初始化

.gitignore

+*.iml
+.gradle
+/local.properties
+/.idea
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

+/build
\ No newline at end of file

app/build.gradle.kts

+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    id("com.google.gms.google-services")
+    id("com.google.firebase.crashlytics")
+}
+
+android {
+    namespace = "com.base.pdfreaderallpdfreader"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.base.pdfreaderallpdfreader"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+
+        signingConfigs {
+            create("release") {
+                //E6:A2:DD:0A:E6:73:22:32:4E:98:08:78:73:29:01:C4:8D:A0:38:DB:D8:B2:DD:B9:AC:55:69:B2:6B:DF:B0:B4
+                storeFile = file("../smartcl.jks")
+                storePassword = "123456"
+                keyAlias = "key0"
+                keyPassword = "123456"
+            }
+
+        }
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            // 设置是否要自动上传
+//            firebaseCrashlytics {
+//                mappingFileUploadEnabled = true
+//            }
+            signingConfig = signingConfigs.getByName("release")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    buildFeatures {
+        viewBinding = true
+        buildConfig = true
+    }
+}
+
+gradle.taskGraph.whenReady {
+    tasks.forEach { task ->
+        if (task.name.contains("uploadCrashlyticsMappingFile")) {
+            task.enabled = false
+        }
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.lifecycle.livedata.ktx)
+    implementation(libs.androidx.lifecycle.viewmodel.ktx)
+    implementation(libs.androidx.navigation.fragment.ktx)
+    implementation(libs.androidx.navigation.ui.ktx)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+
+
+    //第三方UI
+    implementation("io.github.cymchad:BaseRecyclerViewAdapterHelper4:4.1.4")
+    implementation("com.github.angcyo.DslTablayout:TabLayout:3.5.5")
+    implementation("com.github.angcyo.DslTablayout:ViewPager2Delegate:3.5.5")
+    implementation("com.airbnb.android:lottie:6.4.0")
+    implementation("com.github.pokercc:ExpandableRecyclerView:0.9.3")
+
+
+    //mlkit
+    implementation("com.google.android.gms:play-services-mlkit-document-scanner:16.0.0-beta1")
+
+    //Pdf库
+    implementation("com.tom-roush:pdfbox-android:2.0.27.0")
+//    api(project(":pdflibrary"))
+//
+
+    //Word库
+    //PPT库
+    //Excel库
+//    api(project(":library"))
+
+    //广告
+    implementation("com.google.android.gms:play-services-ads:23.1.0")
+    implementation("com.google.ads.mediation:applovin:12.4.3.0")
+    implementation("com.google.ads.mediation:facebook:6.17.0.0")
+    implementation("com.google.ads.mediation:mintegral:16.7.21.0")
+    implementation("com.google.ads.mediation:pangle:5.9.0.4.0")
+
+    //ump
+    implementation("com.google.android.ump:user-messaging-platform:3.0.0")
+
+    //firebase
+    implementation(platform("com.google.firebase:firebase-bom:32.3.1"))
+    implementation("com.google.firebase:firebase-messaging")
+    implementation("com.google.firebase:firebase-analytics-ktx")
+    implementation("com.google.firebase:firebase-crashlytics")
+//    implementation("com.google.firebase:firebase-database-ktx")
+//    implementation("com.google.firebase:firebase-config-ktx")
+
+
+    //facebook
+    implementation("com.facebook.android:facebook-android-sdk:[8,9)")
+
+    //网络请求和解析
+    implementation("com.google.code.gson:gson:2.11.0")
+    // define a BOM and its version
+    implementation(platform("com.squareup.okhttp3:okhttp-bom:4.12.0"))
+    // define any required OkHttp artifacts without version
+    implementation("com.squareup.okhttp3:okhttp")
+    implementation("com.squareup.okhttp3:logging-interceptor")
+
+    //mintegral
+    implementation("com.reyun.solar.engine.oversea:solar-engine-core:1.2.8.3")
+}
\ No newline at end of file

app/google-services.json

+{
+  "project_info": {
+    "project_number": "618927174476",
+    "project_id": "scream-11bf5",
+    "storage_bucket": "scream-11bf5.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:618927174476:android:08858366fed11d3b2455e9",
+        "android_client_info": {
+          "package_name": "com.base.pdfreaderallpdfreader"
+        }
+      },
+      "oauth_client": [],
+      "api_key": [
+        {
+          "current_key": "AIzaSyDlEmOxb1M343Tv-FixB0ieQ3NQO0I3ibQ"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file

app/proguard-rules.pro

+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file

app/src/androidTest/java/com/base/pdfreaderallpdfreader/ExampleInstrumentedTest.kt

+package com.base.pdfreaderallpdfreader
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.base.pdfreaderallpdfreader", appContext.packageName)
+    }
+}
\ No newline at end of file

app/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+    <meta-data
+        android:name="com.google.android.gms.version"
+        android:value="@integer/google_play_services_version" />
+    <meta-data
+        android:name="com.google.mlkit.vision.DEPENDENCIES"
+        android:value="document_ui" />
+
+    <application
+        android:name=".helper.MyApplication"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.PdfReaderAllPdfReader"
+        tools:targetApi="31">
+        <activity
+            android:name=".ui.document.DocumentActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ui.search.SearchActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ui.splash.SplashActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".ui.main.MainActivity"
+            android:exported="false"
+            android:theme="@style/Theme.PdfReaderAllPdfReader.NoActionBar" />
+        <activity
+            android:name=".ui.language.LanguageActivity"
+            android:exported="false"
+            android:screenOrientation="portrait"
+            tools:ignore="DiscouragedApi,LockedOrientationActivity" />
+
+        <meta-data
+            android:name="com.google.android.gms.ads.APPLICATION_ID"
+            android:value="ca-app-pub-3940256099942544~3347511713" />
+    </application>
+
+</manifest>
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/base/BaseActivity.kt

+package com.base.pdfreaderallpdfreader.base
+
+import android.app.Dialog
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.viewbinding.ViewBinding
+import com.base.pdfreaderallpdfreader.bean.ConstObject.appLanguageSp
+import com.base.pdfreaderallpdfreader.bean.ConstObject.changeLanguageSp
+import com.base.pdfreaderallpdfreader.helper.EventHelper
+import com.base.pdfreaderallpdfreader.ui.main.MainActivity
+import com.base.pdfreaderallpdfreader.utils.ActivityLauncher
+import com.base.pdfreaderallpdfreader.utils.ActivityManagerUtils
+import com.base.pdfreaderallpdfreader.utils.LanguageUtils.changeAppLanguage
+import com.base.pdfreaderallpdfreader.utils.LogEx
+
+abstract class BaseActivity<T : ViewBinding> : AppCompatActivity() {
+    private val TAG = "BaseActivity"
+
+    protected abstract val binding: T
+
+    lateinit var launcher: ActivityLauncher
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        launcher = ActivityLauncher(this)
+        setContentView(binding.root)
+
+        EventHelper.event("page_${javaClass.simpleName}")
+        initView()
+        initListener()
+    }
+
+    protected abstract fun initView()
+
+    protected open fun initListener() {}
+
+
+    fun finishToMain() {
+        if (this !is MainActivity && !ActivityManagerUtils.getInstance().isActivityInStack(MainActivity::class.java)) {
+            startActivity(Intent(this, MainActivity::class.java))
+        }
+        finish()
+    }
+
+    var dialog: Dialog? = null
+    override fun onDestroy() {
+        super.onDestroy()
+        ActivityManagerUtils.getInstance().removeActivity(this)
+        if (dialog != null) {
+            dialog?.dismiss()
+            dialog = null
+        }
+    }
+
+
+    override fun onResume() {
+        super.onResume()
+    }
+
+    fun updateAppLanguage(
+        activityLanguage: String,
+        activityTag: String? = null,
+        activityChangeCallback: ((language: String) -> Unit)? = null
+    ): Boolean {
+        LogEx.logDebug(
+            TAG,
+            "activityTag=$activityTag " +
+                    "appLanguageSp=$appLanguageSp " +
+                    "changeLanguageSp=$changeLanguageSp " +
+                    "activityLanguage=$activityLanguage"
+        )
+        var isRecreate = false
+
+        if (appLanguageSp != changeLanguageSp || activityLanguage != changeLanguageSp) {
+
+            changeAppLanguage(this, changeLanguageSp)
+            // Restart the app
+            appLanguageSp = changeLanguageSp
+            activityChangeCallback?.invoke(changeLanguageSp)
+            LogEx.logDebug(TAG, "activityTag=$activityTag recreate")
+            isRecreate = true
+
+            //https://stackoverflow.com/questions/63209993/getting-lifecycle-exception-while-recreating-the-activity
+            //MIUI recreate
+            this@BaseActivity.recreate()
+        }
+        return isRecreate
+    }
+
+    fun checkNeedRecreate(activityLanguage: String): Boolean {
+        return appLanguageSp != changeLanguageSp || activityLanguage != changeLanguageSp
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/bean/ConstObject.kt

+package com.base.pdfreaderallpdfreader.bean
+
+import com.base.pdfreaderallpdfreader.utils.AppPreferences
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Locale
+
+
+object ConstObject {
+
+
+    const val MIME_TYPE_IMAGE = "image/*"
+    const val MIME_TYPE_VIDEO = "video/*"
+    const val MIME_TYPE_AUDIO = "audio/*"
+    const val MIME_TYPE_PDF = "application/pdf"
+    const val MIME_TYPE_DOC = "application/msword"
+    const val MIME_TYPE_DOCX = "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+    const val MIME_TYPE_XLS = "application/vnd.ms-excel"
+    const val MIME_TYPE_XLSX = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+    const val MIME_TYPE_PPT = "application/vnd.ms-powerpoint"
+    const val MIME_TYPE_PPTX = "application/vnd.openxmlformats-officedocument.presentationml.presentation"
+    const val MIME_TYPE_APK = "application/vnd.android.package-archive"
+    const val MIME_TYPE_ZIP = "application/zip"
+
+
+    const val DO_SPLIT_PDF = "do_split_pdf"
+    const val DO_SAVE_PDF = "do_save_pdf"
+    const val DO_MERGE_PDF = "do_merge_pdf"
+    const val DO_LOCK_PDF = "do_lock_pdf"
+    const val DO_UNLOCK_PDF = "do_unlock_pdf"
+
+    const val DOCUMENT_DATA_TYPE = "document"
+    const val RECENT_DATA_TYPE = "recent"
+    const val BOOKMARK_DATA_TYPE = "bookmark"
+
+    const val UI_MODE_NORMAL = "ui_mode_normal"
+    const val UI_MODE_SELECT = "ui_mode_select"
+    const val UI_MODE_SEARCH = "ui_mode_search"
+
+    const val UI_SORT_LAST_MODIFIED = "ui_sort_last_modified"
+    const val UI_SORT_FINAL_MODIFIED = "ui_sort_final_modified"
+    const val UI_SORT_NAME_A_Z = "ui_sort_name_a_z"
+    const val UI_SORT_NAME_Z_A = "ui_sort_name_z_a"
+
+    const val NOTIFICATION_ACTION_LOG = "notification_action_log"
+    const val NOTIFICATION_ACTION_DOCUMENT = "notification_action_document"
+    const val NOTIFICATION_ACTION_BOOKMARK = "notification_action_bookmark"
+    const val NOTIFICATION_ACTION_NEW_IMAGE_PDF = "notification_action_new_image_pdf"
+
+    const val NOTIFICATION_ACTION_READ_PDF = "notification_action_read_pdf"
+    const val NOTIFICATION_ACTION_READ_DOCUMENTS = "notification_action_read_documents"
+    const val NOTIFICATION_ACTION_UN_VIEW_FILES = "notification_action_un_view_files"
+    const val NOTIFICATION_ACTION_IMPORTANT_DOCUMENT = "notification_action_important_document"
+    const val NOTIFICATION_ACTION_APP_PROCESS = "notification_action_app_process"
+    const val NOTIFICATION_ACTION_CLEAN_JUNK = "notification_action_clean_junk"
+    const val NOTIFICATION_ACTION_WEATHER = "notification_action_weather"
+
+    const val SHORTCUT_SCAN_PDF = "shortcut_scan_pdf"
+    const val SHORTCUT_SPLIT_PDF = "shortcut_split_pdf"
+    const val SHORTCUT_MERGE_PDF = "shortcut_merge_pdf"
+
+    const val FUNCTION_SCAM_JUNK = "function_scam_junk"
+    const val FUNCTION_APP_PROCESS = "function_app_process"
+
+    var ifAgreePrivacy = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("ifAgreePrivacy", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("ifAgreePrivacy", value, true)
+        }
+    var haveSaveDemo = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("haveSaveDemo", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("haveSaveDemo", value, true)
+        }
+
+    var haveGuideGesture = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("haveGuideGesture", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("haveGuideGesture", value, true)
+        }
+    var appLanguageSp = Locale.ENGLISH.language
+        get() {
+            return AppPreferences.getInstance().getString("appLanguageSp", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("appLanguageSp", value, true)
+        }
+    var changeLanguageSp = appLanguageSp
+        get() {
+            return AppPreferences.getInstance().getString("changeLanguageSp", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("changeLanguageSp", value, true)
+        }
+
+    var haveSelectLanguage = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("selectFollowLanguage", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("selectFollowLanguage", value, true)
+        }
+    var selectFollowLanguage = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("selectFollowLanguage", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("selectFollowLanguage", value, true)
+        }
+
+    //是否第一次启动
+    var isFirstStart = true
+        get() {
+            return AppPreferences.getInstance().getBoolean("isFirstStart", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("isFirstStart", value, true)
+        }
+
+    //主页启动次数
+    var mainStartTimes = 0
+        get() {
+            return AppPreferences.getInstance().getInt("mainStartTimes", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("mainStartTimes", value, true)
+        }
+
+    var todayShowNotificationDialog = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("todayShowNotificationDialog_${currentDate()}", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("todayShowNotificationDialog_${currentDate()}", value, true)
+        }
+    var setDefault = false
+        get() {
+            return AppPreferences.getInstance().getBoolean("setDefault", field)
+        }
+        set(value) {
+            field = value
+            AppPreferences.getInstance().put("setDefault", value, true)
+        }
+
+    private fun currentDate(): String {
+        val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
+        val currentDate = Calendar.getInstance().time
+        return dateFormat.format(currentDate)
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/bean/DocumentBean.kt

+package com.base.pdfreaderallpdfreader.bean
+
+import android.net.Uri
+
+data class DocumentBean(
+    var path: String = "",
+    var uri: Uri = Uri.EMPTY,
+    var type: String = "",
+    var isBookmarked: Boolean = false,
+) {
+    var uiType: Int = 0//0首页模式 1合并选择模式 2拆分模式 3解锁加锁模式 4搜索模式
+    var isSelect: Boolean = false
+    var state: Int = -1//0正常状态 1 锁定
+    var password: String = ""
+    var lastViewTime: Long = 0
+    var isAd: Boolean = false
+
+    companion object {
+        const val TYPE_PDF = "type_pdf"
+        const val TYPE_WORD = "type_word"
+        const val TYPE_EXCEL = "type_excel"
+        const val TYPE_PPT = "type_ppt"
+    }
+}

app/src/main/java/com/base/pdfreaderallpdfreader/bean/LanguageBean.kt

+package com.base.pdfreaderallpdfreader.bean
+
+data class LanguageBean(
+    val key: String,
+    val language: String,
+    val country: String,
+) {
+    var isSelect: Boolean = false
+    var isFollowSystem: Boolean = false
+
+    companion object {
+        const val English = "English"
+        const val 简体中文 = "简体中文"
+        const val português = "português"
+        const val Español = "Español "
+        const val Français = "Français"
+        const val Deutsch = "Deutsch"
+        const val ไทย = "ไทย"
+        const val Bahasa_Indonesia = "Bahasa Indonesia"
+        const val Melayu = "Melayu"
+        const val Tiếng_Việt = "Tiếng Việt"
+        const val 日本語 = "日本語"
+        const val Italiano = "Italiano"
+        const val 한국인 = "한국인"
+        const val Nederlands = "Nederlands"
+        const val 繁體中文 = "繁體中文"
+        const val Türk = "Türk"
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/bean/MediaBean.kt

+package com.base.pdfreaderallpdfreader.bean
+
+import android.net.Uri
+
+data class MediaBean(
+    val path: String = "",
+    val uri: Uri = Uri.EMPTY,
+    val mimeType: String = ""
+)

app/src/main/java/com/base/pdfreaderallpdfreader/helper/AESHelper.kt

+package com.base.pdfreaderallpdfreader.helper
+
+import android.util.Base64
+import java.security.SecureRandom
+import javax.crypto.Cipher
+import javax.crypto.spec.GCMParameterSpec
+import javax.crypto.spec.SecretKeySpec
+
+object AESHelper {
+
+    private const val aesKey = "7vwdrlk6bp8rihe4"
+
+    private val cipher by lazy {
+        Cipher.getInstance("AES/GCM/NoPadding")
+    }
+
+    fun encrypt(content: String): String {
+        try {
+            val iv = ByteArray(12).apply {
+                SecureRandom().nextBytes(this)
+            }
+            val contentBytes = content.toByteArray(Charsets.UTF_8)
+            val params = GCMParameterSpec(128, iv)
+            cipher.init(
+                Cipher.ENCRYPT_MODE,
+                secretKey, params
+            )
+            val encryptData = cipher.doFinal(contentBytes)
+            if (encryptData.size != contentBytes.size + 16) {
+                throw IllegalStateException("Encryption failed")
+            }
+            val message = ByteArray(12 + contentBytes.size + 16)
+            System.arraycopy(iv, 0, message, 0, 12)
+            System.arraycopy(encryptData, 0, message, 12, encryptData.size)
+            return String(Base64.encode(message, Base64.NO_WRAP), Charsets.UTF_8)
+        } catch (_: Exception) {
+        }
+        return content
+    }
+
+    @Synchronized
+    fun decrypt(content: String): String {
+        try {
+            val con = content.replace(" ".toRegex(), "+")
+            val contentByte = Base64.decode(con, Base64.NO_WRAP)
+            require(contentByte.size >= 12 + 16)
+            val params = GCMParameterSpec(128, contentByte, 0, 12)
+            cipher.init(
+                Cipher.DECRYPT_MODE,
+                secretKey, params
+            )
+            val decryptData = cipher.doFinal(contentByte, 12, contentByte.size - 12)
+            return String(decryptData, Charsets.UTF_8)
+        } catch (_: Exception) {
+        }
+        return content
+    }
+
+    private val secretKey by lazy {
+        SecretKeySpec(aesKey.toByteArray(), "AES")
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/helper/ConfigHelper.kt

+package com.base.pdfreaderallpdfreader.helper
+
+import com.base.pdfreaderallpdfreader.ui.splash.SplashActivity
+
+
+object ConfigHelper {
+
+    const val privacyPolicy: String = "https://sites.google.com/view/pdf-reader-scan/pdf-reader"
+    const val termService: String = "https://sites.google.com/view/term-of-service-s/term-of-service"
+
+    // 正式包名
+    const val packageName = "com.lol.pdfscanner.libstdc.chovey"
+
+    // 域名
+    const val eventUrl = "https://rp.gamexzonerk.xyz"
+    const val apiUrl = "https://api.gamexzonerk.xyz"
+
+    //admob test id
+    const val openAdmobIdTest = "ca-app-pub-3940256099942544/9257395921"
+    const val bannerAdmobIdTest = "ca-app-pub-3940256099942544/9214589741"
+    const val interAdmobIdTest = "ca-app-pub-3940256099942544/1033173712"
+    const val nativeAdmobIdTest = "ca-app-pub-3940256099942544/2247696110"
+
+    // admob广告id
+    const val interAdmobId = "ca-app-pub-3940256099942544/1033173111"
+    const val nativeAdmobId = "ca-app-pub-3940256099942544/2247696111"
+    const val openAdmobId = "/6499/example/app-open"
+    const val bannerAdmobId = "ca-app-pub-3940256099942544/9214581111"
+
+
+    val noLoadingActivities = listOf(
+        "full", // 过滤全屏广告
+        "adActivity",
+        "AdActivity",
+        "AppLovinFullscreenActivity",
+        SplashActivity::class.java.simpleName,
+        "GmsDocumentScanningDelegateActivity",
+        // 返回前台时不跳转启动页的 activity
+    )
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/helper/EventHelper.kt

