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)
+}
+
+android {
+    namespace = "com.base.pdfoneread"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.base.pdfoneread"
+        minSdk = 24
+        targetSdk = 34
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    buildFeatures {
+        viewBinding = true
+        buildConfig = true
+    }
+}
+
+dependencies {
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.material)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.swiperefreshlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    implementation("androidx.core:core-splashscreen:1.0.0-beta02")
+
+    val nav_version = "2.8.0"
+    // Views/Fragments Integration
+    implementation("androidx.navigation:navigation-fragment:$nav_version")
+    implementation("androidx.navigation:navigation-ui:$nav_version")
+
+    //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")
+
+}
\ 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/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.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <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" />
+
+    <application
+        android:name=".ui.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.PdfOneRead"
+        tools:targetApi="31">
+        <activity
+            android:name=".ui.document.DocumentActivity"
+            android:exported="false" />
+        <activity
+            android:name=".ui.splash.SystemStartActivity"
+            android:exported="true"
+            android:launchMode="singleTask"
+            android:screenOrientation="portrait"
+            android:theme="@style/Theme.App.Starting"
+            tools:ignore="DiscouragedApi,LockedOrientationActivity">
+            <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="true"
+            android:launchMode="singleTop"
+            android:screenOrientation="portrait"
+            tools:ignore="DiscouragedApi,LockedOrientationActivity" />
+    </application>
+
+</manifest>
\ No newline at end of file

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

+package com.base.pdfoneread.bean
+
+import com.base.pdfoneread.utils.AppPreferences
+
+object ConstObject {
+
+    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"
+
+    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)
+        }
+
+}
\ No newline at end of file

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

+package com.base.pdfoneread.bean
+
+import android.net.Uri
+
+data class DocumentBean(
+    var path: String = "",
+    var uri: Uri? = null,
+    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_ALL = "type_all"
+        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/pdfoneread/bean/GlobalDocumentData.kt

+package com.base.pdfoneread.bean
+
+/**
+ * 全局数据数据
+ */
+object GlobalDocumentData {
+
+    val GlobalPdfList = arrayListOf<DocumentBean>()
+    val GlobalWordList = arrayListOf<DocumentBean>()
+    var GlobalExcelList = arrayListOf<DocumentBean>()
+    var GlobalPptList = arrayListOf<DocumentBean>()
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/bean/HomeUIBean.kt

+package com.base.pdfoneread.bean
+
+import com.base.pdfoneread.R
+
+
+data class HomeUIBean(
+    val key: String = KEY_ALL,
+    val icon: Int = R.mipmap.h_pdf_all,
+    val des: String = "All",
+    var uiType: Int = UI_TYPE_GRID,
+    var fileNumber: Int = -1,
+) {
+    var isTittle: Boolean = false
+    var tittle: String = ""
+
+
+    companion object {
+
+        const val UI_TYPE_GRID = 0
+        const val UI_TYPE_LIST = 1
+        const val UI_TYPE_TITTLE = 2
+
+        const val KEY_ALL = "key_all"
+        const val KEY_PDF = "key_pdf"
+        const val KEY_WORD = "key_word"
+        const val KEY_EXCEL = "key_excel"
+        const val KEY_PPT = "key_ppt"
+
+        const val KEY_IMAGE_TO_PDF = "key_image_to_pdf"
+        const val KEY_MERGE_PDF = "key_merge_pdf"
+        const val KEY_SPLIT_PDF = "key_split_pdf"
+        const val KEY_LOCK_PDF = "key_lock_pdf"
+        const val KEY_UNLOCK_PDF = "key_unlock_pdf"
+        const val KEY_SCAN_PDF = "key_scan_pdf"
+        const val KEY_IMAGE_PDF = "key_image_pdf"
+    }
+}
\ No newline at end of file

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

+package com.base.pdfoneread.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/pdfoneread/helper/AESHelper.kt

+package com.base.pdfoneread.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 = "e7t5eq1u3m8nwo59"
+
+    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/pdfoneread/helper/ConfigHelper.kt