+package com.base.pdfreaderallpdfreader.helper
+
+import android.os.Build
+import com.base.pdfreaderallpdfreader.bean.ConstObject.ifAgreePrivacy
+import com.base.pdfreaderallpdfreader.helper.ReportUtils.doPost
+import com.base.pdfreaderallpdfreader.utils.AppPreferences
+import com.base.pdfreaderallpdfreader.utils.LogEx
+import org.json.JSONException
+import org.json.JSONObject
+
+object EventHelper {
+    private val TAG = "EventUtils"
+    fun event(
+        key: String,
+        value: String? = null,
+        ext: JSONObject? = null,
+        isSingleEvent: Boolean = false
+    ) {
+
+        if (!ifAgreePrivacy) {
+            return
+        }
+
+        if (isSingleEvent) {
+            val stringSet = AppPreferences.getInstance().getStringSet("singleEvent", setOf())
+            if (stringSet.contains(key)) {
+                return
+            }
+        }
+
+        Thread {
+            var paramJson: String? = ""
+            try {
+                val pkg = ConfigHelper.packageName
+                val s = JSONObject()
+                    .put("action", key)
+                    .put("value", value)
+                    .put("ext", ext)
+
+                val s2 = getBp()
+
+                val data = JSONObject()
+                    .put("data", s)
+                    .put("bp", s2)
+                    .toString()
+                LogEx.logDebug(TAG, "uuid=${AppPreferences.getInstance().getString("uuid", "")}")
+                LogEx.logDebug(TAG, "gid=${AppPreferences.getInstance().getString("gid", "")}")
+                paramJson = AESHelper.encrypt(data)
+            } catch (e: JSONException) {
+                paramJson = ""
+            }
+            LogEx.logDebug(TAG, "url=$url")
+            doPost(
+                url,
+                HashMap(),
+                paramJson
+            )
+        }.start()
+    }
+
+    private val url by lazy {
+        val pkg = ConfigHelper.packageName
+        val url = StringBuilder(
+            "${ConfigHelper.eventUrl}/${
+                pkg.filter { it.isLowerCase() }.substring(4, 9)
+            }sp"
+        )
+        url.append("?pkg=$pkg")
+        url.toString()
+    }
+
+    fun getBp(): JSONObject {
+        val pkg = ConfigHelper.packageName
+
+        val s2 = JSONObject()
+            .put("${pkg}_3", AppPreferences.getInstance().getString("Equipment", ""))
+            .put("${pkg}_4", AppPreferences.getInstance().getString("Manufacturer", ""))
+            .put("${pkg}_5", Build.VERSION.SDK_INT)
+            .put("${pkg}_9", AppPreferences.getInstance().getString("uuid", ""))
+            .put("${pkg}_10", AppPreferences.getInstance().getString("gid", ""))
+            .put("${pkg}_13", "android")
+            .put("${pkg}_15", "google")
+//                    .put("${pkg}_14", BuildConfig.VERSION_CODE)
+//                    .put("${pkg}_8", BuildConfig.VERSION_NAME)
+//                    .put("${pkg}_24", BuildConfig.BUILD_TYPE)
+
+        return s2
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/helper/MyApplication.kt

+package com.base.pdfreaderallpdfreader.helper
+
+import android.app.Activity
+import android.app.Application
+import android.content.Intent
+import android.os.Bundle
+import android.text.TextUtils
+import com.base.pdfreaderallpdfreader.ui.splash.SplashActivity
+import com.base.pdfreaderallpdfreader.utils.ActivityManagerUtils
+import com.base.pdfreaderallpdfreader.utils.AppPreferences
+import com.base.pdfreaderallpdfreader.utils.LogEx
+import com.facebook.FacebookSdk
+import com.tom_roush.pdfbox.android.PDFBoxResourceLoader
+import java.util.Locale
+import java.util.UUID
+
+
+class MyApplication : Application() {
+    private val TAG = "MyApplication"
+    var uuid = ""
+
+    companion object {
+        lateinit var context: MyApplication
+
+
+        var splashLanguage: String = Locale.getDefault().language
+        var mainLanguage: String = Locale.getDefault().language
+        var setLanguage: String = Locale.getDefault().language
+        var feedbackLanguage: String = Locale.getDefault().language
+        var pptLanguage: String = Locale.getDefault().language
+        var pdfLanguage: String = Locale.getDefault().language
+        var pdfLoadingLanguage: String = Locale.getDefault().language
+        var pdfMergeLanguage: String = Locale.getDefault().language
+        var pdfSelectLanguage: String = Locale.getDefault().language
+        var pdfSplitLanguage: String = Locale.getDefault().language
+        var wordLanguage: String = Locale.getDefault().language
+
+        @JvmField
+        var PAUSED_VALUE = 0
+    }
+
+
+    override fun onCreate() {
+        super.onCreate()
+        context = this
+        initUUid()
+        initApp()
+        PDFBoxResourceLoader.init(applicationContext)
+//        initWeather()
+    }
+
+//    private fun initWeather() {
+//        requestWeatherData()
+//    }
+
+    private fun initUUid() {
+        uuid = AppPreferences.getInstance().getString("uuid", "")
+        if (TextUtils.isEmpty(uuid)) {
+            uuid = UUID.randomUUID().toString() + System.currentTimeMillis()
+            AppPreferences.getInstance().put("uuid", uuid)
+            LogEx.logDebug(TAG, "uuid=$uuid")
+        }
+    }
+
+    fun initApp() {
+//        SolarEngineManager.getInstance().preInit(context, "81a11caa4076cd7c")
+//        FacebookSdk.sdkInitialize(applicationContext)
+//        var topicNumber = System.currentTimeMillis().toFormatMinute()
+//        LogEx.logDebug(TAG, "topicNumber=$topicNumber")
+//        if (topic_number.isNotEmpty()) {
+//            topicNumber = topic_number
+//        } else {
+//            topic_number = topicNumber
+//        }
+//        val topic = ConfigHelper.packageName + "_push_$topicNumber"
+        val topic = ConfigHelper.packageName + "_push"
+        LogEx.logDebug(TAG, "topic=${topic}")
+//        FCMManager.initFirebase(this)
+//        FCMManager.subscribeToTopic(topic)
+//        InstallHelps.init()
+        initLifeListener()
+//        ScreenStatusReceiver.setupScreenStatusListener(this)
+    }
+
+//    fun initSolarEngine(gdprDeny: Boolean = false) {
+//
+//        val configBuilder = SolarEngineConfig.Builder()
+//
+//        if (BuildConfig.DEBUG) {
+//            configBuilder.logEnabled() //开启本地调试日志
+//        }
+//        if (gdprDeny) {
+//            configBuilder.isGDPRArea = true
+//            configBuilder.adPersonalizationEnabled = true
+//            configBuilder.adUserDataEnabled = true
+//        }
+//        configBuilder.isCoppaEnabled = true
+//        configBuilder.setKidsAppEnabled(true)
+//        configBuilder.fbAppID = ""
+//
+//        val config = configBuilder.build()
+//
+//        SolarEngineManager.getInstance().initialize(context, "81a11caa4076cd7c", config,
+//            OnInitializationCallback { code ->
+//                if (code == 0) {
+//                    //初始化成功
+//                    config.setOnAttributionListener(object : OnAttributionListener {
+//                        override fun onAttributionSuccess(attribution: JSONObject) {
+//                            //获取归因结果成功时执行的动作
+//                            LogEx.logDebug(TAG, "attribution=$attribution")
+//                            EventHelper.event("install_referrer", attribution.toString())
+//                        }
+//
+//                        override fun onAttributionFail(errorCode: Int) {
+//                            //获取归因结果失败时执行的动作
+//                            EventHelper.event("SolarEngineManager onAttributionFail errorCode=$errorCode")
+//                        }
+//                    })
+//                } else {
+//                    //初始化失败，具体失败原因参考下方code码释义
+//                    EventHelper.event("SolarEngineManager init error code=$code")
+//                }
+//            })
+//    }
+
+
+    private var lastTimePause = 0L
+    private var lastTimeResume = 0L
+    private fun isHotLaunch(): Boolean {
+        if ((lastTimeResume - lastTimePause) > 5000) {
+            return true
+        }
+        return false
+    }
+
+    private fun initLifeListener() {
+        registerActivityLifecycleCallbacks(object : ActivityLifecycleCallbacks {
+            private var count = 0
+            override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+                ActivityManagerUtils.getInstance().addActivity(activity)
+            }
+
+            override fun onActivityStarted(activity: Activity) {
+                count++
+                lastTimeResume = System.currentTimeMillis()
+                if (count == 1 && isHotLaunch()) {
+
+                    val topActivity: Activity? = ActivityManagerUtils.getInstance().topActivity
+
+                    val flag = if (topActivity == null) {
+                        true
+                    } else {
+                        ConfigHelper.noLoadingActivities.all { !topActivity.localClassName.contains(it, true) }
+                    }
+
+                    LogEx.logDebug(TAG, "flag=$flag" + "   activity:" + activity.localClassName)
+
+                    if (flag) {
+                        topActivity?.startActivity(
+                            Intent(
+                                topActivity, SplashActivity::class.java
+                            ).apply {
+                                putExtra("isHotLaunch", true)
+                                putExtra("type", -1)
+                            })
+                    }
+                }
+                lastTimeResume = 0
+            }
+
+            override fun onActivityResumed(activity: Activity) {
+//                LogEx.logDebug(TAG, "onActivityResumed")
+                PAUSED_VALUE = 1
+            }
+
+
+            override fun onActivityPaused(activity: Activity) {
+//                LogEx.logDebug(TAG, "onActivityPaused")
+                PAUSED_VALUE = 2
+                lastTimePause = System.currentTimeMillis()
+            }
+
+            override fun onActivityStopped(activity: Activity) {
+                count--
+            }
+
+            override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {}
+
+            override fun onActivityDestroyed(activity: Activity) {
+                ActivityManagerUtils.getInstance().removeActivity(activity)
+            }
+        })
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/helper/ReportUtils.java

+package com.base.pdfreaderallpdfreader.helper;
+
+import android.text.TextUtils;
+
+import com.base.pdfreaderallpdfreader.utils.LogEx;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Map;
+
+public class ReportUtils {
+    private static String TAG = "ReportUtils";
+
+    public static String doPost(String urlPath, Map<String, String> paramsMap, String json) {
+        try {
+            HttpURLConnection conn = (HttpURLConnection) new URL(urlPath).openConnection();
+            conn.setRequestMethod("POST");
+            conn.setDoOutput(true);
+            conn.setConnectTimeout(600000);
+            if (!TextUtils.isEmpty(json)) {
+                conn.setRequestProperty("Content-Type", "application/json");
+                conn.setRequestProperty("Content-Length", Integer.toString(json.getBytes().length));
+
+                conn.getOutputStream().write(json.getBytes());
+            }
+
+            StringBuilder result = new StringBuilder();
+            for (Map.Entry<String, String> entry : paramsMap.entrySet()) {
+                result.append("&").append(entry.getKey()).append("=").append(entry.getValue());
+            }
+            if (result.length() > 0) {
+                conn.getOutputStream().write(result.substring(1).getBytes());
+            } else {
+                // conn.getOutputStream().write(result.substring(0).getBytes());
+            }
+
+            if (conn.getResponseCode() == 200) {
+                String s = new BufferedReader(new InputStreamReader(conn.getInputStream())).readLine();
+                if (!TextUtils.isEmpty(s)) {
+                } else {
+                    s = "";
+                }
+                LogEx.INSTANCE.logDebug(TAG, "code=200", false);
+                return s;
+            } else {
+                LogEx.INSTANCE.logDebug(TAG, "code!=200", false);
+            }
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return "{ \"success\": false,\n   \"errorMsg\": \"后台服务器开小差了!\",\n     \"result\":{}}";
+    }
+}

app/src/main/java/com/base/pdfreaderallpdfreader/ui/document/DocumentActivity.kt

+package com.base.pdfreaderallpdfreader.ui.document
+
+import android.graphics.Color
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.style.ForegroundColorSpan
+import androidx.activity.addCallback
+import androidx.core.view.updatePadding
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.viewpager2.adapter.FragmentStateAdapter
+import androidx.viewpager2.widget.ViewPager2
+import com.angcyo.tablayout.delegate2.ViewPager2Delegate
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.base.BaseActivity
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.databinding.ActivityDocumentBinding
+import com.base.pdfreaderallpdfreader.utils.BarUtils
+
+class DocumentActivity : BaseActivity<ActivityDocumentBinding>() {
+
+    private lateinit var documentViewModel: DocumentViewModel
+
+    override val binding: ActivityDocumentBinding by lazy {
+        ActivityDocumentBinding.inflate(layoutInflater)
+    }
+
+    private val allPage: DocumentFragment by lazy {
+        DocumentFragment("All")
+    }
+    private val pdfPage: DocumentFragment by lazy {
+        DocumentFragment(DocumentBean.TYPE_PDF)
+    }
+    private val wordPage: DocumentFragment by lazy {
+        DocumentFragment(DocumentBean.TYPE_WORD)
+    }
+
+    private val excelPage: DocumentFragment by lazy {
+        DocumentFragment(DocumentBean.TYPE_EXCEL)
+    }
+
+    private val pptPage: DocumentFragment by lazy {
+        DocumentFragment(DocumentBean.TYPE_PPT)
+    }
+
+    private val fragments by lazy {
+        mutableListOf(allPage, pdfPage, wordPage, excelPage, pptPage)
+    }
+
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.WHITE)
+        binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
+
+        documentViewModel = ViewModelProvider(this)[DocumentViewModel::class.java]
+
+
+        val spannableString = SpannableString(this.getString(R.string.pdf_reader))
+        spannableString.setSpan(ForegroundColorSpan(Color.parseColor("#E20001")), 0, 3, Spannable.SPAN_INCLUSIVE_INCLUSIVE)
+        binding.tvTittle.text = spannableString
+
+        initViewPager2()
+        initTabLayout()
+    }
+
+    private var pageAdapter: FragmentStateAdapter? = null
+
+    private fun initViewPager2() {
+        pageAdapter = object : FragmentStateAdapter(this) {
+            override fun getItemCount(): Int {
+                return fragments.size
+            }
+
+            override fun createFragment(position: Int): Fragment {
+                return fragments[position]
+            }
+        }
+
+        binding.viewPager2.run {
+            isUserInputEnabled = true
+            //https://www.jianshu.com/p/f69bd30cf5b0
+            //FragmentStateAdapter 这里必须传人fragment
+            adapter = pageAdapter
+        }
+        binding.viewPager2.registerOnPageChangeCallback(object :
+            ViewPager2.OnPageChangeCallback() {
+
+            override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {
+                super.onPageScrolled(position, positionOffset, positionOffsetPixels)
+
+            }
+
+            override fun onPageSelected(position: Int) {
+            }
+        })
+    }
+
+    private fun initTabLayout() {
+        val allColor = Color.parseColor("#2287FE")
+        val pdfColor = Color.parseColor("#F40000")
+        val wordColor = Color.parseColor("#2287FE")
+        val excelColor = Color.parseColor("#1ABE5D")
+        val pptColor = Color.parseColor("#FF9E0E")
+        val deselectColor = Color.parseColor("#8F8F8F")
+
+        binding.tabLayoutDocument.apply {
+            configTabLayoutConfig {
+                tabDeselectColor = deselectColor
+                onSelectIndexChange = { fromIndex, selectIndexList, reselect, fromUser ->
+                    val toIndex = selectIndexList.first()
+                    binding.viewPager2.currentItem = toIndex
+                    when (toIndex) {
+                        0 -> {
+                            tabSelectColor = allColor
+                            tabIndicator.indicatorColor = allColor
+                        }
+
+                        1 -> {
+                            tabSelectColor = pdfColor
+                            tabIndicator.indicatorColor = pdfColor
+                        }
+
+                        2 -> {
+                            tabSelectColor = wordColor
+                            tabIndicator.indicatorColor = wordColor
+                        }
+
+                        3 -> {
+                            tabSelectColor = excelColor
+                            tabIndicator.indicatorColor = excelColor
+                        }
+
+                        4 -> {
+                            tabSelectColor = pptColor
+                            tabIndicator.indicatorColor = pptColor
+                        }
+                    }
+                    dslSelector.updateStyle()
+                }
+            }
+        }
+        ViewPager2Delegate.install(binding.viewPager2, binding.tabLayoutDocument)
+    }
+
+
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/document/DocumentFragment.kt

+package com.base.pdfreaderallpdfreader.ui.document
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.lifecycle.lifecycleScope
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_EXCEL
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PDF
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PPT
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_WORD
+import com.base.pdfreaderallpdfreader.databinding.FragmentDocumentBinding
+import com.base.pdfreaderallpdfreader.ui.main.DocumentAdapter
+import com.base.pdfreaderallpdfreader.ui.main.getAllDocument
+import com.base.pdfreaderallpdfreader.ui.main.getExcelDocument
+import com.base.pdfreaderallpdfreader.ui.main.getPdfDocument
+import com.base.pdfreaderallpdfreader.ui.main.getPptDocument
+import com.base.pdfreaderallpdfreader.ui.main.getWordDocument
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+
+class DocumentFragment() : Fragment() {
+
+    private var type = TYPE_PDF
+
+    private lateinit var binding: FragmentDocumentBinding
+    private var adapter: DocumentAdapter? = null
+
+    constructor(type: String) : this() {
+        this.type = type
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentDocumentBinding.inflate(layoutInflater)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        adapter = DocumentAdapter()
+        binding.rv.adapter = adapter
+    }
+
+    override fun onResume() {
+        super.onResume()
+        if (type == TYPE_PDF) {
+            if (pdfNeedRefresh) {
+                pdfNeedRefresh = false
+                initData()
+            }
+        } else {
+            initData()
+        }
+    }
+
+    private fun initData() {
+        binding.swipeRefreshLayout.isRefreshing = true
+
+        lifecycleScope.launch(Dispatchers.IO) {
+            val list: List<DocumentBean>
+            when (type) {
+                TYPE_PDF -> {
+                    list = getPdfDocument(requireContext())
+                }
+
+                TYPE_WORD -> {
+                    list = getWordDocument(requireContext())
+                }
+
+                TYPE_EXCEL -> {
+                    list = getExcelDocument(requireContext())
+                }
+
+                TYPE_PPT -> {
+                    list = getPptDocument(requireContext())
+                }
+
+                else -> {
+                    list = getAllDocument(requireContext())
+                }
+            }
+            launch(Dispatchers.Main) {
+                if (list.isEmpty()) {
+                    binding.llEmpty.visibility = View.VISIBLE
+                    adapter?.submitList(listOf())
+                } else {
+                    binding.llEmpty.visibility = View.GONE
+                    adapter?.submitList(list)
+                }
+                binding.swipeRefreshLayout.isRefreshing = false
+            }
+        }
+    }
+
+    companion object {
+        var pdfNeedRefresh: Boolean = true
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/document/DocumentViewModel.kt

+package com.base.pdfreaderallpdfreader.ui.document
+
+import androidx.lifecycle.ViewModel
+
+class DocumentViewModel : ViewModel() {
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/language/LanguageActivity.kt