+package com.base.pdfoneread.helper
+
+
+
+object ConfigHelper {
+
+    const val privacyPolicy: String = "https://sites.google.com/view/editor-pdf/editor"
+//    const val termService: String = "https://sites.google.com/view/term-of-service-s/term-of-service"
+
+    // 正式包名
+    const val packageName = "com.leizi.pdftransformer"
+
+    // 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",
+//        MyStartActivity::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/pdfoneread/helper/EventHelper.kt

+package com.base.pdfoneread.helper
+
+import android.os.Build
+import com.base.pdfoneread.bean.ConstObject.ifAgreePrivacy
+import com.base.pdfoneread.helper.ReportUtils.doPost
+import com.base.pdfoneread.utils.AppPreferences
+import com.base.pdfoneread.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/pdfoneread/helper/ReportUtils.java

+package com.base.pdfoneread.helper;
+
+import android.text.TextUtils;
+
+import com.base.pdfoneread.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/pdfoneread/ui/BaseActivity.kt

+package com.base.pdfoneread.ui
+
+import android.app.Dialog
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.viewbinding.ViewBinding
+import com.base.pdfoneread.helper.EventHelper
+import com.base.pdfoneread.ui.main.MainActivity
+import com.base.pdfoneread.utils.ActivityLauncher
+import com.base.pdfoneread.utils.ActivityManagerUtils
+
+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()
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/MyApplication.kt

+package com.base.pdfoneread.ui
+
+import android.app.Application
+
+class MyApplication : Application() {
+
+
+    companion object {
+        lateinit var appContext: MyApplication
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        appContext = this
+    }
+}
\ No newline at end of file

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

+package com.base.pdfoneread.ui.document
+
+import com.base.pdfoneread.databinding.ActivityDocumentBinding
+import com.base.pdfoneread.ui.BaseActivity
+
+class DocumentActivity : BaseActivity<ActivityDocumentBinding>() {
+
+    var type: String = ""
+
+    override val binding: ActivityDocumentBinding by lazy {
+        ActivityDocumentBinding.inflate(layoutInflater)
+    }
+
+    override fun initView() {
+        type = intent.extras?.getString("type") ?: ""
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/document/DocumentEx.kt

+//package com.base.pdfoneread.ui.document
+//
+//import android.content.Context
+//import android.media.MediaScannerConnection
+//import android.net.Uri
+//import android.os.Environment
+//import com.base.pdfoneread.ui.MyApplication.Companion.appContext
+//import com.base.pdfoneread.bean.ConstObject
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_DOC
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_DOCX
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_PDF
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_PPT
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_PPTX
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_XLS
+//import com.base.pdfoneread.bean.ConstObject.MIME_TYPE_XLSX
+//import com.base.pdfoneread.bean.DocumentBean
+//import com.base.pdfoneread.bean.DocumentBean.Companion.TYPE_EXCEL
+//import com.base.pdfoneread.bean.DocumentBean.Companion.TYPE_PDF
+//import com.base.pdfoneread.bean.DocumentBean.Companion.TYPE_PPT
+//import com.base.pdfoneread.bean.DocumentBean.Companion.TYPE_WORD
+//import com.base.pdfoneread.utils.AssetUtils.readByteArrayFromAsset
+//import com.base.pdfoneread.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 getDocumentAppDir(): File {
+//    val appDir = File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS), appContext.packageName)
+//    if (!appDir.exists())
+//        appDir.exists()
+//    return appDir
+//}
+//
+//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 getPdfFastSize(context: Context): Int {
+//    val selectionArgs = arrayOf(
+//        MIME_TYPE_PDF
+//    )
+//    val list = context.getMediaFile(selectionArgs = selectionArgs)
+//    var size = list.size
+//    val pdfDemo = getPdfDemo(context)
+//    if (File(pdfDemo.path).exists()) {
+//        size += 1
+//    }
+//    return size
+//}
+//
+//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")) {
+//        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_PDF
+//    }
+//}
+//
+//fun saveBookmarkChange(addRemove: Boolean, path: String) {
+//    if (addRemove) {
+//        SpStringUtils.addSpString(BOOKMARK_KEY, path)
+//    } else {
+//        SpStringUtils.deleteSpString(BOOKMARK_KEY, path)
+//    }
+//}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/main/HomeAdapter.kt

+package com.base.pdfoneread.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.pdfoneread.R
+import com.base.pdfoneread.databinding.ItemHomeGridBinding
+import com.base.pdfoneread.databinding.ItemHomeListBinding
+import com.base.pdfoneread.databinding.ItemTittleHomeBinding
+import com.base.pdfoneread.bean.HomeUIBean
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_GRID
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_LIST
+import com.base.pdfoneread.utils.XmlEx.inflate
+import com.chad.library.adapter4.BaseQuickAdapter
+
+class HomeAdapter() : BaseQuickAdapter<HomeUIBean, HomeAdapter.HomeUIBeanViewHolder>() {
+
+    inner class HomeUIBeanViewHolder(view: View) : ViewHolder(view)
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: HomeUIBeanViewHolder, position: Int, item: HomeUIBean?) {
+        item ?: return
+        when (item.uiType) {
+            UI_TYPE_GRID -> {
+                val binding = ItemHomeGridBinding.bind(holder.itemView)
+                binding.ivIcon.setImageResource(item.icon)
+                binding.tvDes.text = item.des
+                if (item.fileNumber != -1) {
+                    binding.tvFileNumber.text = "${item.fileNumber} files"
+                }
+            }
+
+            UI_TYPE_LIST -> {
+                val binding = ItemHomeListBinding.bind(holder.itemView)
+                binding.ivIcon.setImageResource(item.icon)
+                binding.tvDes.text = item.des
+                if (item.fileNumber != -1) {
+                    binding.tvFileNumber.text = "${item.fileNumber} files"
+                }
+            }
+
+            else -> {
+                val binding = ItemTittleHomeBinding.bind(holder.itemView)
+                binding.tvTittle.text = item.tittle
+            }
+        }
+    }
+
+    override fun getItemViewType(position: Int, list: List<HomeUIBean>): Int {
+        return list[position].uiType
+    }
+
+    override fun onCreateViewHolder(context: Context, parent: ViewGroup, viewType: Int): HomeUIBeanViewHolder {
+
+        val layout = when (viewType) {
+            UI_TYPE_GRID -> R.layout.item_home_grid
+            UI_TYPE_LIST -> R.layout.item_home_list
+            else -> R.layout.item_tittle_home
+        }
+
+        return HomeUIBeanViewHolder(layout.inflate(parent))
+    }
+
+}