+package com.base.pdfreaderallpdfreader.ui.language
+
+import android.graphics.Color
+import androidx.activity.addCallback
+import androidx.core.view.updatePadding
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.base.BaseActivity
+import com.base.pdfreaderallpdfreader.bean.ConstObject
+import com.base.pdfreaderallpdfreader.bean.ConstObject.appLanguageSp
+import com.base.pdfreaderallpdfreader.bean.ConstObject.changeLanguageSp
+import com.base.pdfreaderallpdfreader.bean.ConstObject.haveSelectLanguage
+import com.base.pdfreaderallpdfreader.bean.LanguageBean
+import com.base.pdfreaderallpdfreader.databinding.ActivityLanguageBinding
+import com.base.pdfreaderallpdfreader.utils.BarUtils
+import java.util.Locale
+
+class LanguageActivity : BaseActivity<ActivityLanguageBinding>() {
+
+    override val binding: ActivityLanguageBinding by lazy {
+        ActivityLanguageBinding.inflate(layoutInflater)
+    }
+    private lateinit var adapter: LanguageAdapter
+    private var from: String = ""
+
+
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.WHITE)
+        binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
+
+        from = intent.extras?.getString("from", "") ?: ""
+        adapter = LanguageAdapter()
+        binding.rv.adapter = adapter
+
+//        AdmobNativeUtils.showNativeAd(this, binding.flAd)
+        initData()
+    }
+
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback {
+            if (from == "Set") {
+                finish()
+            } else {
+//                startActivity(Intent(this@LanguageActivity, PermissionActivity::class.java))
+                finish()
+            }
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+        binding.ivRight.setOnClickListener {
+            val item = adapter.items.find { it.isSelect }
+            val selectLanguage = item?.language ?: Locale.ENGLISH.language
+            if (changeLanguageSp != selectLanguage) {
+                changeLanguageSp = selectLanguage
+            }
+            ConstObject.selectFollowLanguage = item?.isFollowSystem == true
+
+            onBackPressedDispatcher.onBackPressed()
+        }
+    }
+
+    private fun initData() {
+        val list = listOf(
+            LanguageBean(
+                this.getString(R.string.follow_system),
+                Locale.getDefault().language,
+                Locale.getDefault().country
+            ).apply { isFollowSystem = true },
+
+            LanguageBean(LanguageBean.English, Locale.ENGLISH.language, Locale.ENGLISH.country),
+            LanguageBean(LanguageBean.简体中文, Locale.SIMPLIFIED_CHINESE.language, Locale.SIMPLIFIED_CHINESE.country),
+            LanguageBean(LanguageBean.português, Locale("pt", "BR").language, Locale("pt", "BR").country),
+            LanguageBean(LanguageBean.Español, Locale("es").language, Locale("es").country),
+            LanguageBean(LanguageBean.Français, Locale.FRENCH.language, Locale.FRENCH.country),
+            LanguageBean(LanguageBean.Deutsch, Locale.GERMAN.language, Locale.GERMAN.country),
+            LanguageBean(LanguageBean.ไทย, Locale("th", "TH").language, Locale("th", "TH").country),
+            LanguageBean(LanguageBean.Bahasa_Indonesia, Locale("in", "ID").language, Locale("in", "ID").country),
+            LanguageBean(LanguageBean.Melayu, Locale("ms", "MY").language, Locale("ms", "MY").country),
+            LanguageBean(LanguageBean.Tiếng_Việt, Locale("vi", "VN").language, Locale("vi", "VN").country),
+            LanguageBean(LanguageBean.日本語, Locale.JAPAN.language, Locale.JAPAN.country),
+            LanguageBean(LanguageBean.Italiano, Locale.ITALY.language, Locale.ITALY.country),
+            LanguageBean(LanguageBean.한국인, Locale.KOREAN.language, Locale.KOREAN.country),
+            LanguageBean(LanguageBean.Nederlands, Locale("nl", "NL").language, Locale("nl", "NL").country),
+            LanguageBean(LanguageBean.繁體中文, Locale.TRADITIONAL_CHINESE.language, Locale.TRADITIONAL_CHINESE.country),
+            LanguageBean(LanguageBean.Türk, Locale("tr", "TR").language, Locale("tr", "TR").country),
+
+            )
+        if (ConstObject.selectFollowLanguage || !ConstObject.haveSelectLanguage) {
+            list.first().isSelect = true
+        } else {
+            list.findLast { it.language == appLanguageSp }?.isSelect = true
+        }
+        adapter.submitList(list)
+
+        haveSelectLanguage = true
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/language/LanguageAdapter.kt

+package com.base.pdfreaderallpdfreader.ui.language
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.bean.LanguageBean
+import com.base.pdfreaderallpdfreader.databinding.ItemLanguageSetBinding
+import com.base.pdfreaderallpdfreader.utils.XmlEx.inflate
+import com.chad.library.adapter4.BaseQuickAdapter
+
+class LanguageAdapter : BaseQuickAdapter<LanguageBean, LanguageAdapter.LanguageViewHolder>() {
+
+    inner class LanguageViewHolder(view: View) : ViewHolder(view)
+
+    @SuppressLint("NotifyDataSetChanged")
+    override fun onBindViewHolder(holder: LanguageViewHolder, position: Int, item: LanguageBean?) {
+        item ?: return
+        val binding = ItemLanguageSetBinding.bind(holder.itemView)
+        binding.ivSelector.isSelected = item.isSelect
+        binding.tvLanguage.text = item.key
+        binding.root.setOnClickListener {
+            items.find { it.isSelect }?.isSelect = false
+            item.isSelect = true
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun onCreateViewHolder(context: Context, parent: ViewGroup, viewType: Int): LanguageViewHolder {
+        return LanguageViewHolder(R.layout.item_language_set.inflate(parent))
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/DocumentAdapter.kt

+package com.base.pdfreaderallpdfreader.ui.main
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_EXCEL
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PDF
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PPT
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_WORD
+import com.base.pdfreaderallpdfreader.databinding.ItemDocumentBinding
+import com.base.pdfreaderallpdfreader.utils.KotlinExt.toFormatSize
+import com.base.pdfreaderallpdfreader.utils.KotlinExt.toFormatTime5
+import com.base.pdfreaderallpdfreader.utils.LogEx
+import com.base.pdfreaderallpdfreader.utils.XmlEx.inflate
+import com.chad.library.adapter4.BaseQuickAdapter
+import java.io.File
+
+class DocumentAdapter : BaseQuickAdapter<DocumentBean, DocumentAdapter.DocumentViewHolder>() {
+
+    private val TAG = "DocumentAdapter"
+
+    inner class DocumentViewHolder(view: View) : ViewHolder(view)
+
+    var moreAction: ((item: DocumentBean) -> Unit)? = null
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: DocumentViewHolder, position: Int, item: DocumentBean?) {
+        item ?: return
+        val binding = ItemDocumentBinding.bind(holder.itemView)
+
+        when (item.type) {
+            TYPE_PDF -> {
+                LogEx.logDebug(TAG, "pdf state = ${item.state}")
+                if (item.state == 0) {
+                    binding.ivIcon.setImageResource(R.mipmap.r_pdf)
+                } else {
+                    binding.ivIcon.setImageResource(R.mipmap.rv_pdf_lock)
+                }
+            }
+
+            TYPE_WORD -> {
+                binding.ivIcon.setImageResource(R.mipmap.rv_word)
+            }
+
+            TYPE_EXCEL -> {
+                binding.ivIcon.setImageResource(R.mipmap.rv_excel)
+            }
+
+            TYPE_PPT -> {
+                binding.ivIcon.setImageResource(R.mipmap.r_ppt)
+            }
+        }
+        val file = File(item.path)
+        binding.tvName.text = file.name
+        binding.tvInfo.text = file.lastModified().toFormatTime5() + "  " + file.length().toFormatSize()
+
+        binding.flMore.setOnClickListener {
+            moreAction?.invoke(item)
+        }
+    }
+
+    override fun onCreateViewHolder(context: Context, parent: ViewGroup, viewType: Int): DocumentViewHolder {
+        return DocumentViewHolder(R.layout.item_document.inflate(parent))
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/DocumentEx.kt

+package com.base.pdfreaderallpdfreader.ui.main
+
+import android.content.Context
+import android.media.MediaScannerConnection
+import android.net.Uri
+import com.base.pdfreaderallpdfreader.bean.ConstObject
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_DOC
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_DOCX
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_PDF
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_PPT
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_PPTX
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_XLS
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_XLSX
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_EXCEL
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PDF
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PPT
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_WORD
+import com.base.pdfreaderallpdfreader.bean.MediaBean
+import com.base.pdfreaderallpdfreader.utils.AssetUtils.readByteArrayFromAsset
+import com.base.pdfreaderallpdfreader.utils.PdfBoxUtils.checkPdfEncryption
+import com.base.pdfreaderallpdfreader.utils.getMediaFile
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+
+fun Context.upDateDemoStore() {
+    val demoFile = File(filesDir, "demo")
+    MediaScannerConnection.scanFile(
+        this, arrayOf(demoFile.absolutePath), null
+    ) { path: String?, uri: Uri? -> }
+}
+
+fun Context.saveAssetsFile() {
+    val demoFile = File(filesDir, "demo")
+    demoFile.mkdirs()
+    arrayOf(
+        "DEMO.pdf",
+        "DEMO.docx",
+        "DEMO.xlsx",
+        "DEMO.pptx"
+    ).forEach {
+
+        val file = File(demoFile, it)
+        if (file.exists() && file.length() != 0L) {
+            return
+        }
+        file.createNewFile()
+
+        try {
+            FileOutputStream(file).use { fos -> fos.write(readByteArrayFromAsset(it)) }
+        } catch (e: IOException) {
+            e.printStackTrace()
+        }
+
+    }
+}
+
+fun getPdfDemo(context: Context): DocumentBean {
+    val demoDocumentBean = DocumentBean()
+    demoDocumentBean.type = TYPE_PDF
+    val demoFile = File(context.filesDir, "demo")
+    demoDocumentBean.path = demoFile.listFiles()?.find { it.name.contains(".pdf") }?.absolutePath ?: ""
+    context.pdfCheck(demoDocumentBean)
+    return demoDocumentBean
+}
+
+fun getWordDemo(context: Context): DocumentBean {
+    val demoDocumentBean = DocumentBean()
+    demoDocumentBean.type = TYPE_WORD
+    val demoFile = File(context.filesDir, "demo")
+    demoDocumentBean.path = demoFile.listFiles()?.find { it.name.contains(".docx") }?.absolutePath ?: ""
+    return demoDocumentBean
+}
+
+fun getExcelDemo(context: Context): DocumentBean {
+    val demoDocumentBean = DocumentBean()
+    demoDocumentBean.type = TYPE_EXCEL
+    val demoFile = File(context.filesDir, "demo")
+    demoDocumentBean.path = demoFile.listFiles()?.find { it.name.contains(".xlsx") }?.absolutePath ?: ""
+    return demoDocumentBean
+}
+
+fun getPPtDemo(context: Context): DocumentBean {
+    val demoDocumentBean = DocumentBean()
+    demoDocumentBean.type = TYPE_PPT
+    val demoFile = File(context.filesDir, "demo")
+    demoDocumentBean.path = demoFile.listFiles()?.find { it.name.contains(".pptx") }?.absolutePath ?: ""
+    return demoDocumentBean
+}
+
+fun getAllDocument(context: Context): MutableList<DocumentBean> {
+    context.upDateDemoStore()
+    if (!ConstObject.haveSaveDemo) {
+        context.saveAssetsFile()
+        ConstObject.haveSaveDemo = true
+    }
+
+
+    val selectionArgs = arrayOf(
+        MIME_TYPE_PDF,
+        MIME_TYPE_DOC,
+        MIME_TYPE_DOCX,
+        MIME_TYPE_XLS,
+        MIME_TYPE_XLSX,
+        MIME_TYPE_PPT,
+        MIME_TYPE_PPTX,
+    )
+
+    val list = context.getMediaFile(selectionArgs = selectionArgs)
+    val documentList = list.map {
+        val documentBean = DocumentBean(it.path, uri = it.uri, type = getDocumentType(it))
+        if (documentBean.type == TYPE_PDF) {
+            context.pdfCheck(documentBean)
+        }
+        documentBean
+    }
+    val new = documentList.toMutableList()
+    val pptDemo = getPPtDemo(context)
+    if (File(pptDemo.path).exists()) {
+        new.add(0, pptDemo)
+    }
+    val excelDemo = getExcelDemo(context)
+    if (File(excelDemo.path).exists()) {
+        new.add(0, excelDemo)
+    }
+    val wordDemp = getWordDemo(context)
+    if (File(wordDemp.path).exists()) {
+        new.add(0, wordDemp)
+    }
+    val pdfDemo = getPdfDemo(context)
+    if (File(pdfDemo.path).exists()) {
+        new.add(0, pdfDemo)
+    }
+    return new
+}
+
+fun getPdfDocument(context: Context): MutableList<DocumentBean> {
+    if (!ConstObject.haveSaveDemo) {
+        context.saveAssetsFile()
+        ConstObject.haveSaveDemo = true
+    }
+    val selectionArgs = arrayOf(
+        MIME_TYPE_PDF
+    )
+    val list = context.getMediaFile(selectionArgs = selectionArgs)
+    val documentList = list.map {
+        val demoDocumentBean = DocumentBean(it.path, uri = it.uri, type = TYPE_PDF)
+        context.pdfCheck(demoDocumentBean)
+        demoDocumentBean
+    }
+    val new = documentList.toMutableList()
+    val pdfDemo = getPdfDemo(context)
+    if (File(pdfDemo.path).exists()) {
+        new.add(0, pdfDemo)
+    }
+    return new
+}
+
+fun getWordDocument(context: Context): MutableList<DocumentBean> {
+    if (!ConstObject.haveSaveDemo) {
+        context.saveAssetsFile()
+        ConstObject.haveSaveDemo = true
+    }
+    val selectionArgs = arrayOf(
+        MIME_TYPE_DOC,
+        MIME_TYPE_DOCX,
+    )
+    val list = context.getMediaFile(selectionArgs = selectionArgs)
+    val documentList = list.map {
+        DocumentBean(it.path, uri = it.uri, type = TYPE_WORD)
+    }
+    val new = documentList.toMutableList()
+    val wordDemo = getWordDemo(context)
+    if (File(wordDemo.path).exists()) {
+        new.add(0, wordDemo)
+    }
+    return new
+}
+
+fun getExcelDocument(context: Context): MutableList<DocumentBean> {
+    if (!ConstObject.haveSaveDemo) {
+        context.saveAssetsFile()
+        ConstObject.haveSaveDemo = true
+    }
+    val selectionArgs = arrayOf(
+        MIME_TYPE_XLS,
+        MIME_TYPE_XLSX,
+    )
+    val list = context.getMediaFile(selectionArgs = selectionArgs)
+    val documentList = list.map {
+        DocumentBean(it.path, uri = it.uri, type = TYPE_EXCEL)
+    }
+    val new = documentList.toMutableList()
+    val excelDemo = getExcelDemo(context)
+    if (File(excelDemo.path).exists()) {
+        new.add(0, excelDemo)
+    }
+    return new
+}
+
+fun getPptDocument(context: Context): MutableList<DocumentBean> {
+    if (!ConstObject.haveSaveDemo) {
+        context.saveAssetsFile()
+        ConstObject.haveSaveDemo = true
+    }
+    val selectionArgs = arrayOf(
+        MIME_TYPE_PPT,
+        MIME_TYPE_PPTX,
+    )
+    val list = context.getMediaFile(selectionArgs = selectionArgs)
+    val documentList = list.map {
+        DocumentBean(it.path, uri = it.uri, type = TYPE_PPT)
+    }
+    val new = documentList.toMutableList()
+    val pptDemo = getPPtDemo(context)
+    if (File(pptDemo.path).exists()) {
+        new.add(0, pptDemo)
+    }
+    return new
+}
+
+
+fun recentFilter(recentList: List<String>, documentBean: DocumentBean) {
+    val findLastTime = recentList.filter { it.contains(documentBean.path) }.map {
+        it.split("_/_")[1].toLong()
+    }
+    if (findLastTime.isNotEmpty()) {
+        val max = findLastTime.max()
+        documentBean.lastViewTime = max
+    }
+}
+
+fun Context.pdfCheck(pdfDocumentBean: DocumentBean) {
+    pdfDocumentBean.state = this.checkPdfEncryption(pdfDocumentBean.path)
+}
+
+fun getDocumentType(mediaBean: MediaBean): String {
+    return if (mediaBean.path.endsWith(".pdf")) {
+        MIME_TYPE_PDF
+    } else if (mediaBean.path.endsWith(".doc") || mediaBean.path.endsWith(".docx")) {
+        TYPE_WORD
+    } else if (mediaBean.path.endsWith(".xls") || mediaBean.path.endsWith(".xlsx")) {
+        TYPE_EXCEL
+    } else if (mediaBean.path.endsWith(".ppt") || mediaBean.path.endsWith(".pptx")) {
+        TYPE_PPT
+    } else {
+        TYPE_PPT
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/MainActivity.kt

+package com.base.pdfreaderallpdfreader.ui.main
+
+import android.content.Intent
+import android.graphics.Color
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.style.ForegroundColorSpan
+import androidx.core.view.GravityCompat
+import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.NavController
+import androidx.navigation.findNavController
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.base.BaseActivity
+import com.base.pdfreaderallpdfreader.databinding.ActivityMainBinding
+import com.base.pdfreaderallpdfreader.ui.language.LanguageActivity
+import com.base.pdfreaderallpdfreader.ui.search.SearchActivity
+import com.base.pdfreaderallpdfreader.ui.view.MainDialog.showStoragePermission
+import com.base.pdfreaderallpdfreader.utils.BarUtils
+import com.base.pdfreaderallpdfreader.utils.PermissionUtils.checkStorePermission
+
+
+class MainActivity : BaseActivity<ActivityMainBinding>() {
+
+    override val binding: ActivityMainBinding by lazy {
+        ActivityMainBinding.inflate(layoutInflater)
+    }
+    private lateinit var mainViewModel: MainViewModel
+
+    private lateinit var navController: NavController
+
+    override fun initView() {
+
+        mainViewModel = ViewModelProvider(this)[MainViewModel::class.java]
+        mainViewModel.initScannerLauncher(this)
+        mainViewModel.handleActivityGmsScanResult = { imageUri, pdfUri ->
+
+        }
+
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.WHITE)
+        binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
+        navController = findNavController(R.id.nav_host_fragment_content_main)
+
+        val spannableString = SpannableString(this.getString(R.string.pdf_reader))
+        spannableString.setSpan(ForegroundColorSpan(Color.parseColor("#E20001")), 0, 3, Spannable.SPAN_INCLUSIVE_INCLUSIVE)
+        binding.includeMain.tvTittle.text = spannableString
+        binding.tvPdfReader.text = spannableString
+
+        if (!checkStorePermission()) {
+            showStoragePermission(launcher)
+        }
+    }
+
+    override fun initListener() {
+        super.initListener()
+        binding.includeMain.ivMenu.setOnClickListener {
+            binding.drawerLayout.openDrawer(GravityCompat.START)
+        }
+        binding.flFanhui.setOnClickListener {
+            binding.drawerLayout.closeDrawer(GravityCompat.START)
+        }
+        binding.includeMain.includeContentMain.llHome.setOnClickListener {
+            changeHomeUI()
+        }
+        binding.includeMain.includeContentMain.llHome.callOnClick()
+        binding.includeMain.includeContentMain.llRecent.setOnClickListener {
+            changeRecentUI()
+        }
+        binding.includeMain.includeContentMain.llBookmark.setOnClickListener {
+            changeBookMarkUI()
+        }
+        binding.llLanguage.setOnClickListener {
+            startActivity(Intent(this, LanguageActivity::class.java))
+        }
+        binding.includeMain.includeContentMain.ivScan.setOnClickListener {
+            starAdGmsScan()
+        }
+        binding.includeMain.ivSearch.setOnClickListener {
+            startActivity(Intent(this, SearchActivity::class.java))
+        }
+    }
+
+
+    private fun starAdGmsScan() {
+
+//        if (AdmobHelper.isShowScanInter() && AdmobHelper.canCommonShowAd()) {
+//            AdmobInterstitialUtils.showInterstitialAd(activity) {
+//                if (it) {
+//                    lastScanShowAd = System.currentTimeMillis()
+//                }
+//                starGmsScan(activity)
+//            }
+//        } else {
+        mainViewModel.starGmsScan(this)
+//        }
+
+    }
+
+    private fun disSelectBottomNav() {
+        binding.includeMain.includeContentMain.ivHome.isSelected = false
+        binding.includeMain.includeContentMain.tvHome.isSelected = false
+
+        binding.includeMain.includeContentMain.ivRecent.isSelected = false
+        binding.includeMain.includeContentMain.tvRecent.isSelected = false
+
+        binding.includeMain.includeContentMain.ivBookmark.isSelected = false
+        binding.includeMain.includeContentMain.tvBookmark.isSelected = false
+    }
+
+    private fun changeBookMarkUI() {
+        disSelectBottomNav()
+        binding.includeMain.includeContentMain.ivBookmark.isSelected = true
+        binding.includeMain.includeContentMain.tvBookmark.isSelected = true
+
+        navController.popBackStack()
+        navController.navigate(R.id.nav_bookmarkFragment)
+    }
+
+    private fun changeRecentUI() {
+        disSelectBottomNav()
+        binding.includeMain.includeContentMain.ivRecent.isSelected = true
+        binding.includeMain.includeContentMain.tvRecent.isSelected = true
+
+        navController.popBackStack()
+        navController.navigate(R.id.nav_recentFragment)
+    }
+
+    private fun changeHomeUI() {
+        disSelectBottomNav()
+        binding.includeMain.includeContentMain.ivHome.isSelected = true
+        binding.includeMain.includeContentMain.tvHome.isSelected = true
+
+        navController.popBackStack()
+        navController.navigate(R.id.nav_homeFragment)
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/MainViewModel.kt

+package com.base.pdfreaderallpdfreader.ui.main
+
+import android.app.Activity
+import android.content.IntentSender
+import android.net.Uri
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.IntentSenderRequest
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.ViewModel
+import com.google.mlkit.vision.documentscanner.GmsDocumentScannerOptions
+import com.google.mlkit.vision.documentscanner.GmsDocumentScanning
+import com.google.mlkit.vision.documentscanner.GmsDocumentScanningResult
+
+class MainViewModel : ViewModel() {
+
+    private var scannerLauncher: ActivityResultLauncher<IntentSenderRequest>? = null
+
+    var handleActivityGmsScanResult: ((imageUri: Uri?, pdfUri: Uri?) -> Unit)? = null
+
+    private var scannerLauncherRegister: Boolean = false
+    fun initScannerLauncher(appCompatActivity: AppCompatActivity) {
+        scannerLauncher =
+            appCompatActivity.registerForActivityResult(ActivityResultContracts.StartIntentSenderForResult()) { activityResult ->
+
+                val resultCode = activityResult.resultCode
+                val result = GmsDocumentScanningResult.fromActivityResultIntent(activityResult.data)
+//                appCompatActivity.toast("回调1")
+                if (resultCode == Activity.RESULT_OK && result != null) {
+                    val pages = result.pages
+//                    appCompatActivity.toast("回调2 ${pages?.size}")
+                    var imageUri = Uri.EMPTY
+                    if (!pages.isNullOrEmpty()) {
+//                        appCompatActivity.toast("回调3")
+                        imageUri = pages[0].imageUri
+                    }
+                    val pdfUri = result.pdf?.uri ?: Uri.EMPTY
+                    handleActivityGmsScanResult?.invoke(imageUri, pdfUri)
+                } else {
+                    handleActivityGmsScanResult?.invoke(null, null)
+                }
+            }
+
+        scannerLauncherRegister = true
+    }
+
+    fun starGmsScan(activity: Activity) {
+        runCatching {
+            if (scannerLauncher == null && !scannerLauncherRegister) return
+            val options =
+                GmsDocumentScannerOptions.Builder()
+                    .setScannerMode(GmsDocumentScannerOptions.SCANNER_MODE_BASE)
+                    .setResultFormats(GmsDocumentScannerOptions.RESULT_FORMAT_PDF)
+                    .setGalleryImportAllowed(true)
+
+            options.setScannerMode(GmsDocumentScannerOptions.SCANNER_MODE_FULL)
+
+            val pageLimit = 1
+            options.setPageLimit(pageLimit)
+
+
+            GmsDocumentScanning.getClient(options.build())
+                .getStartScanIntent(activity)
+                .addOnSuccessListener { intentSender: IntentSender ->
+                    scannerLauncher?.launch(IntentSenderRequest.Builder(intentSender).build())
+                }
+                .addOnFailureListener { e: Exception ->
+                }
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/PermissionFragment.kt

+package com.base.pdfreaderallpdfreader.ui.main
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import com.base.pdfreaderallpdfreader.R
+
+class PermissionFragment : Fragment() {
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_permission, container, false)
+    }
+
+    companion object {
+
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/bookmark/BookmarkFragment.kt

+package com.base.pdfreaderallpdfreader.ui.main.bookmark
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
+import com.base.pdfreaderallpdfreader.databinding.FragmentBookmarkBinding
+import com.base.pdfreaderallpdfreader.ui.main.DocumentAdapter
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+class BookmarkFragment : Fragment() {
+
+    private var _binding: FragmentBookmarkBinding? = null
+
+    // onDestroyView.
+    private val binding get() = _binding!!
+    private lateinit var bookmarkViewModel: BookmarkViewModel
+    private var adapter: DocumentAdapter? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        bookmarkViewModel = ViewModelProvider(this)[BookmarkViewModel::class.java]
+
+        _binding = FragmentBookmarkBinding.inflate(inflater, container, false)
+        val root: View = binding.root
+
+        return root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        adapter = DocumentAdapter()
+        binding.rv.adapter = adapter
+    }
+
+    override fun onResume() {
+        super.onResume()
+        initData()
+    }
+
+    private fun initData() {
+        binding.swipeRefreshLayout.isRefreshing = true
+
+        lifecycleScope.launch(Dispatchers.IO) {
+
+            val recentList = bookmarkViewModel.getBookmarkDocument(requireContext())
+            launch(Dispatchers.Main) {
+                if (recentList.isEmpty()) {
+                    binding.llEmpty.visibility = View.VISIBLE
+                    adapter?.submitList(listOf())
+                } else {
+                    binding.llEmpty.visibility = View.GONE
+                    adapter?.submitList(recentList)
+                }
+                binding.swipeRefreshLayout.isRefreshing = false
+            }
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/bookmark/BookmarkViewModel.kt

+package com.base.pdfreaderallpdfreader.ui.main.bookmark
+
+import android.content.Context
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PDF
+import com.base.pdfreaderallpdfreader.ui.main.getAllDocument
+import com.base.pdfreaderallpdfreader.ui.main.pdfCheck
+import com.base.pdfreaderallpdfreader.utils.SpStringUtils
+import com.base.pdfreaderallpdfreader.utils.SpStringUtils.BOOKMARK_KEY
+
+class BookmarkViewModel : ViewModel() {
+
+    private val _text = MutableLiveData<String>().apply {
+        value = "This is gallery Fragment"
+    }
+    val text: LiveData<String> = _text
+
+
+    fun getBookmarkDocument(context: Context): List<DocumentBean> {
+        val all = getAllDocument(context)
+        val bookmarkList = SpStringUtils.getSpStringList(BOOKMARK_KEY)
+        all.map {
+            if (it.type == TYPE_PDF) {
+                context.pdfCheck(it)
+            }
+            it.isBookmarked = bookmarkList.contains(it.path)
+        }
+        return all.filter { it.isBookmarked }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/home/HomeFragment.kt

+package com.base.pdfreaderallpdfreader.ui.main.home
+
+import android.content.Intent
+import android.graphics.Color
+import android.os.Bundle
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.style.ForegroundColorSpan
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.ViewModelProvider
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.databinding.FragmentHomeBinding
+import com.base.pdfreaderallpdfreader.ui.document.DocumentActivity
+
+class HomeFragment : Fragment() {
+
+    private var _binding: FragmentHomeBinding? = null
+
+    // This property is only valid between onCreateView and
+    // onDestroyView.
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        val homeViewModel =
+            ViewModelProvider(this).get(HomeViewModel::class.java)
+
+        _binding = FragmentHomeBinding.inflate(inflater, container, false)
+        val root: View = binding.root
+
+        return root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+
+
+        binding.clPdfReader.setOnClickListener {
+            startActivity(Intent(requireContext(), DocumentActivity::class.java))
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/home/HomeViewModel.kt

+package com.base.pdfreaderallpdfreader.ui.main.home
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+
+class HomeViewModel : ViewModel() {
+
+    private val _text = MutableLiveData<String>().apply {
+        value = "This is home Fragment"
+    }
+    val text: LiveData<String> = _text
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/recent/RecentFragment.kt

+package com.base.pdfreaderallpdfreader.ui.main.recent
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
+import com.base.pdfreaderallpdfreader.databinding.FragmentRecentBinding
+import com.base.pdfreaderallpdfreader.ui.main.DocumentAdapter
+import com.base.pdfreaderallpdfreader.utils.LogEx
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlin.random.Random
+
+
+class RecentFragment() : Fragment() {
+
+    private val TAG = "RecentFragment"
+
+    private var _binding: FragmentRecentBinding? = null
+
+    private val binding get() = _binding!!
+    private lateinit var recentViewModel: RecentViewModel
+    private var adapter: DocumentAdapter? = null
+
+    var i = Random(100).nextInt()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        LogEx.logDebug(TAG, "onCreate $i")
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        recentViewModel = ViewModelProvider(this)[RecentViewModel::class.java]
+        _binding = FragmentRecentBinding.inflate(inflater, container, false)
+        val root: View = binding.root
+        return root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        adapter = DocumentAdapter()
+        binding.rv.adapter = adapter
+    }
+
+    override fun onResume() {
+        super.onResume()
+        initData()
+    }
+
+    private fun initData() {
+//        if (!recentNeedRefresh) return
+//        recentNeedRefresh = false
+        binding.swipeRefreshLayout.isRefreshing = true
+
+        lifecycleScope.launch(Dispatchers.IO) {
+
+            val recentList = recentViewModel.getRecentDocument(requireContext())
+            launch(Dispatchers.Main) {
+                if (recentList.isEmpty()) {
+                    binding.llEmpty.visibility = View.VISIBLE
+                    adapter?.submitList(listOf())
+                } else {
+                    binding.llEmpty.visibility = View.GONE
+                    adapter?.submitList(recentList)
+                }
+                binding.swipeRefreshLayout.isRefreshing = false
+            }
+        }
+    }
+
+    companion object {
+        var recentNeedRefresh = true
+    }
+
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+        LogEx.logDebug(TAG, "onDestroyView $i")
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        LogEx.logDebug(TAG, "onDestroy $i")
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/main/recent/RecentViewModel.kt

+package com.base.pdfreaderallpdfreader.ui.main.recent
+
+import android.content.Context
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PDF
+import com.base.pdfreaderallpdfreader.ui.main.getAllDocument
+import com.base.pdfreaderallpdfreader.ui.main.pdfCheck
+import com.base.pdfreaderallpdfreader.ui.main.recentFilter
+import com.base.pdfreaderallpdfreader.utils.SpStringUtils
+import com.base.pdfreaderallpdfreader.utils.SpStringUtils.LAST_VIEW_KEY
+
+class RecentViewModel : ViewModel() {
+
+    private val _text = MutableLiveData<String>().apply {
+        value = "This is home Fragment"
+    }
+    val text: LiveData<String> = _text
+
+
+    fun getRecentDocument(context: Context): List<DocumentBean> {
+        val all = getAllDocument(context)
+        val recentList = SpStringUtils.getSpStringList(LAST_VIEW_KEY)
+        all.forEach {
+            if (it.type == TYPE_PDF) {
+                context.pdfCheck(it)
+            }
+            recentFilter(recentList, it)
+        }
+        return all.filter { it.lastViewTime != 0L }.sortedByDescending { it.lastViewTime }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/search/SearchActivity.kt

+package com.base.pdfreaderallpdfreader.ui.search
+
+import android.graphics.Color
+import android.view.View
+import android.view.inputmethod.EditorInfo
+import androidx.activity.addCallback
+import androidx.core.view.updatePadding
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
+import com.base.pdfreaderallpdfreader.base.BaseActivity
+import com.base.pdfreaderallpdfreader.databinding.ActivitySearchBinding
+import com.base.pdfreaderallpdfreader.databinding.ItemTabDocumentBinding
+import com.base.pdfreaderallpdfreader.ui.main.DocumentAdapter
+import com.base.pdfreaderallpdfreader.utils.BarUtils
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+class SearchActivity : BaseActivity<ActivitySearchBinding>() {
+
+    private lateinit var searchViewModel: SearchViewModel
+    private var adapter: DocumentAdapter? = null
+
+    override val binding: ActivitySearchBinding by lazy {
+        ActivitySearchBinding.inflate(layoutInflater)
+    }
+
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.WHITE)
+        binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
+        searchViewModel = ViewModelProvider(this)[SearchViewModel::class.java]
+
+        adapter = DocumentAdapter()
+        binding.rv.adapter = adapter
+
+        arrayOf("All", "PDF", "Word", "Excel", "PPT").forEach { tab ->
+            val tabBinding = ItemTabDocumentBinding.inflate(layoutInflater)
+            tabBinding.tv.text = tab
+            binding.tabLayout.addView(tabBinding.root)
+        }
+        binding.tabLayout.observeIndexChange { fromIndex, toIndex, reselect, fromUser ->
+            if (!reselect) {
+                when (toIndex) {
+                    0 -> searchViewModel.searchMode = SEARCH_MODE_ALL
+                    1 -> searchViewModel.searchMode = SEARCH_MODE_PDF
+                    2 -> searchViewModel.searchMode = SEARCH_MODE_WORD
+                    3 -> searchViewModel.searchMode = SEARCH_MODE_EXCEL
+                    4 -> searchViewModel.searchMode = SEARCH_MODE_PPT
+                }
+                searchDocument()
+            }
+        }
+
+        binding.edit.setOnEditorActionListener { v, actionId, event ->
+            if (actionId == EditorInfo.IME_ACTION_DONE) {
+                if (binding.edit.text.isNotEmpty()) {
+                    searchDocument()
+                }
+            }
+            false
+        }
+
+
+        searchDocument()
+    }
+
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+    }
+
+    private fun searchDocument() {
+        val search = binding.edit.text.toString()
+        lifecycleScope.launch(Dispatchers.IO) {
+            val result = searchViewModel.getSearchDocument(this@SearchActivity, search)
+            launch(Dispatchers.Main) {
+                if (result.isEmpty()) {
+                    binding.llEmpty.visibility = View.VISIBLE
+                    adapter?.submitList(listOf())
+                } else {
+                    binding.llEmpty.visibility = View.GONE
+                    adapter?.submitList(result)
+                }
+            }
+        }
+    }
+
+    companion object {
+        var SEARCH_MODE_ALL = "search_mode_all"
+        var SEARCH_MODE_PDF = "search_mode_pdf"
+        var SEARCH_MODE_WORD = "search_mode_word"
+        var SEARCH_MODE_EXCEL = "search_mode_excel"
+        var SEARCH_MODE_PPT = "search_mode_ppt"
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/search/SearchViewModel.kt

+package com.base.pdfreaderallpdfreader.ui.search
+
+import android.content.Context
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.base.pdfreaderallpdfreader.bean.DocumentBean
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_EXCEL
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PDF
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_PPT
+import com.base.pdfreaderallpdfreader.bean.DocumentBean.Companion.TYPE_WORD
+import com.base.pdfreaderallpdfreader.ui.main.getAllDocument
+import com.base.pdfreaderallpdfreader.ui.search.SearchActivity.Companion.SEARCH_MODE_ALL
+import com.base.pdfreaderallpdfreader.ui.search.SearchActivity.Companion.SEARCH_MODE_EXCEL
+import com.base.pdfreaderallpdfreader.ui.search.SearchActivity.Companion.SEARCH_MODE_PDF
+import com.base.pdfreaderallpdfreader.ui.search.SearchActivity.Companion.SEARCH_MODE_PPT
+import com.base.pdfreaderallpdfreader.ui.search.SearchActivity.Companion.SEARCH_MODE_WORD
+import java.io.File
+import java.util.Locale
+
+class SearchViewModel : ViewModel() {
+
+    var searchMode = SEARCH_MODE_ALL
+
+
+    fun getSearchDocument(context: Context, search: String): List<DocumentBean> {
+
+        val all = getAllDocument(context)
+        val typeList: List<DocumentBean>
+        when (searchMode) {
+            SEARCH_MODE_PDF -> {
+                typeList = all.filter { it.type == TYPE_PDF }
+            }
+
+            SEARCH_MODE_WORD -> {
+                typeList = all.filter { it.type == TYPE_WORD }
+            }
+
+            SEARCH_MODE_EXCEL -> {
+                typeList = all.filter { it.type == TYPE_EXCEL }
+            }
+
+            SEARCH_MODE_PPT -> {
+                typeList = all.filter { it.type == TYPE_PPT }
+            }
+
+            else -> typeList = all
+        }
+        typeList.filter {
+            File(it.path).name.lowercase(Locale.ENGLISH)
+                .contains(search.lowercase(Locale.ENGLISH))
+        }
+        return typeList
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/splash/SplashActivity.kt

+package com.base.pdfreaderallpdfreader.ui.splash
+
+import android.annotation.SuppressLint
+import android.content.Intent
+import com.base.pdfreaderallpdfreader.base.BaseActivity
+import com.base.pdfreaderallpdfreader.databinding.ActivitySplashBinding
+import com.base.pdfreaderallpdfreader.ui.main.MainActivity
+
+@SuppressLint("CustomSplashScreen")
+class SplashActivity : BaseActivity<ActivitySplashBinding>() {
+
+    override val binding: ActivitySplashBinding by lazy {
+        ActivitySplashBinding.inflate(layoutInflater)
+    }
+
+    override fun initView() {
+
+        startActivity(Intent(this, MainActivity::class.java))
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/ui/view/MainDialog.kt