app/src/main/java/com/base/pdfoneread/ui/main/HomeFragment.kt

+package com.base.pdfoneread.ui.main
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.recyclerview.widget.GridLayoutManager
+import com.base.pdfoneread.R
+import com.base.pdfoneread.databinding.FragmentHomeBinding
+import com.base.pdfoneread.bean.HomeUIBean
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_ALL
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_EXCEL
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_IMAGE_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_IMAGE_TO_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_LOCK_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_MERGE_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_PPT
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_SCAN_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_SPLIT_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_UNLOCK_PDF
+import com.base.pdfoneread.bean.HomeUIBean.Companion.KEY_WORD
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_GRID
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_LIST
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_TITTLE
+
+
+class HomeFragment() : Fragment() {
+
+    private lateinit var binding: FragmentHomeBinding
+    private val adapter: HomeAdapter = HomeAdapter()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+
+        binding = FragmentHomeBinding.inflate(layoutInflater)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        val gridLayoutManager = GridLayoutManager(requireContext(), 4)
+        gridLayoutManager.spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
+            override fun getSpanSize(position: Int): Int {
+                val item = groupList[position]
+                return if (item.uiType == UI_TYPE_LIST) 4 else if (item.isTittle) 4 else 1
+            }
+
+        }
+        binding.rv.layoutManager = gridLayoutManager
+        binding.rv.adapter = adapter
+        adapter.submitList(groupList)
+
+        binding.swipeRefreshLayout.setOnRefreshListener {
+            refreshData()
+        }
+    }
+
+    private fun refreshData() {
+
+    }
+
+
+    fun changeUIByMain() {
+        val activity = requireActivity() as MainActivity?
+        activity ?: return
+        if (activity.homeUiType == UI_TYPE_GRID) {
+            changeGridUI()
+        } else {
+            changeListUI()
+        }
+    }
+
+    private fun changeGridUI() {
+        groupList.forEach {
+            if (it.isTittle) {
+                it.uiType = UI_TYPE_TITTLE
+            } else {
+                it.uiType = UI_TYPE_GRID
+            }
+        }
+        adapter.submitList(groupList)
+    }
+
+    private fun changeListUI() {
+        groupList.forEach {
+            if (it.isTittle) {
+                it.uiType = UI_TYPE_TITTLE
+            } else {
+                it.uiType = UI_TYPE_LIST
+            }
+        }
+        adapter.submitList(groupList)
+    }
+
+    companion object {
+        val groupList = listOf(
+            HomeUIBean(uiType = UI_TYPE_TITTLE).apply {
+                isTittle = true
+                tittle = "Document"
+
+            },
+            HomeUIBean(KEY_ALL, R.mipmap.h_pdf_all, "All"),
+            HomeUIBean(KEY_PDF, R.mipmap.h_pdf_pdf, "PDF"),
+            HomeUIBean(KEY_WORD, R.mipmap.h_pdf_word, "Word"),
+            HomeUIBean(KEY_EXCEL, R.mipmap.h_pdf_excel, "Excel"),
+            HomeUIBean(KEY_PPT, R.mipmap.h_pdf_ppt, "PPT"),
+
+            HomeUIBean(uiType = UI_TYPE_TITTLE).apply {
+                isTittle = true
+                tittle = "Tools"
+            },
+
+            HomeUIBean(KEY_IMAGE_TO_PDF, R.mipmap.h_pdf_edit, "Image to PDF"),
+            HomeUIBean(KEY_MERGE_PDF, R.mipmap.h_pdf_merge, "Merge PDF"),
+            HomeUIBean(KEY_SPLIT_PDF, R.mipmap.h_pdf_split, "Split PDF"),
+            HomeUIBean(KEY_LOCK_PDF, R.mipmap.h_pdf_lock, "Lock PDF"),
+            HomeUIBean(KEY_UNLOCK_PDF, R.mipmap.h_pdf_unlock, "UnLock PDF"),
+            HomeUIBean(KEY_SCAN_PDF, R.mipmap.h_pdf_scan, "Scan PDF"),
+            HomeUIBean(KEY_IMAGE_PDF, R.mipmap.h_pdf_image, "Image PDF"),
+        )
+    }
+}
\ No newline at end of file