+package com.base.pdfreaderallpdfreader.ui.view
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import com.base.pdfreaderallpdfreader.R
+import com.base.pdfreaderallpdfreader.databinding.DialogStoragePermissionBinding
+import com.base.pdfreaderallpdfreader.utils.ActivityLauncher
+import com.base.pdfreaderallpdfreader.utils.PermissionUtils.requestStoragePermission
+import com.google.android.material.bottomsheet.BottomSheetBehavior
+import com.google.android.material.bottomsheet.BottomSheetDialog
+
+object MainDialog {
+
+    fun Context.showStoragePermission(
+        launcher: ActivityLauncher,
+        launcherAction: ((flag: Boolean) -> Unit)? = null,
+        noLauncherAction: (() -> Unit)? = null,
+        dismissAction: (() -> Unit)? = null,
+    ): BottomSheetDialog {
+        val dialog = BottomSheetDialog(this, R.style.BottomSheetDialog)
+        val binding = DialogStoragePermissionBinding.inflate(LayoutInflater.from(this))
+        dialog.setContentView(binding.root)
+        dialog.setCanceledOnTouchOutside(true)
+
+        dialog.show()
+
+        val parentView = binding.root.parent as View
+        val behavior = BottomSheetBehavior.from(parentView)
+        //展开
+        behavior.state = BottomSheetBehavior.STATE_EXPANDED
+
+        binding.tvAllow.setOnClickListener {
+            dialog.dismiss()
+            requestStoragePermission(launcher) {
+                launcherAction?.invoke(it)
+            }
+        }
+        dialog.setOnDismissListener {
+            dismissAction?.invoke()
+        }
+        return dialog
+
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/ActivityLauncher.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.content.Intent
+import androidx.activity.result.ActivityResult
+import androidx.activity.result.ActivityResultCallback
+import androidx.activity.result.ActivityResultCaller
+import androidx.activity.result.contract.ActivityResultContracts
+
+class ActivityLauncher(activityResultCaller: ActivityResultCaller) {
+
+    //region 权限
+    private var permissionCallback: ActivityResultCallback<Map<String, Boolean>>? = null
+    private val permissionLauncher =
+        activityResultCaller.registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { result: Map<String, Boolean> ->
+            permissionCallback?.onActivityResult(result)
+        }
+
+    fun launch(
+        permissionArray: Array<String>,
+        permissionCallback: ActivityResultCallback<Map<String, Boolean>>?
+    ) {
+        this.permissionCallback = permissionCallback
+        permissionLauncher.launch(permissionArray)
+    }
+
+    //endregion
+
+    //region intent跳转
+    private var activityResultCallback: ActivityResultCallback<ActivityResult>? = null
+    private val intentLauncher =
+        activityResultCaller.registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { activityResult: ActivityResult ->
+            activityResultCallback?.onActivityResult(activityResult)
+        }
+
+    /**
+     * it.resultCode == Activity.RESULT_OK
+     */
+    fun launch(
+        intent: Intent,
+        activityResultCallback: ActivityResultCallback<ActivityResult>? = null
+    ) {
+        this.activityResultCallback = activityResultCallback
+        intentLauncher.launch(intent)
+    }
+    //endregion
+
+
+    //region saf
+//    private var safResultCallback: ActivityResultCallback<Uri?>? = null
+//    private val safLauncher =
+//        activityResultCaller.registerForActivityResult(
+//            ActivityResultContracts.OpenDocument(),
+//        ) { uri ->
+//            safResultCallback?.onActivityResult(uri)
+//        }
+//
+//    fun launch(array: Array<String>, safResultCallback: ActivityResultCallback<Uri?>?) {
+//        this.safResultCallback = safResultCallback
+//        safLauncher.launch(array)
+//    }
+    //end region
+
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/ActivityManagerUtils.java

+package com.base.pdfreaderallpdfreader.utils;
+
+import android.app.Activity;
+
+import java.util.Stack;
+
+public class ActivityManagerUtils {
+
+    private static ActivityManagerUtils instance;
+    private Stack<Activity> activityStack = new Stack<>();
+
+    private ActivityManagerUtils() {
+
+    }
+
+    public static ActivityManagerUtils getInstance() {
+        if (instance == null) {
+            instance = new ActivityManagerUtils();
+        }
+        return instance;
+    }
+
+    /**
+     * 添加Activity到堆栈
+     */
+    public void addActivity(Activity activity) {
+        activityStack.add(activity);
+    }
+
+    /**
+     * 移除Activity从堆栈
+     */
+    public void removeActivity(Activity activity) {
+        activityStack.remove(activity);
+    }
+
+    /**
+     * 获取当前Activity（堆栈中最后一个压入的）
+     */
+    public Activity getCurrentActivity() {
+        return activityStack.lastElement();
+    }
+
+    /**
+     * 结束指定的Activity
+     */
+    public void finishActivity(Activity activity) {
+        if (activity != null) {
+            activityStack.remove(activity);
+            activity.finish();
+        }
+    }
+
+    /**
+     * 结束所有Activity
+     */
+    public void finishAllActivity() {
+        for (Activity activity : activityStack) {
+            if (activity != null) {
+                activity.finish();
+            }
+        }
+        activityStack.clear();
+    }
+
+    /**
+     * 检查Activity是否存在于堆栈中
+     */
+    public boolean isActivityInStack(Class<?> cls) {
+        boolean isExist = false;
+        if (cls != null) {
+            for (Activity activity : activityStack) {
+                if (cls.equals(activity.getClass())) {
+                    isExist = true;
+                    break;
+                }
+            }
+        }
+        return isExist;
+    }
+    public Activity getTopActivity() {
+        if (activityStack.empty()) {
+            return null;
+        } else {
+            return activityStack.peek();
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/AppPreferences.java

+package com.base.pdfreaderallpdfreader.utils;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import com.base.pdfreaderallpdfreader.helper.MyApplication;
+
+import java.util.Set;
+
+/**
+ * @noinspection ALL, rawtypes, rawtypes
+ */
+public class AppPreferences {
+    private static AppPreferences sInstance;
+    private final SharedPreferences sharedPreferences;
+    private static final String PREF_FILE_NAME = "app_prefs"; // 偏好文件名
+
+    private AppPreferences(Context context) {
+        sharedPreferences = context.getSharedPreferences(PREF_FILE_NAME, Context.MODE_PRIVATE);
+    }
+
+    public static synchronized AppPreferences getInstance() {
+        if (sInstance == null) {
+            sInstance = new AppPreferences(MyApplication.context.getApplicationContext());
+        }
+        return sInstance;
+    }
+
+    // 通用 put 方法
+    public void put(String key, Object value) {
+        if (value instanceof Integer) {
+            sharedPreferences.edit().putInt(key, (Integer) value).apply();
+        } else if (value instanceof Long) {
+            sharedPreferences.edit().putLong(key, (Long) value).apply();
+        } else if (value instanceof Float) {
+            sharedPreferences.edit().putFloat(key, (Float) value).apply();
+        } else if (value instanceof Boolean) {
+            sharedPreferences.edit().putBoolean(key, (Boolean) value).apply();
+        } else if (value instanceof String) {
+            sharedPreferences.edit().putString(key, (String) value).apply();
+        } else if (value instanceof Double) {
+            sharedPreferences.edit().putString(key, (String) value.toString()).apply();
+        } else if (value instanceof Set) {
+            sharedPreferences.edit().putStringSet(key, (Set<String>) value).apply();
+        } else {
+            throw new IllegalArgumentException("Unsupported type: " + value.getClass());
+        }
+    }
+
+    @SuppressLint("ApplySharedPref")
+    public void put(String key, Object value, boolean isCommit) {
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+        if (value instanceof Integer) {
+            editor.putInt(key, (Integer) value);
+        } else if (value instanceof Long) {
+            editor.putLong(key, (Long) value);
+        } else if (value instanceof Float) {
+            editor.putFloat(key, (Float) value);
+        } else if (value instanceof Boolean) {
+            editor.putBoolean(key, (Boolean) value);
+        } else if (value instanceof String) {
+            editor.putString(key, (String) value);
+        } else if (value instanceof Set) {
+            sharedPreferences.edit().putStringSet(key, (Set<String>) value).apply();
+        } else {
+            throw new IllegalArgumentException("Unsupported type: " + value.getClass());
+        }
+
+        // 根据 isCommit 参数的值决定使用 commit() 还是 apply()
+        if (isCommit) {
+            editor.commit();
+        } else {
+            editor.apply();
+        }
+    }
+
+    // 存入整数
+    public void putInt(String key, int value) {
+        sharedPreferences.edit().putInt(key, value).apply();
+    }
+
+    public void putStringSet(String key, Set value) {
+        sharedPreferences.edit().putStringSet(key, value).apply();
+    }
+
+    public Set<String> getStringSet(String key, Set<String> defaultValue) {
+        return sharedPreferences.getStringSet(key, defaultValue);
+    }
+
+    // 获取整数
+    public int getInt(String key, int defaultValue) {
+        return sharedPreferences.getInt(key, defaultValue);
+    }
+
+    // 存入长整数
+    public void putLong(String key, long value) {
+        sharedPreferences.edit().putLong(key, value).apply();
+    }
+
+    // 获取长整数
+    public long getLong(String key, long defaultValue) {
+        return sharedPreferences.getLong(key, defaultValue);
+    }
+
+    // 存入浮点数
+    public void putFloat(String key, float value) {
+        sharedPreferences.edit().putFloat(key, value).apply();
+    }
+
+    // 获取浮点数
+    public float getFloat(String key, float defaultValue) {
+        return sharedPreferences.getFloat(key, defaultValue);
+    }
+
+    // 存入布尔值
+    public void putBoolean(String key, boolean value) {
+        sharedPreferences.edit().putBoolean(key, value).apply();
+    }
+
+    // 获取布尔值
+    public boolean getBoolean(String key, boolean defaultValue) {
+        return sharedPreferences.getBoolean(key, defaultValue);
+    }
+
+    // 存入字符串
+    public void putString(String key, String value) {
+        sharedPreferences.edit().putString(key, value).apply();
+    }
+
+    // 获取字符串
+    public String getString(String key, String defaultValue) {
+        return sharedPreferences.getString(key, defaultValue);
+    }
+
+    // 检查某个键是否存在
+    public boolean contains(String key) {
+        return sharedPreferences.contains(key);
+    }
+
+    // 移除某个键
+    public void remove(String key) {
+        sharedPreferences.edit().remove(key).apply();
+    }
+
+    // 清除所有数据
+    public void clear() {
+        sharedPreferences.edit().clear().apply();
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/AssetUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.content.Context
+import android.content.res.AssetManager
+import java.io.BufferedReader
+import java.io.ByteArrayOutputStream
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+import java.io.InputStream
+import java.io.InputStreamReader
+
+
+object AssetUtils {
+
+    fun Context.readByteArrayFromAsset(fileName: String): ByteArray {
+        val assetManager: AssetManager = this.assets
+        var ins: InputStream? = null
+        val byteStream = ByteArrayOutputStream()
+
+        try {
+            ins = assetManager.open(fileName)
+            var nextValue: Int
+            while (ins.read().also { nextValue = it } != -1) {
+                byteStream.write(nextValue)
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
+        } finally {
+            try {
+                ins?.close()
+                byteStream.close()
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+        }
+        return byteStream.toByteArray()
+    }
+
+    fun Context.getDemoPdf(): String {
+        val demoFile = File(filesDir, "demo")
+        demoFile.mkdirs()
+        val file = File(demoFile, "DEMO.pdf")
+        return file.absolutePath
+    }
+
+    fun Context.getDemoDocx(): String {
+        val demoFile = File(filesDir, "demo")
+        demoFile.mkdirs()
+        val file = File(demoFile, "DEMO.docx")
+        return file.absolutePath
+    }
+
+    fun Context.getDemoXlsx(): String {
+        val demoFile = File(filesDir, "demo")
+        demoFile.mkdirs()
+        val file = File(demoFile, "DEMO.xlsx")
+        return file.absolutePath
+    }
+
+    fun Context.getDemoPptx(): String {
+        val demoFile = File(filesDir, "demo")
+        demoFile.mkdirs()
+        val file = File(demoFile, "DEMO.pptx")
+        return file.absolutePath
+    }
+
+    fun Context.saveAssetsFile() {
+        val demoFile = File(filesDir, "demo")
+        demoFile.mkdirs()
+        arrayOf(
+            "DEMO.pdf",
+            "DEMO.docx",
+            "DEMO.xlsx",
+            "DEMO.pptx"
+        ).forEach {
+
+            val file = File(demoFile, it)
+            if (file.exists() && file.length() != 0L) {
+                return
+            }
+            file.createNewFile()
+
+            try {
+                FileOutputStream(file).use { fos -> fos.write(readByteArrayFromAsset(it)) }
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+
+        }
+    }
+
+    fun Context.readJsonFromAsset(fileName: String): String {
+        var json = ""
+        try {
+            val assetManager = this.assets
+            val inputStream = assetManager.open(fileName)
+            val reader = BufferedReader(InputStreamReader(inputStream))
+
+            var line: String?
+            val jsonString = StringBuilder()
+            while (reader.readLine().also { line = it } != null) {
+                jsonString.append(line)
+            }
+
+            reader.close()
+            inputStream.close()
+
+            json = jsonString.toString()
+        } catch (e: IOException) {
+            e.printStackTrace()
+        }
+        return json
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/BarUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+//noinspection SuspiciousImport
+import android.app.Activity
+import android.content.Context
+import android.content.res.Resources
+import android.graphics.Color
+import android.os.Build
+import android.view.View
+import android.view.ViewGroup
+import android.view.Window
+import android.view.WindowManager
+import androidx.annotation.ColorInt
+
+
+object BarUtils {
+
+    fun setStatusBarLightMode(activity: Activity, isLightMode: Boolean) {
+        setStatusBarLightMode(activity.window, isLightMode)
+    }
+
+    private fun setStatusBarLightMode(window: Window, isLightMode: Boolean) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            val decorView = window.decorView
+            var vis = decorView.systemUiVisibility
+            vis = if (isLightMode) {
+                vis or View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
+            } else {
+                vis and View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.inv()
+            }
+            decorView.systemUiVisibility = vis
+        }
+    }
+
+    fun setStatusBarColor(activity: Activity, @ColorInt color: Int): View? {
+        return setStatusBarColor(activity, color, false)
+    }
+
+    private fun setStatusBarColor(activity: Activity, @ColorInt color: Int, isDecor: Boolean): View? {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return null
+        transparentStatusBar(activity)
+        return applyStatusBarColor(activity, color, isDecor)
+    }
+
+    private fun applyStatusBarColor(activity: Activity, color: Int, isDecor: Boolean): View {
+        return applyStatusBarColor(activity.window, color, isDecor)
+    }
+
+    private fun transparentStatusBar(activity: Activity) {
+        transparentStatusBar(activity.window)
+    }
+
+    private fun transparentStatusBar(window: Window) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS)
+            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
+            val option = View.SYSTEM_UI_FLAG_LAYOUT_STABLE or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+            val vis = window.decorView.systemUiVisibility
+            window.decorView.systemUiVisibility = option or vis
+            window.statusBarColor = Color.TRANSPARENT
+        } else {
+            window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS)
+        }
+    }
+
+    private fun applyStatusBarColor(window: Window, color: Int, isDecor: Boolean): View {
+        val parent =
+            if (isDecor) window.decorView as ViewGroup else (window.findViewById<View>(android.R.id.content) as ViewGroup)!!
+        var fakeStatusBarView =
+            parent.findViewWithTag<View>(TAG_STATUS_BAR)
+        if (fakeStatusBarView != null) {
+            if (fakeStatusBarView.visibility == View.GONE) {
+                fakeStatusBarView.visibility = View.VISIBLE
+            }
+            fakeStatusBarView.setBackgroundColor(color)
+        } else {
+            fakeStatusBarView = createStatusBarView(window.context, color)
+            parent.addView(fakeStatusBarView)
+        }
+        return fakeStatusBarView
+    }
+
+    private fun createStatusBarView(context: Context, color: Int): View {
+        val statusBarView = View(context)
+        statusBarView.layoutParams = ViewGroup.LayoutParams(
+            ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight()
+        )
+        statusBarView.setBackgroundColor(color)
+        statusBarView.tag = TAG_STATUS_BAR
+        return statusBarView
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // status bar
+    ///////////////////////////////////////////////////////////////////////////
+    private const val TAG_STATUS_BAR = "TAG_STATUS_BAR"
+    fun getStatusBarHeight(): Int {
+        val resources = Resources.getSystem()
+        val resourceId = resources.getIdentifier("status_bar_height", "dimen", "android")
+        return resources.getDimensionPixelSize(resourceId)
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/KotlinExt.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import java.text.SimpleDateFormat
+import java.util.Locale
+
+
+object KotlinExt {
+
+    fun Number.toFormatSize(count: Int = 1): String {
+        var suffix = "B"
+        var fSize = this.toDouble()
+        if (fSize > 1024) {
+            suffix = "KB"
+            fSize /= 1024.0
+        }
+        if (fSize > 1024) {
+            suffix = "MB"
+            fSize /= 1024.0
+        }
+        if (fSize > 1024) {
+            suffix = "GB"
+            fSize /= 1024.0
+        }
+        return String.format("%.${count}f %s", fSize, suffix)
+    }
+
+    fun Long.toFormatTime(): String {
+        return SimpleDateFormat("MMM dd,yyyy", Locale.ENGLISH).format(this)
+    }
+
+    fun Long.toFormatTime2(): String {
+        return SimpleDateFormat("yyyyMMdd_HHmmss", Locale.ENGLISH).format(this)
+    }
+
+    fun Long.toFormatTime3(): String {
+        return SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH).format(this)
+    }
+
+    fun Long.toFormatTime4(): String {
+        return SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH).format(this)
+    }
+
+    fun Long.toFormatTime5(): String {
+        return SimpleDateFormat("dd-MM-yyyy", Locale.ENGLISH).format(this)
+    }
+
+    fun Long.toFormatMinute(): String {
+        return SimpleDateFormat("mm", Locale.ENGLISH).format(this)
+    }
+
+
+    fun Array<String>.array2String(): String {
+        val stringBuilder = StringBuilder()
+        forEach {
+            stringBuilder.append(it)
+        }
+        return stringBuilder.toString()
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/LanguageUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.content.Context
+import android.os.LocaleList
+import java.util.Locale
+
+object LanguageUtils {
+
+    fun getSystemLanguage(): String {
+        return Locale.getDefault().language
+    }
+
+    val supportLanguage = listOf(
+        Locale.ENGLISH.language,
+        Locale.PRC.language,
+        Locale("pt", "BR").language,
+        Locale("es").language,
+        Locale.FRENCH.language,
+        Locale("de").language,
+        Locale("th", "TH").language,
+        Locale("in", "ID").language,
+        Locale("ms", "MY").language,
+        Locale("vi", "VN").language,
+        Locale("ja", "JP").language,
+        Locale("it", "IT").language,
+        Locale("ko", "KR").language,
+        Locale("nl", "NL").language,
+        Locale("zh", "TW").language,
+        Locale("tr", "TR").language
+    )
+
+    fun getSystemLanguageDefault(): String {
+        var systemLanguage = getSystemLanguage()
+        if (!supportLanguage.contains(systemLanguage)) {
+            systemLanguage = Locale.ENGLISH.language
+        }
+        return systemLanguage
+    }
+
+    fun isSupportSystemLanguage(): Boolean {
+        return supportLanguage.contains(getSystemLanguage())
+    }
+
+    fun changeAppLanguage(context: Context,language:String) {
+        val config = context.resources.configuration
+        val locale = Locale(language)
+
+        //Android 7.0以上的方法
+        config.setLocale(locale)
+        config.setLocales(LocaleList(locale))
+        context.createConfigurationContext(config)
+        context.resources.updateConfiguration(config, context.resources.displayMetrics)
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/LogEx.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.util.Log
+
+object LogEx {
+    val isOpen = true
+    val filterTAG = arrayOf(
+        "",
+        "MediaStoreUtils",
+        "DocumentFragment",
+        "EventUtils",
+        "ReportUtils",
+//        "NewComUtils",
+    )
+
+    fun logDebug(tag: String, content: String, isMust: Boolean = false) {
+        if (isMust) {
+            Log.e(tag, content)
+        } else {
+            if (!isOpen) return
+            if (filterTAG.contains(tag)) return
+//            if (BuildConfig.DEBUG) {
+            Log.e(tag, content)
+//            }
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/MediaStoreUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.database.Cursor
+import android.media.MediaScannerConnection
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.DocumentsContract
+import android.provider.MediaStore
+import android.provider.OpenableColumns
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_APK
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_DOC
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_DOCX
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_PDF
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_PPT
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_PPTX
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_XLS
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_XLSX
+import com.base.pdfreaderallpdfreader.bean.ConstObject.MIME_TYPE_ZIP
+import com.base.pdfreaderallpdfreader.bean.MediaBean
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableSharedFlow
+import java.io.File
+
+
+private val TAG = "MediaStoreUtils"
+
+private val commonMediaDir = arrayOf(
+    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS).absolutePath,
+    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).absolutePath,
+    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).absolutePath,
+    Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES).absolutePath,
+)
+
+fun Context.updateMediaStore(
+    filePath: Array<String> = commonMediaDir
+) {
+    MediaScannerConnection.scanFile(
+        this, filePath, null
+    ) { path: String?, uri: Uri? -> }
+}
+
+fun Context.upDateDemoStore() {
+    val demoFile = File(filesDir, "demo")
+    MediaScannerConnection.scanFile(
+        this,        arrayOf(demoFile.absolutePath) , null
+    ) { path: String?, uri: Uri? -> }
+}
+
+//图片视频音频不用这个查
+fun Context.getMediaFile(selectionArgs: Array<String>? = null): ArrayList<MediaBean> {
+
+    val list = arrayListOf<MediaBean>()
+
+    val projection = arrayOf(
+        MediaStore.Files.FileColumns._ID,
+        MediaStore.Files.FileColumns.DATA,
+//            MediaStore.Files.FileColumns.TITLE,
+        MediaStore.Files.FileColumns.MIME_TYPE,
+//            MediaStore.Files.FileColumns.SIZE,
+    )
+
+    val mimeTypeSelectionArgs = selectionArgs ?: arrayOf(
+        MIME_TYPE_PDF,
+        MIME_TYPE_DOC,
+        MIME_TYPE_DOCX,
+        MIME_TYPE_XLS,
+        MIME_TYPE_XLSX,
+        MIME_TYPE_PPT,
+        MIME_TYPE_PPTX,
+        MIME_TYPE_APK
+    )
+
+    val mimeTypeSelection = if (mimeTypeSelectionArgs.size == 1) {
+        "${MediaStore.Files.FileColumns.MIME_TYPE} = ?"
+    } else {
+        "${MediaStore.Files.FileColumns.MIME_TYPE} IN (" + mimeTypeSelectionArgs.joinToString(",") { "?" } + ")"
+    }
+
+//        val selection = "$timeSelection AND $mimeTypeSelection"
+    val selection = mimeTypeSelection
+
+    LogEx.logDebug(TAG, "selection=$selection")
+
+    var cursor: Cursor? = null
+    try {
+        // 进行查询，并设置排序方式，按照文件添加时间降序排序
+        cursor = this.contentResolver.query(
+            MediaStore.Files.getContentUri("external"),
+            projection,
+            selection,
+            selectionArgs ?: mimeTypeSelectionArgs,
+            MediaStore.Files.FileColumns.DATE_ADDED + " DESC"
+        )
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                runCatching {
+                    val id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns._ID))
+                    val uri = Uri.withAppendedPath(MediaStore.Files.getContentUri("external"), id.toString())
+
+                    val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA))
+//                        val title = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.TITLE))
+                    val mimeType = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.MIME_TYPE))
+//                        val size = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.SIZE))
+
+                    LogEx.logDebug(TAG, "path=$path uri=$uri mimeType=$mimeType")
+                    list.add(
+                        MediaBean(path = path, uri = uri, mimeType = mimeType)
+                    )
+                }
+            }
+        }
+
+    } catch (e: Exception) {
+        LogEx.logDebug(TAG, "Exception $e")
+    } finally {
+        cursor?.close()
+    }
+
+    return list
+
+}
+
+@SuppressLint("Range")
+fun Context.getMediaPhotoCountSize(): Pair<Int, Long> {
+    var count = 0
+    var totalSize = 0L
+    runCatching {
+        val contentResolver = this.contentResolver
+
+        // 定义查询的Uri和列
+        val uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+        val projection = arrayOf(MediaStore.Images.Media._ID, MediaStore.Images.Media.SIZE)
+
+        // 执行查询
+        val cursor = contentResolver.query(uri, projection, null, null, null)
+
+        // 检查cursor是否包含数据
+        count = cursor?.count ?: 0
+        while (cursor?.moveToNext() == true) {
+            totalSize += cursor.getInt(cursor.getColumnIndex(MediaStore.Video.Media.SIZE))
+        }
+        // 关闭cursor
+        cursor?.close()
+    }
+
+
+    return Pair(count, totalSize)
+}
+
+fun Context.getMediaPhoto(): List<MediaBean> {
+
+    val list = arrayListOf<MediaBean>()
+    val contentResolver = this.contentResolver
+
+    // 定义查询的Uri和列
+    val baseUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+    val projection = arrayOf(MediaStore.Images.Media._ID, MediaStore.Images.Media.DATA)
+
+    // 执行查询
+    var cursor: Cursor? = null
+
+    try {
+        cursor = contentResolver.query(baseUri, projection, null, null, null)
+
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                val id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID))
+                val uri = Uri.withAppendedPath(baseUri, id.toString())
+                val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA))
+                list.add(MediaBean(path = path, uri = uri, mimeType = "image/*"))
+            }
+        }
+    } catch (e: Exception) {
+
+    } finally {
+        cursor?.close()
+    }
+
+    return list
+}
+
+fun Context.getMediaVideo(): List<MediaBean> {
+
+    val list = arrayListOf<MediaBean>()
+    val contentResolver = this.contentResolver
+
+    // 定义查询的Uri和列
+    val baseUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
+    val projection = arrayOf(MediaStore.Video.Media._ID, MediaStore.Video.Media.DATA, MediaStore.Video.Media.MIME_TYPE)
+
+    // 执行查询
+    var cursor: Cursor? = null
+
+    try {
+        cursor = contentResolver.query(baseUri, projection, null, null, null)
+
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                val id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID))
+                val uri = Uri.withAppendedPath(baseUri, id.toString())
+                LogEx.logDebug(TAG, "getMediaVideo uri=$uri")
+                val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA))
+                val mimeType = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE))
+                list.add(MediaBean(path = path, uri = uri, mimeType = mimeType))
+            }
+        }
+    } catch (e: Exception) {
+
+    } finally {
+        cursor?.close()
+    }
+
+    return list
+}
+
+fun Context.getMediaAudio(): List<MediaBean> {
+
+    val list = arrayListOf<MediaBean>()
+    val contentResolver = this.contentResolver
+
+    // 定义查询的Uri和列
+    val baseUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI
+    val projection = arrayOf(MediaStore.Audio.Media._ID, MediaStore.Audio.Media.DATA, MediaStore.Audio.Media.MIME_TYPE)
+
+    // 执行查询
+    var cursor: Cursor? = null
+
+    try {
+        cursor = contentResolver.query(baseUri, projection, null, null, null)
+
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                val id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID))
+                val uri = Uri.withAppendedPath(baseUri, id.toString())
+                val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA))
+                val mimeType = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Video.Media.MIME_TYPE))
+                list.add(MediaBean(path = path, uri = uri, mimeType = mimeType))
+            }
+        }
+    } catch (e: Exception) {
+
+    } finally {
+        cursor?.close()
+    }
+
+    return list
+}
+
+
+@SuppressLint("Range")
+fun Context.getMediaVideoCountSize(): Pair<Int, Long> {
+
+    var count = 0
+    var totalSize: Long = 0
+
+    runCatching {
+        val contentResolver = this.contentResolver
+
+        // 定义查询的Uri和列
+        val uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
+        val projection = arrayOf(MediaStore.Video.Media._ID, MediaStore.Video.Media.SIZE)
+
+        // 执行查询
+        val cursor = contentResolver.query(uri, projection, null, null, null)
+
+        // 检查cursor是否包含数据
+        count = cursor?.count ?: 0
+        while (cursor?.moveToNext() == true) {
+            totalSize += cursor.getInt(cursor.getColumnIndex(MediaStore.Video.Media.SIZE))
+        }
+        // 关闭cursor
+        cursor?.close()
+    }
+    return Pair(count, totalSize)
+}
+
+@SuppressLint("Range")
+fun Context.getMediaAudioCountSize(): Pair<Int, Long> {
+    var count = 0
+    var totalSize: Long = 0
+    runCatching {
+        val contentResolver = this.contentResolver
+
+        // 定义查询的Uri和列
+        val uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI
+        val projection = arrayOf(
+            MediaStore.Audio.Media._ID,
+            MediaStore.Audio.Media.SIZE,
+        )
+
+        // 执行查询
+        val cursor = contentResolver.query(uri, projection, null, null, null)
+
+        // 检查cursor是否包含数据
+        count = cursor?.count ?: 0
+        while (cursor?.moveToNext() == true) {
+            totalSize += cursor.getInt(cursor.getColumnIndex(MediaStore.Audio.Media.SIZE))
+        }
+
+        // 关闭cursor
+        cursor?.close()
+    }
+    return Pair(count, totalSize)
+}
+
+
+fun Context.getMediaDocumentCountSize(): Int {
+    var count = 0
+    runCatching {
+        val contentResolver = this.contentResolver
+
+        val mimeTypeSelectionArgs = arrayOf(
+            MIME_TYPE_PDF,
+            MIME_TYPE_DOC,
+            MIME_TYPE_DOCX,
+            MIME_TYPE_XLS,
+            MIME_TYPE_XLSX,
+            MIME_TYPE_PPT,
+            MIME_TYPE_PPTX,
+        )
+        val mimeTypeSelection =
+            "${MediaStore.Files.FileColumns.MIME_TYPE} IN (" + mimeTypeSelectionArgs.joinToString(",") { "?" } + ")"
+
+        // 定义查询的Uri和列
+        val uri = MediaStore.Files.getContentUri("external")
+        val projection = arrayOf(MediaStore.Files.FileColumns._ID)
+
+        // 执行查询
+        val cursor = contentResolver.query(uri, projection, mimeTypeSelection, mimeTypeSelectionArgs, null)
+
+        // 检查cursor是否包含数据
+        count = cursor?.count ?: 0
+
+        // 关闭cursor
+        cursor?.close()
+    }
+    return count
+}
+
+fun Context.getMediaApkCountSize(): Int {
+    var count = 0
+    runCatching {
+        val contentResolver = this.contentResolver
+
+        val mimeTypeSelectionArgs = arrayOf(
+            MIME_TYPE_APK
+        )
+        val mimeTypeSelection = "${MediaStore.Files.FileColumns.MIME_TYPE} = ?"
+
+        // 定义查询的Uri和列
+        val uri = MediaStore.Files.getContentUri("external")
+        val projection = arrayOf(MediaStore.Files.FileColumns._ID)
+
+        // 执行查询
+        val cursor = contentResolver.query(uri, projection, mimeTypeSelection, mimeTypeSelectionArgs, null)
+
+        // 检查cursor是否包含数据
+        count = cursor?.count ?: 0
+
+        // 关闭cursor
+        cursor?.close()
+    }
+    return count
+}
+
+fun Context.getMediaZipCountSize(): Int {
+    var count = 0
+    runCatching {
+        val contentResolver = this.contentResolver
+
+        val mimeTypeSelectionArgs = arrayOf(
+            MIME_TYPE_ZIP
+        )
+        val mimeTypeSelection = "${MediaStore.Files.FileColumns.MIME_TYPE} = ?"
+
+        // 定义查询的Uri和列
+        val uri = MediaStore.Files.getContentUri("external")
+        val projection = arrayOf(MediaStore.Files.FileColumns._ID)
+
+        // 执行查询
+        val cursor = contentResolver.query(uri, projection, mimeTypeSelection, mimeTypeSelectionArgs, null)
+
+        // 检查cursor是否包含数据
+        count = cursor?.count ?: 0
+
+        // 关闭cursor
+        cursor?.close()
+    }
+    return count
+}
+
+private fun getFileTypeSelection(fileSuffix: String): String {
+    return (MediaStore.Files.FileColumns.MEDIA_TYPE + "="
+            + MediaStore.Files.FileColumns.MEDIA_TYPE_NONE + " AND "
+            + MediaStore.Files.FileColumns.DATA + " LIKE '%" + fileSuffix + "'")
+}
+
+
+fun CoroutineScope.queryFiles(context: Context, fileSuffix: String, flow: MutableSharedFlow<String>? = null) =
+    async(Dispatchers.IO) {
+        val selection = getFileTypeSelection(fileSuffix)
+        val fileList: MutableList<File> = ArrayList()
+        val projection = arrayOf(
+            MediaStore.Files.FileColumns._ID, MediaStore.Files.FileColumns.DATA,
+        )
+        val sortOrder = MediaStore.Files.FileColumns._ID + " DESC"
+        val queryUri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL)
+        } else {
+            MediaStore.Files.getContentUri("external")
+        }
+        val cursor = context.contentResolver.query(queryUri, projection, selection, null, sortOrder)
+        if (cursor != null) {
+            while (cursor.moveToNext()) {
+                delay(150)
+                val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA))
+                flow?.emit(path)
+                fileList.add(File(path))
+            }
+            cursor.close()
+        }
+        fileList
+    }
+
+fun queryFiles(context: Context, fileSuffix: String): MutableList<File> {
+    val selection = getFileTypeSelection(fileSuffix)
+    val fileList: MutableList<File> = ArrayList()
+    val projection = arrayOf(
+        MediaStore.Files.FileColumns._ID, MediaStore.Files.FileColumns.DATA,
+    )
+    val sortOrder = MediaStore.Files.FileColumns._ID + " DESC"
+    val queryUri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL)
+    } else {
+        MediaStore.Files.getContentUri("external")
+    }
+    val cursor = context.contentResolver.query(queryUri, projection, selection, null, sortOrder)
+    if (cursor != null) {
+        while (cursor.moveToNext()) {
+            val path = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns.DATA))
+            fileList.add(File(path))
+        }
+        cursor.close()
+    }
+    return fileList
+}
+
+fun getFileNameFromUri(context: Context, uri: Uri): String {
+    var displayName = ""
+    if (DocumentsContract.isDocumentUri(context, uri)) {
+        val projection = arrayOf(OpenableColumns.DISPLAY_NAME)
+        var cursor: Cursor? = null
+        try {
+            cursor = context.contentResolver.query(uri, projection, null, null, null)
+            val column_index = cursor!!.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME)
+            if (cursor.moveToFirst()) {
+                displayName = cursor.getString(column_index)
+            }
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        } finally {
+            cursor?.close()
+        }
+    }
+    return displayName
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/PdfBoxUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.drawable.BitmapDrawable
+import android.graphics.drawable.Drawable
+import android.net.Uri
+import com.base.pdfreaderallpdfreader.utils.UriUtils.readFileToByteArray
+import com.tom_roush.pdfbox.pdmodel.PDDocument
+import com.tom_roush.pdfbox.pdmodel.PDPage
+import com.tom_roush.pdfbox.pdmodel.PDPageContentStream
+import com.tom_roush.pdfbox.pdmodel.common.PDRectangle
+import com.tom_roush.pdfbox.pdmodel.encryption.AccessPermission
+import com.tom_roush.pdfbox.pdmodel.encryption.StandardProtectionPolicy
+import com.tom_roush.pdfbox.pdmodel.graphics.image.PDImageXObject
+import com.tom_roush.pdfbox.rendering.ImageType
+import com.tom_roush.pdfbox.rendering.PDFRenderer
+import com.tom_roush.pdfbox.rendering.RenderDestination
+import java.io.File
+import java.io.IOException
+
+
+object PdfBoxUtils {
+
+    private val TAG = "PdfUtils"
+
+    fun Context.getNumberOfPages(filePath: String, password: String? = null, uri: String? = null): Int {
+        val document =
+            loadPDDocument(path = filePath, password, uri)
+        return document.numberOfPages
+    }
+
+
+    fun Context.getPdfDrawablePage(
+        context: Context,
+        filePath: String,
+        password: String? = null,
+        uri: String? = null,
+        pageIndex: Int,
+        scale: Float = 1f,
+    ): Drawable {
+        val document = loadPDDocument(filePath, password, uri)
+        val renderer = PDFRenderer(document)
+
+        val bitmap: Bitmap = renderer.renderImage(pageIndex, scale, ImageType.RGB, RenderDestination.EXPORT)
+
+        val drawable = BitmapDrawable(context.resources, bitmap)
+
+        return drawable
+    }
+
+
+    fun Context.checkPdfEncryption(filePath: String = "", uri: String? = null): Int {
+        var state = 0
+        var pdfDocument: PDDocument? = null
+        try {
+            pdfDocument = loadPDDocument(filePath, null, uri)
+            pdfDocument.use { document ->
+                if (document.isEncrypted) {
+                    println("The PDF is encrypted.")
+                    val ap = document.getCurrentAccessPermission()
+                    if (ap.canExtractContent()) {
+                        println("You are allowed to extract content.")
+                    } else {
+                        state = 1
+                        println("You are not allowed to extract content.")
+                    }
+                    if (ap.canPrint()) {
+                        println("You are allowed to print the document.")
+                    } else {
+                        println("You are not allowed to print the document.")
+                        state = 1
+                    }
+                } else {
+                    println("The PDF is not encrypted.")
+                    state = 0
+                }
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
+            state = 1
+        } finally {
+            pdfDocument?.close()
+        }
+        return state
+    }
+
+
+    fun setPassword(
+        sourceFilePath: String,
+        userPassword: String,
+        ownerPassword: String
+    ): Boolean {
+
+        try {
+            PDDocument.load(File(sourceFilePath)).use { document ->
+                val ap = AccessPermission()
+                ap.setCanPrint(false)
+                ap.setCanModify(false)
+                ap.setCanExtractContent(false)
+                ap.setCanExtractForAccessibility(false)
+                ap.setCanFillInForm(false)
+                val spp = StandardProtectionPolicy(userPassword, ownerPassword, ap)
+                document.protect(spp)
+                document.save(File(sourceFilePath))
+                LogEx.logDebug(TAG, "setPassword finish")
+            }
+        } catch (e: Exception) {
+            LogEx.logDebug(TAG, "setPassword Exception ${e.printStackTrace()}")
+            e.printStackTrace()
+            return false
+        }
+        return true
+    }
+
+    fun clearPassword(filePath: String, password: String) {
+        try {
+            PDDocument.load(File(filePath), password).use { document ->
+                if (document.isEncrypted) {
+                    val ap: AccessPermission = document.getCurrentAccessPermission()
+                    if (ap.isOwnerPermission) {
+                        // 创建一个新的保护策略，不设置密码
+                        val spp = StandardProtectionPolicy(
+                            "", "",
+                            AccessPermission.getOwnerAccessPermission()
+                        )
+                        document.protect(spp)
+                    }
+                }
+                // 保存PDF文件到新的位置，没有密码保护
+                document.save(File(filePath))
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
+        }
+    }
+
+
+    fun Context.checkPwd(
+        filePath: String,
+        password: String,
+        uri: String? = null
+    ): Boolean {
+        try {
+            val pdfDocument = loadPDDocument(filePath, password, uri)
+            // 尝试使用提供的密码加载PDF文件
+            pdfDocument.use { document ->
+                // 如果没有抛出异常，说明密码正确
+                return true
+            }
+        } catch (e: Exception) {
+            // 加载文件时，如果密码保护策略异常，密码可能错误
+            println("Incorrect password or restricted permissions.")
+        } catch (e: IOException) {
+            // 其他I/O异常处理
+            println("An I/O error occurred: " + e.message)
+        }
+        return false
+    }
+
+    private fun Context.loadPDDocument(path: String, password: String?, uri: String? = null): PDDocument {
+        return if (uri == null) {
+            if (password == null) {
+                PDDocument.load(File(path))
+            } else {
+                PDDocument.load(File(path), password)
+            }
+        } else {
+            if (password == null) {
+                PDDocument.load(readFileToByteArray(this, Uri.parse(uri)) ?: byteArrayOf())
+
+            } else {
+                PDDocument.load(readFileToByteArray(this, Uri.parse(uri)) ?: byteArrayOf(), password)
+            }
+        }
+    }
+
+
+    fun saveNewPdf(imagePath: String, savePath: String) {
+        try {
+            PDDocument().use { document ->
+                // 添加一个页面
+                val page = PDPage(PDRectangle.A4)
+                document.addPage(page)
+
+                // 加载图片
+                val image = PDImageXObject.createFromFile(imagePath, document)
+
+                // 计算图片在页面中的位置和尺寸
+                val x = (PDRectangle.A4.width - image.width) / 2
+                val y = (PDRectangle.A4.height - image.height) / 2
+                PDPageContentStream(document, page).use { contentStream ->
+                    contentStream.drawImage(
+                        image,
+                        x,
+                        y,
+                        image.width.toFloat(),
+                        image.height.toFloat()
+                    )
+                }
+
+                // 保存PDF文档
+                document.save(savePath)
+            }
+        } catch (e: IOException) {
+            e.printStackTrace()
+        }
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/PermissionUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.Manifest
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.Settings
+import androidx.core.app.ActivityCompat
+
+object PermissionUtils {
+
+    fun Context.checkStorePermission(): Boolean {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            Environment.isExternalStorageManager()
+        } else {
+            val readPermission = ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
+            val writePermission = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
+            return readPermission == PackageManager.PERMISSION_GRANTED && writePermission == PackageManager.PERMISSION_GRANTED;
+        }
+    }
+
+    fun Context.checkNotificationPermission(): Boolean {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            ActivityCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED
+        } else {
+           return true
+        }
+    }
+
+    fun Context.requestStoragePermission(
+        launcher: ActivityLauncher,
+        jumpAction: (() -> Unit)? = null,
+        result: (flag: Boolean) -> Unit
+    ) {
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            val intent =
+                Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION)
+            intent.addCategory("android.intent.category.DEFAULT")
+            intent.data = Uri.parse("package:${packageName}")
+            jumpAction?.invoke()
+            launcher.launch(intent) {
+                result.invoke(checkStorePermission())
+            }
+        } else {
+            launcher.launch(arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { map ->
+                result(map.values.all { it })
+            }
+        }
+
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/SpStringUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+object SpStringUtils {
+    private val TAG = "SpStringUtils"
+
+    const val BOOKMARK_KEY = "bookmark_key"
+
+    //key=last_view_key value=/data/user/0/com.ttesst.gododo.redause/files/demo/DEMO.pdf_/_1728703007625
+    const val LAST_VIEW_KEY = "last_view_key"
+    fun getSpStringList(key: String): List<String> {
+        val sp = AppPreferences.getInstance().getString(key, "")
+        return if (sp.equals("")) {
+            listOf()
+        } else {
+            sp.split("|||")
+        }
+    }
+
+    fun addSpString(key: String, value: String) {
+        LogEx.logDebug(TAG, "key=$key value=$value")
+        val list = getSpStringList(key).toMutableList()
+        list.add(value)
+        val string = list.joinToString(separator = "|||")
+        AppPreferences.getInstance().put(key, string)
+    }
+
+    fun deleteSpString(key: String, value: String) {
+        val list = getSpStringList(key).toMutableList()
+        list.remove(value)
+        val string = list.joinToString(separator = "|||")
+        AppPreferences.getInstance().put(key, string)
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/UriUtils.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.content.Context
+import android.net.Uri
+import com.tom_roush.pdfbox.io.IOUtils
+import java.io.InputStream
+
+object UriUtils {
+
+    fun readFileToByteArray(context: Context, uri: Uri): ByteArray? {
+        var inputStream: InputStream? = null
+        return try {
+            inputStream = context.contentResolver.openInputStream(uri)
+            // 读取文件内容到字节数组
+            IOUtils.toByteArray(inputStream)
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+            null
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close()
+                } catch (e: java.lang.Exception) {
+                    e.printStackTrace()
+                }
+            }
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/utils/XmlEx.kt

+package com.base.pdfreaderallpdfreader.utils
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+
+object XmlEx {
+    fun Int.inflate(parent: ViewGroup, attachToRoot: Boolean = false): View {
+        return LayoutInflater.from(parent.context).inflate(this, parent, attachToRoot)
+    }
+
+    fun Int.inflate(context: Context, attachToRoot: Boolean = false): View {
+        return LayoutInflater.from(context).inflate(this, null, attachToRoot)
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/widget/FullScreenNavigationView.kt

+package com.base.pdfreaderallpdfreader.widget
+
+import android.app.Service
+import android.content.Context
+import android.util.AttributeSet
+import android.util.DisplayMetrics
+import android.view.WindowManager
+import androidx.drawerlayout.widget.DrawerLayout
+import com.google.android.material.navigation.NavigationView
+
+
+class FullScreenNavigationView : NavigationView {
+
+    constructor(context: Context) : super(context) {
+        initView(context)
+    }
+
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
+        initView(context)
+    }
+
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
+        initView(context)
+    }
+
+    private fun initView(context: Context) {
+        val vto = this.viewTreeObserver
+        vto.addOnGlobalLayoutListener { setFullScreenWidth(context) }
+    }
+
+    fun setFullScreenWidth(context: Context) {
+
+        val displayMetrics = DisplayMetrics()
+        val windowManager = context.getSystemService(Service.WINDOW_SERVICE) as WindowManager
+        windowManager.getDefaultDisplay().getMetrics(displayMetrics)
+        val screenWidth = displayMetrics.widthPixels
+        val params = this.layoutParams as DrawerLayout.LayoutParams
+        params.width = screenWidth
+        this.layoutParams = params
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfreaderallpdfreader/widget/XmlLottieAnimationView.kt

+package com.base.pdfreaderallpdfreader.widget
+
+import android.content.Context
+import android.graphics.Canvas
+import android.util.AttributeSet
+import com.airbnb.lottie.LottieAnimationView
+
+class XmlLottieAnimationView : LottieAnimationView {
+    constructor(context: Context?) : super(context)
+    constructor(context: Context?, attrs: AttributeSet?) : super(context, attrs)
+    constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+
+    override fun draw(canvas: Canvas) {
+
+        try {
+            super.draw(canvas)
+        } catch (e: Exception) {
+
+        }
+
+    }
+
+    override fun playAnimation() {
+        super.playAnimation()
+    }
+}
\ No newline at end of file

app/src/main/res/color/color_selector_nav.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="#58585A" android:state_selected="false" />
+    <item android:color="#4385F5" android:state_selected="true" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/bg_6eaaff_22.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:radius="22dp" />
+    <solid android:color="#6EAAFF" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_eafff3_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#EAFFF3" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_edf3ff_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#EDF3FF" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_efefef_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#EFEFEF" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_f6f6f6_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#F6F6F6" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_fff1ec_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#FFF1EC" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_ffffff_tlr15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/white" />
+    <corners
+        android:topLeftRadius="15dp"
+        android:topRightRadius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_selector_language.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:drawable="@mipmap/pdf_unchecked" android:state_selected="false" />
+    <item android:drawable="@mipmap/pdf_selected" android:state_selected="true" />
+
+</selector>
\ No newline at end of file

app/src/main/res/drawable/bg_tab_selector.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@mipmap/pdf_tab_select" android:state_selected="true" />
+    <item android:drawable="@mipmap/pdf_tab_unselect" android:state_selected="false" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/ic_launcher_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
\ No newline at end of file

app/src/main/res/drawable/ic_menu_camera.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0" />
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,2L7.17,4H4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2H9zm3,15c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z" />
+</vector>

app/src/main/res/drawable/ic_menu_gallery.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M22,16V4c0,-1.1 -0.9,-2 -2,-2H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zm-11,-4l2.03,2.71L16,11l4,5H8l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2H4V6H2z" />
+</vector>

app/src/main/res/drawable/ic_menu_slideshow.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z" />
+</vector>

app/src/main/res/drawable/indicator_bottom_line.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:radius="2dp" />
+    <solid android:color="@color/white" />
+    <!--    <gradient-->
+    <!--        android:endColor="#FAF8D1"-->
+    <!--        android:startColor="#FAD4E7"-->
+    <!--        android:type="linear" />-->
+</shape>
\ No newline at end of file

app/src/main/res/drawable/ripple_select.xml

+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+    android:color="#20000000">
+</ripple>
\ No newline at end of file

app/src/main/res/drawable/selector_bookmark.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@mipmap/h_tab_bookmark_n" android:state_selected="false" />
+    <item android:drawable="@mipmap/h_tab_bookmark_s" android:state_selected="true" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/selector_home.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@mipmap/h_tab_home_n" android:state_selected="false" />
+    <item android:drawable="@mipmap/h_tab_home_s" android:state_selected="true" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/selector_recent.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@mipmap/h_tab_recent_n" android:state_selected="false" />
+    <item android:drawable="@mipmap/h_tab_recent_s" android:state_selected="true" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/side_nav_bar.xml

+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="135"
+        android:centerColor="#009688"
+        android:endColor="#00695C"
+        android:startColor="#4DB6AC"
+        android:type="linear" />
+</shape>
\ No newline at end of file

app/src/main/res/layout/activity_document.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white"
+    tools:context=".ui.document.DocumentActivity">
+
+    <FrameLayout
+        android:id="@+id/fl_fanhui"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10sp"
+        android:layout_marginTop="24dp"
+        android:padding="8dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/pdf_arrow"
+            tools:ignore="ContentDescription" />
+    </FrameLayout>
+
+    <TextView
+        android:id="@+id/tv_tittle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:textColor="@color/black"
+        android:textSize="23sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+        app:layout_constraintStart_toEndOf="@id/fl_fanhui"
+        app:layout_constraintTop_toTopOf="@id/fl_fanhui"
+        tools:text="PDF Reader" />
+
+    <ImageView
+        android:id="@+id/iv_search"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="18dp"
+        android:src="@mipmap/h_sousuo"
+        app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/fl_fanhui"
+        tools:ignore="ContentDescription" />
+
+    <FrameLayout
+        android:id="@+id/fl_tab"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:background="@color/white"
+        app:layout_constraintTop_toBottomOf="@id/fl_fanhui">
+
+        <com.angcyo.tablayout.DslTabLayout
+            android:id="@+id/tabLayout_document"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            app:tab_badge_gravity="center"
+            app:tab_badge_offset_x="20dp"
+            app:tab_draw_indicator="true"
+            app:tab_enable_text_color="true"
+            app:tab_indicator_anim="true"
+            app:tab_indicator_drawable="@drawable/indicator_bottom_line"
+            app:tab_indicator_height="3dp"
+            app:tab_indicator_width="30dp"
+            app:tab_item_is_equ_width="true">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:background="@drawable/ripple_select"
+                android:clipChildren="false"
+                android:clipToPadding="false"
+                android:gravity="center"
+                android:text="All"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                tools:ignore="HardcodedText" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:background="@drawable/ripple_select"
+                android:clipChildren="false"
+                android:clipToPadding="false"
+                android:gravity="center"
+                android:text="PDF"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                tools:ignore="HardcodedText" />
+
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:background="@drawable/ripple_select"
+                android:clipChildren="false"
+                android:clipToPadding="false"
+                android:gravity="center"
+                android:paddingVertical="5dp"
+                android:text="Word"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                tools:ignore="HardcodedText" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:background="@drawable/ripple_select"
+                android:clipChildren="false"
+                android:clipToPadding="false"
+                android:gravity="center"
+                android:text="Excel"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                tools:ignore="HardcodedText" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:background="@drawable/ripple_select"
+                android:clipChildren="false"
+                android:clipToPadding="false"
+                android:gravity="center"
+                android:text="PPT"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                tools:ignore="HardcodedText" />
+
+        </com.angcyo.tablayout.DslTabLayout>
+    </FrameLayout>
+
+    <FrameLayout
+
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/fl_tab">
+
+        <androidx.viewpager2.widget.ViewPager2
+            android:id="@+id/viewPager2"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+
+
+    </FrameLayout>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/activity_language.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.language.LanguageActivity">
+
+    <FrameLayout
+        android:id="@+id/fl_fanhui"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10sp"
+        android:layout_marginTop="24dp"
+        android:padding="8dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/pdf_arrow" />
+    </FrameLayout>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:text="@string/select_language"
+        android:textColor="@color/black"
+        android:textSize="23sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+        app:layout_constraintStart_toEndOf="@id/fl_fanhui"
+        app:layout_constraintTop_toTopOf="@id/fl_fanhui" />
+
+    <ImageView
+        android:id="@+id/iv_right"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="20dp"
+        android:src="@mipmap/pdf_icon_right"
+        app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/fl_fanhui" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        app:layout_constraintTop_toBottomOf="@id/fl_fanhui"
+        tools:listitem="@layout/item_language_set" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/activity_main.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/drawer_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:openDrawer="start">
+
+    <include
+        android:id="@+id/include_main"
+        layout="@layout/layout_main"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <com.base.pdfreaderallpdfreader.widget.FullScreenNavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_gravity="start"
+        android:fitsSystemWindows="true">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:background="@color/white">
+
+            <FrameLayout
+                android:id="@+id/fl_fanhui"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10sp"
+                android:layout_marginTop="48dp"
+                android:padding="8dp"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent">
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:src="@mipmap/pdf_arrow"
+                    tools:ignore="ContentDescription" />
+            </FrameLayout>
+
+
+            <TextView
+                android:id="@+id/tv_pdf_reader"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textSize="23sp"
+                android:textStyle="bold"
+                app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+                app:layout_constraintStart_toEndOf="@id/fl_fanhui"
+                app:layout_constraintTop_toTopOf="@id/fl_fanhui"
+                tools:text="PDF Reader" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="28dp"
+                android:orientation="vertical"
+                app:layout_constraintTop_toBottomOf="@id/fl_fanhui">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="21dp"
+                    android:text="@string/general"
+                    android:textColor="#B1B3B9"
+                    android:textSize="13sp" />
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="16dp"
+                        android:src="@mipmap/pdf_file" />
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginHorizontal="15dp"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/file_manager"
+                            android:textColor="@color/black"
+                            android:textSize="15sp" />
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:layout_marginTop="8dp"
+                            android:text="@string/access_and_manage_your_documents"
+                            android:textColor="#929295"
+                            android:textSize="10sp" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginEnd="38dp"
+                        android:src="@mipmap/pdf_right" />
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="16dp"
+                        android:src="@mipmap/pdf_language" />
+
+                    <LinearLayout
+                        android:id="@+id/ll_language"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginHorizontal="15dp"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/language"
+                            android:textColor="@color/black"
+                            android:textSize="15sp" />
+
+                        <TextView
+                            android:id="@+id/tv_language"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:layout_marginTop="8dp"
+                            android:textColor="#929295"
+                            android:textSize="10sp" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginEnd="38dp"
+                        android:src="@mipmap/pdf_right" />
+
+                </LinearLayout>
+
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="21dp"
+                    android:layout_marginTop="36dp"
+                    android:text="Others"
+                    android:textColor="#B1B3B9"
+                    android:textSize="13sp" />
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="16dp"
+                        android:src="@mipmap/pdf_rate" />
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginHorizontal="15dp"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/rate_us"
+                            android:textColor="@color/black"
+                            android:textSize="15sp" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginEnd="38dp"
+                        android:src="@mipmap/pdf_right" />
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="16dp"
+                        android:src="@mipmap/pdf_share" />
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginHorizontal="15dp"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/share"
+                            android:textColor="@color/black"
+                            android:textSize="15sp" />
+
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginEnd="38dp"
+                        android:src="@mipmap/pdf_right" />
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="16dp"
+                        android:src="@mipmap/pdf_privacy" />
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginHorizontal="15dp"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/privacy_policy"
+                            android:textColor="@color/black"
+                            android:textSize="15sp" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginEnd="38dp"
+                        android:src="@mipmap/pdf_right" />
+
+                </LinearLayout>
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginVertical="10dp"
+                    android:orientation="horizontal">
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="16dp"
+                        android:src="@mipmap/pdf_feedback" />
+
+                    <LinearLayout
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginHorizontal="15dp"
+                        android:layout_weight="1"
+                        android:orientation="vertical">
+
+                        <TextView
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="Feedback"
+                            android:textColor="@color/black"
+                            android:textSize="15sp" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginEnd="38dp"
+                        android:src="@mipmap/pdf_right" />
+
+                </LinearLayout>
+
+
+            </LinearLayout>
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </com.base.pdfreaderallpdfreader.widget.FullScreenNavigationView>
+
+
+</androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file

app/src/main/res/layout/activity_search.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white"
+    tools:context=".ui.search.SearchActivity">
+
+    <FrameLayout
+        android:id="@+id/fl_fanhui"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="5dp"
+        android:layout_marginTop="24dp"
+        android:padding="15dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:src="@mipmap/pdf_arrow"
+            tools:ignore="ContentDescription" />
+    </FrameLayout>
+
+    <EditText
+        android:id="@+id/edit"
+        android:layout_width="0dp"
+        android:layout_height="45dp"
+        android:layout_marginStart="5dp"
+        android:layout_marginEnd="15dp"
+        android:background="@drawable/bg_efefef_15"
+        android:hint="@string/search_documents"
+        android:imeOptions="actionDone"
+        android:paddingStart="27dp"
+        android:singleLine="true"
+        android:textSize="15sp"
+        app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/fl_fanhui"
+        app:layout_constraintTop_toTopOf="@id/fl_fanhui"
+        tools:ignore="Autofill,RtlSymmetry,TextFields,TouchTargetSizeCheck" />
+
+    <com.angcyo.tablayout.DslTabLayout
+        android:id="@+id/tabLayout"
+        android:layout_width="match_parent"
+        android:layout_height="35dp"
+        android:layout_marginHorizontal="16dp"
+        android:layout_marginTop="18dp"
+        app:layout_constraintTop_toBottomOf="@id/fl_fanhui"
+        app:tab_deselect_color="#8F8F8F"
+        app:tab_divider_solid_color="@android:color/transparent"
+        app:tab_divider_width="30dp"
+        app:tab_draw_divider="true"
+        app:tab_enable_ico_color="false"
+        app:tab_indicator_style="STYLE_NONE"
+        app:tab_item_default_height="30dp"
+        app:tab_select_color="@color/white" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_marginVertical="18dp"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tabLayout"
+        tools:listitem="@layout/item_document" />
+
+    <LinearLayout
+        android:id="@+id/ll_empty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tabLayout"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@mipmap/r_pdf_no"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="8dp"
+            android:text="@string/no_recent"
+            android:textColor="#2A2A2A"
+            android:textSize="15sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/activity_splash.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white"
+    tools:context=".ui.splash.SplashActivity">
+
+    <ImageView
+        android:id="@+id/iv_logo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="220dp"
+        android:src="@mipmap/logox"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:id="@+id/tv_spanner"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:textSize="20sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/iv_logo"
+        tools:ignore="HardcodedText"
+        tools:text="AII PDF Reader" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="15dp"
+        android:text="@string/one_application_for_all_documents"
+        android:textColor="#8A8A8A"
+        android:textSize="12sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/tv_spanner" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/dialog_storage_permission.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/bg_ffffff_tlr15"
+    android:orientation="vertical">
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="16dp"
+        android:src="@mipmap/pdf_permissions"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="24dp"
+        android:text="@string/permission_required"
+        android:textColor="#333333"
+        android:textSize="17sp"
+        android:textStyle="bold"
+        tools:ignore="HardcodedText" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginHorizontal="40dp"
+        android:layout_marginTop="16dp"
+        android:gravity="center"
+        android:textColor="#666666"
+        android:textSize="15sp"
+        tools:ignore="HardcodedText"
+        tools:text="To read and edit documents on your device, please allow PDF Reader to access all your files" />
+
+    <TextView
+        android:id="@+id/tv_allow"
+        android:layout_width="338dp"
+        android:layout_height="48dp"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="20dp"
+        android:layout_marginBottom="34dp"
+        android:background="@drawable/bg_6eaaff_22"
+        android:gravity="center"
+        android:text="@string/allow"
+        android:textColor="@color/white"
+        android:textSize="18sp"
+        tools:ignore="HardcodedText" />
+
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_bookmark.xml

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.recent.RecentFragment">
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefreshLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rv"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            tools:listitem="@layout/item_document" />
+
+
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+
+    <LinearLayout
+        android:id="@+id/ll_empty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@mipmap/r_pdf_no"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="8dp"
+            android:text="@string/no_recent"
+            android:textColor="#2A2A2A"
+            android:textSize="15sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+</FrameLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_document.xml

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.document.DocumentFragment">
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefreshLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rv"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_marginVertical="16dp"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            tools:listitem="@layout/item_document" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+
+    <LinearLayout
+        android:id="@+id/ll_empty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@mipmap/r_pdf_no"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="8dp"
+            android:text="@string/no_document"
+            android:textColor="#2A2A2A"
+            android:textSize="15sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+
+</FrameLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_gallery.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.gallery.GalleryFragment">
+
+    <TextView
+        android:id="@+id/text_gallery"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:textAlignment="center"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_home.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.home.HomeFragment">
+
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/cl_pdf_reader"
+        android:layout_width="match_parent"
+        android:layout_height="121dp"
+        android:layout_marginHorizontal="15dp"
+        android:layout_marginTop="18dp"
+        android:background="@mipmap/h_background"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <TextView
+            android:id="@+id/tv_pdf"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="20dp"
+            android:layout_marginTop="24dp"
+            android:text="@string/pdf_reader"
+            android:textColor="#E20001"
+            android:textSize="20sp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/tv_view_edit"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/view_and_edit_fles"
+            android:textColor="#773636"
+            android:textSize="13sp"
+            app:layout_constraintStart_toStartOf="@id/tv_pdf"
+            app:layout_constraintTop_toBottomOf="@id/tv_pdf" />
+
+        <TextView
+            android:id="@+id/tv_file_number"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="#773636"
+            android:textSize="14sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="@id/tv_pdf"
+            app:layout_constraintTop_toBottomOf="@id/tv_view_edit"
+            tools:text="2 Files" />
+
+        <ImageView
+            android:id="@+id/iv_arrow"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:src="@mipmap/icon_r_arrow"
+            app:layout_constraintBottom_toBottomOf="@id/tv_file_number"
+            app:layout_constraintStart_toEndOf="@id/tv_file_number"
+            app:layout_constraintTop_toTopOf="@id/tv_file_number"
+            tools:ignore="ContentDescription" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <LinearLayout
+        android:id="@+id/ll_function"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="10dp"
+        android:layout_marginTop="10dp"
+        android:orientation="horizontal"
+        app:layout_constraintTop_toBottomOf="@id/cl_pdf_reader"
+        tools:ignore="DisableBaselineAlignment">
+
+
+        <LinearLayout
+            android:id="@+id/ll_edit_pdf"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="5dp"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@mipmap/h_edit_pdf"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="11dp"
+                android:text="Edit PDF"
+                android:textColor="#1E201E"
+                android:textSize="12sp"
+                tools:ignore="HardcodedText" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_merge_pdf"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="5dp"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@mipmap/h_merge_pdf"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="11dp"
+                android:text="Merge PDF"
+                android:textColor="#1E201E"
+                android:textSize="12sp"
+                tools:ignore="HardcodedText" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_split_pdf"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="5dp"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@mipmap/h_split_pdf"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="11dp"
+                android:text="Merge PDF"
+                android:textColor="#1E201E"
+                android:textSize="12sp"
+                tools:ignore="HardcodedText" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_lock_pdf"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="5dp"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@mipmap/h_lock_pdf"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="11dp"
+                android:text="Merge PDF"
+                android:textColor="#1E201E"
+                android:textSize="12sp"
+                tools:ignore="HardcodedText" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+
+    <TextView
+        android:id="@+id/tv_documents"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginTop="30dp"
+        android:text="@string/other_documents"
+        android:textColor="#B1B3B9"
+        android:textSize="13sp"
+        android:textStyle="bold"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/ll_function" />
+
+    <LinearLayout
+        android:id="@+id/ll_1"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="15dp"
+        android:layout_marginTop="16dp"
+        android:orientation="horizontal"
+        app:layout_constraintTop_toBottomOf="@id/tv_documents"
+        tools:ignore="DisableBaselineAlignment">
+
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="108dp"
+            android:layout_marginEnd="6dp"
+            android:layout_weight="1"
+            android:background="@drawable/bg_edf3ff_15"
+            android:orientation="vertical">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="20dp"
+                android:src="@mipmap/h_word"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:includeFontPadding="false"
+                android:text="@string/word_reader"
+                android:textColor="#1E201E"
+                android:textSize="14sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:textColor="#B1B3B9"
+                android:textSize="12sp"
+                tools:text="2 Files" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="108dp"
+            android:layout_marginStart="6dp"
+            android:layout_weight="1"
+            android:background="@drawable/bg_fff1ec_15"
+            android:orientation="vertical">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="20dp"
+                android:src="@mipmap/h_ppt"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:includeFontPadding="false"
+                android:text="@string/ppt_reader"
+                android:textColor="#1E201E"
+                android:textSize="14sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:textColor="#B1B3B9"
+                android:textSize="12sp"
+                tools:text="2 Files" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="15dp"
+        android:layout_marginTop="16dp"
+        android:orientation="horizontal"
+        app:layout_constraintTop_toBottomOf="@id/ll_1">
+
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="108dp"
+            android:layout_marginEnd="6dp"
+            android:layout_weight="1"
+            android:background="@drawable/bg_eafff3_15"
+            android:orientation="vertical">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="20dp"
+                android:src="@mipmap/h_excel"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:includeFontPadding="false"
+                android:text="@string/excel_reader"
+                android:textColor="#1E201E"
+                android:textSize="14sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:textColor="#B1B3B9"
+                android:textSize="12sp"
+                tools:text="2 Files" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="0dp"
+            android:layout_height="108dp"
+            android:layout_marginStart="6dp"
+            android:layout_weight="1"
+            android:background="@drawable/bg_f6f6f6_15"
+            android:orientation="vertical">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="20dp"
+                android:src="@mipmap/h_word"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:includeFontPadding="false"
+                android:text="@string/other_reader"
+                android:textColor="#1E201E"
+                android:textSize="14sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginTop="8dp"
+                android:textColor="#B1B3B9"
+                android:textSize="12sp"
+                tools:text="2 Files" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_permission.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".ui.main.PermissionFragment">
+
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="148dp"
+        android:src="@mipmap/pdf_permissions"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="18dp"
+        android:text="@string/permission_required"
+        android:textColor="@color/black"
+        android:textSize="18sp"
+        android:textStyle="bold" />
+
+    <TextView
+        android:id="@+id/tv_spanner"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="40dp"
+        android:layout_marginTop="20dp"
+        android:gravity="center"
+        android:textColor="#D3D6DE"
+        android:textSize="15sp"
+        tools:text="To read and edit documents on your device, please allow PDF Reader to access all your files" />
+
+    <TextView
+        android:id="@+id/tv_allow"
+        android:layout_width="match_parent"
+        android:layout_height="44dp"
+        android:layout_marginHorizontal="18dp"
+        android:layout_marginTop="30dp"
+        android:background="@drawable/bg_6eaaff_22"
+        android:gravity="center"
+        android:text="@string/allow"
+        android:textColor="@color/white"
+        android:textSize="15sp"
+        android:textStyle="bold" />
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_recent.xml

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.recent.RecentFragment">
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefreshLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:layout_width="match_parent"
+            android:id="@+id/rv"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+            tools:listitem="@layout/item_document" />
+
+
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+
+    <LinearLayout
+        android:id="@+id/ll_empty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:src="@mipmap/r_pdf_no"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="8dp"
+            android:text="@string/no_recent"
+            android:textColor="#2A2A2A"
+            android:textSize="15sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+</FrameLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_slideshow.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.slideshow.SlideshowFragment">
+
+    <TextView
+        android:id="@+id/text_slideshow"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:textAlignment="center"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/include_content_main.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior">
+
+    <fragment
+        android:id="@+id/nav_host_fragment_content_main"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/ll_bottom"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/mobile_navigation"
+        tools:ignore="FragmentTagUsage" />
+
+    <LinearLayout
+        android:id="@+id/ll_bottom"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toBottomOf="parent"
+        tools:ignore="DisableBaselineAlignment">
+
+
+        <LinearLayout
+            android:id="@+id/ll_home"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:paddingVertical="6dp"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/iv_home"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@drawable/selector_home"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:id="@+id/tv_home"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="5dp"
+                android:text="@string/home"
+                android:textColor="@color/color_selector_nav"
+                android:textSize="11sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_recent"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:paddingVertical="6dp"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/iv_recent"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@drawable/selector_recent"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:id="@+id/tv_recent"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="5dp"
+                android:text="@string/recent"
+                android:textColor="@color/color_selector_nav"
+                android:textSize="11sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_bookmark"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:paddingVertical="6dp"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/iv_bookmark"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@drawable/selector_bookmark"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:id="@+id/tv_bookmark"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="5dp"
+                android:text="@string/bookmark"
+                android:textColor="@color/color_selector_nav"
+                android:textSize="11sp" />
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <ImageView
+        android:id="@+id/iv_scan"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="18dp"
+        android:layout_marginBottom="50dp"
+        android:src="@mipmap/h_pdf_saoyisao"
+        app:layout_constraintBottom_toTopOf="@id/ll_bottom"
+        app:layout_constraintEnd_toEndOf="parent"
+        tools:ignore="ContentDescription" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/item_document.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="77dp">
+
+    <ImageView
+        android:id="@+id/iv_icon"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="18dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="ContentDescription"
+        tools:src="@mipmap/r_pdf" />
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="11dp"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@id/fl_more"
+        app:layout_constraintStart_toEndOf="@id/iv_icon"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <TextView
+            android:id="@+id/tv_name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:singleLine="true"
+            android:textColor="#222222"
+            android:textSize="15sp"
+            tools:text="Demo.pptx" />
+
+        <TextView
+            android:id="@+id/tv_info"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="6dp"
+            android:textColor="#59595A"
+            android:textSize="12sp"
+            tools:text="01-11-2024 213B" />
+    </LinearLayout>
+
+    <FrameLayout
+        android:id="@+id/fl_more"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:padding="16dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/iv_pdf_more"
+            tools:ignore="ContentDescription" />
+    </FrameLayout>
+
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_marginHorizontal="14dp"
+        android:background="#E9E9E9"
+        app:layout_constraintBottom_toBottomOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/item_language_set.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="60dp"
+    android:background="?android:attr/selectableItemBackground">
+
+
+    <TextView
+        android:id="@+id/tv_language"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="18dp"
+        android:textColor="@color/black"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="English" />
+
+
+    <ImageView
+        android:id="@+id/iv_selector"
+        android:layout_width="24dp"
+        android:layout_height="24dp"
+        android:layout_marginEnd="20dp"
+        android:src="@drawable/bg_selector_language"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="ContentDescription" />
+
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/item_tab_document.xml

+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/tv"
+    android:layout_width="68dp"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center_vertical"
+    android:background="@drawable/bg_tab_selector"
+    android:gravity="center"
+    android:includeFontPadding="false"
+    android:paddingHorizontal="10dp"
+    android:paddingVertical="5dp"
+    android:textSize="15sp"
+    tools:text="Latest" />

app/src/main/res/layout/layout_main.xml

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.MainActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/white"
+        android:theme="@style/Theme.PdfReaderAllPdfReader.AppBarOverlay">
+
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <ImageView
+                android:id="@+id/iv_menu"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="24dp"
+                android:layout_marginStart="16dp"
+                android:layout_marginTop="24dp"
+                android:importantForAccessibility="no"
+                android:src="@mipmap/h_pdf_menu"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <TextView
+                android:id="@+id/tv_tittle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="16dp"
+                android:textColor="@color/black"
+                android:textSize="23sp"
+                android:textStyle="bold"
+                app:layout_constraintBottom_toBottomOf="@id/iv_menu"
+                app:layout_constraintStart_toEndOf="@id/iv_menu"
+                app:layout_constraintTop_toTopOf="@+id/iv_menu"
+                tools:text="PDF Reader" />
+
+            <ImageView
+                android:id="@+id/iv_search"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="18dp"
+                android:src="@mipmap/h_sousuo"
+                app:layout_constraintBottom_toBottomOf="@id/iv_menu"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="@id/iv_menu"
+                tools:ignore="ContentDescription" />
+
+
+            <View
+                android:layout_width="match_parent"
+                android:layout_height="0.5dp"
+                android:background="#E6E6E6"
+                app:layout_constraintBottom_toBottomOf="parent" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include
+        android:id="@+id/include_content_main"
+        layout="@layout/include_content_main" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file

app/src/main/res/navigation/mobile_navigation.xml

+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/mobile_navigation"
+    app:startDestination="@+id/nav_homeFragment">
+
+    <fragment
+        android:id="@+id/nav_homeFragment"
+        android:name="com.base.pdfreaderallpdfreader.ui.main.home.HomeFragment"
+        tools:layout="@layout/fragment_home" />
+
+    <fragment
+        android:id="@+id/nav_recentFragment"
+        android:name="com.base.pdfreaderallpdfreader.ui.main.recent.RecentFragment"
+        tools:layout="@layout/fragment_recent" />
+    <fragment
+        android:id="@+id/nav_bookmarkFragment"
+        android:name="com.base.pdfreaderallpdfreader.ui.main.bookmark.BookmarkFragment"
+        tools:layout="@layout/fragment_bookmark" />
+
+</navigation>
\ No newline at end of file

app/src/main/res/values-land/dimens.xml

+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>
\ No newline at end of file

app/src/main/res/values-night/themes.xml

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.PdfReaderAllPdfReader" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>
\ No newline at end of file

app/src/main/res/values-w1240dp/dimens.xml

+<resources>
+    <dimen name="fab_margin">200dp</dimen>
+</resources>
\ No newline at end of file

app/src/main/res/values-w600dp/dimens.xml

+<resources>
+    <dimen name="fab_margin">48dp</dimen>
+</resources>
\ No newline at end of file

app/src/main/res/values/colors.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
\ No newline at end of file

app/src/main/res/values/dimens.xml

+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="nav_header_vertical_spacing">8dp</dimen>
+    <dimen name="nav_header_height">176dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
\ No newline at end of file

app/src/main/res/values/strings.xml

+<resources>
+    <string name="app_name">Pdf Reader All Pdf Reader</string>
+    <string name="one_application_for_all_documents">One application for all documents</string>
+
+    <string name="menu_home">Home</string>
+    <string name="menu_gallery">Gallery</string>
+    <string name="menu_slideshow">Slideshow</string>
+    <string name="pdf_reader">PDF Reader</string>
+    <string name="view_and_edit_fles">View and edit fles</string>
+    <string name="other_documents">Other Documents</string>
+    <string name="word_reader">Word Reader</string>
+    <string name="ppt_reader">PPT Reader</string>
+    <string name="excel_reader">Excel Reader</string>
+    <string name="other_reader">Other Reader</string>
+    <string name="home">Home</string>
+    <string name="recent">Recent</string>
+    <string name="bookmark">Bookmark</string>
+    <string name="general">General</string>
+    <string name="file_manager">File Manager</string>
+    <string name="access_and_manage_your_documents">Access and manage your documents</string>
+    <string name="language">Language</string>
+    <string name="english">English</string>
+    <string name="rate_us">Rate US</string>
+    <string name="share">Share</string>
+    <string name="privacy_policy">Privacy Policy</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+    <string name="follow_system">Follow System</string>
+    <string name="select_language">Select Language</string>
+    <string name="no_recent">No recent</string>
+    <string name="permission_required">Permission Required</string>
+    <string name="allow">Allow</string>
+    <string name="search_documents">Search Documents...</string>
+    <string name="no_document">No Document</string>
+</resources>
\ No newline at end of file

app/src/main/res/values/themes.xml

+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.PdfReaderAllPdfReader" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.PdfReaderAllPdfReader" parent="Base.Theme.PdfReaderAllPdfReader" />
+
+    <style name="Theme.PdfReaderAllPdfReader.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="Theme.PdfReaderAllPdfReader.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar">
+
+    </style>
+
+    <style name="Theme.PdfReaderAllPdfReader.PopupOverlay" parent="ThemeOverlay.AppCompat.Light">
+    </style>
+
+    <style name="BottomSheetDialog" parent="Theme.Design.Light.BottomSheetDialog">
+        <item name="bottomSheetStyle">@style/bottomSheetStyleWrapper</item>
+    </style>
+
+    <style name="bottomSheetStyleWrapper" parent="Widget.Design.BottomSheet.Modal">
+        <item name="android:background">@android:color/transparent</item>
+    </style>
+
+</resources>
\ No newline at end of file

app/src/main/res/xml/backup_rules.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>
\ No newline at end of file

app/src/main/res/xml/data_extraction_rules.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>
\ No newline at end of file

app/src/test/java/com/base/pdfreaderallpdfreader/ExampleUnitTest.kt

+package com.base.pdfreaderallpdfreader
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
\ No newline at end of file

build.gradle.kts

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    alias(libs.plugins.android.application) apply false
+    alias(libs.plugins.kotlin.android) apply false
+
+    id("com.google.gms.google-services") version "4.4.1" apply false
+    id("com.google.firebase.crashlytics") version "3.0.2" apply false
+}
\ No newline at end of file

gradle.properties

+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
\ No newline at end of file

gradle/libs.versions.toml

+[versions]
+agp = "8.6.0"
+kotlin = "1.9.0"
+coreKtx = "1.10.1"
+junit = "4.13.2"
+junitVersion = "1.1.5"
+espressoCore = "3.5.1"
+appcompat = "1.6.1"
+material = "1.10.0"
+activity = "1.8.0"
+constraintlayout = "2.1.4"
+lifecycleLivedataKtx = "2.6.1"
+lifecycleViewmodelKtx = "2.6.1"
+navigationFragmentKtx = "2.6.0"
+navigationUiKtx = "2.6.0"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
+androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+androidx-lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-livedata-ktx", version.ref = "lifecycleLivedataKtx" }
+androidx-lifecycle-viewmodel-ktx = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
+androidx-navigation-fragment-ktx = { group = "androidx.navigation", name = "navigation-fragment-ktx", version.ref = "navigationFragmentKtx" }
+androidx-navigation-ui-ktx = { group = "androidx.navigation", name = "navigation-ui-ktx", version.ref = "navigationUiKtx" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+

gradle/wrapper/gradle-wrapper.properties

+#Wed Nov 06 10:32:19 CST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle.kts

+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        maven("https://s01.oss.sonatype.org/content/groups/public")
+        maven("https://jitpack.io")
+        maven("https://android-sdk.is.com")
+        maven("https://dl-maven-android.mintegral.com/repository/mbridge_android_sdk_oversea")
+        maven("https://artifact.bytedance.com/repository/pangle")
+        maven("https://dl-maven-android.mintegral.com/repository/se_sdk_for_android/")
+    }
+}
+
+rootProject.name = "Pdf Reader All Pdf Reader"
+include(":app")
+ 
\ No newline at end of file