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

+package com.base.pdfoneread.ui.main
+
+import android.annotation.SuppressLint
+import android.graphics.Color
+import androidx.core.view.updatePadding
+import androidx.fragment.app.Fragment
+import androidx.navigation.NavController
+import androidx.navigation.fragment.NavHostFragment
+import com.base.pdfoneread.R
+import com.base.pdfoneread.databinding.ActivityMainBinding
+import com.base.pdfoneread.ui.BaseActivity
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_GRID
+import com.base.pdfoneread.bean.HomeUIBean.Companion.UI_TYPE_LIST
+import com.base.pdfoneread.utils.BarUtils
+import com.base.pdfoneread.utils.SpannableUtils.colorSpanner
+
+class MainActivity : BaseActivity<ActivityMainBinding>() {
+
+    override val binding: ActivityMainBinding by lazy {
+        ActivityMainBinding.inflate(layoutInflater)
+    }
+
+    var homeUiType = UI_TYPE_GRID
+
+    private lateinit var navController: NavController
+
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.WHITE)
+        binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
+
+
+
+        val navHostFragment =
+            supportFragmentManager.findFragmentById(R.id.nav_host_container) as NavHostFragment
+        navController = navHostFragment.navController
+
+        changeHomeRvIcon()
+    }
+
+    override fun initListener() {
+        super.initListener()
+
+        binding.llHome.setOnClickListener {
+            changeHomeUI()
+        }
+        binding.llHome.callOnClick()
+
+        binding.llRecent.setOnClickListener {
+            changeRecentUI()
+        }
+        binding.llSetting.setOnClickListener {
+            changeSettingUI()
+        }
+        binding.flRvMode.setOnClickListener {
+            val currentFragment = getNavCurrentFragment()
+            if (currentFragment is HomeFragment) {
+                if (homeUiType == UI_TYPE_GRID) {
+                    homeUiType = UI_TYPE_LIST
+                } else {
+                    homeUiType = UI_TYPE_GRID
+                }
+                changeHomeRvIcon()
+                currentFragment.changeUIByMain()
+            }
+        }
+    }
+
+    private fun changeHomeRvIcon() {
+        if (homeUiType == UI_TYPE_LIST) {
+            binding.ivRvMode.setImageResource(R.mipmap.h_pdf_grid)
+        } else {
+            binding.ivRvMode.setImageResource(R.mipmap.h_pdf_list)
+        }
+    }
+
+    fun getNavCurrentFragment(): Fragment? {
+        val navHostFragment: Fragment = binding.navHostContainer.getFragment()
+        val currentFragment = navHostFragment.childFragmentManager.primaryNavigationFragment
+        return currentFragment
+    }
+
+    private fun disSelectTab() {
+        binding.ivHome.isSelected = false
+        binding.tvHome.isSelected = false
+        binding.ivRecent.isSelected = false
+        binding.tvRecent.isSelected = false
+        binding.ivSetting.isSelected = false
+        binding.tvSetting.isSelected = false
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun changeHomeUI() {
+        disSelectTab()
+        binding.ivHome.isSelected = true
+        binding.tvHome.isSelected = true
+
+        val appName = resources.getString(R.string.app_name)
+        binding.tvTittle.text = colorSpanner(appName, Color.parseColor("#FD1010"), 0, 3)
+        navController.popBackStack()
+        navController.navigate(R.id.homeFragment)
+    }
+
+
+    private fun changeRecentUI() {
+        disSelectTab()
+        binding.ivRecent.isSelected = true
+        binding.tvRecent.isSelected = true
+
+        binding.tvTittle.text = resources.getString(R.string.recent)
+        navController.popBackStack()
+        navController.navigate(R.id.recentFragment)
+    }
+
+    private fun changeSettingUI() {
+        disSelectTab()
+        binding.ivSetting.isSelected = true
+        binding.tvSetting.isSelected = true
+
+        binding.tvTittle.text = resources.getString(R.string.settings)
+        navController.popBackStack()
+        navController.navigate(R.id.settingFragment)
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/main/RecentFragment.kt

+package com.base.pdfoneread.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.pdfoneread.R
+
+
+class RecentFragment() : Fragment() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_recent, container, false)
+    }
+
+    companion object {
+
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/main/SettingFragment.kt

+package com.base.pdfoneread.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.pdfoneread.R
+
+
+class SettingFragment : Fragment() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_setting, container, false)
+    }
+
+    companion object {
+
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/splash/SystemStartActivity.kt

+package com.base.pdfoneread.ui.splash
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
+import com.base.pdfoneread.ui.main.MainActivity
+import com.base.pdfoneread.utils.LogEx
+import java.util.concurrent.atomic.AtomicBoolean
+
+/**
+ * 适配官方启动页
+ * https://cloud.tencent.com/developer/ask/sof/915280
+ */
+class SystemStartActivity : AppCompatActivity() {
+
+    private val TAG = "SystemStartActivity"
+
+    // 数据
+    private var mKeepOnAtomicBool = AtomicBoolean(true)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        // 初始化操作(必须放在setContentView()之前)
+        val splashScreen = installSplashScreen()
+        super.onCreate(savedInstanceState)
+        // setContentView（可以省略）
+//        setContentView(R.layout.activity_system_start)
+
+        // 每次UI绘制前，会判断 Splash 是否有必要继续展示在屏幕上；直到不再满足条件时，隐藏Splash。
+        splashScreen.setKeepOnScreenCondition {
+            mKeepOnAtomicBool.get()
+        }
+        LogEx.logDebug(TAG, "setKeepOnScreenCondition...")
+        startActivity(Intent(this@SystemStartActivity, MainActivity::class.java))
+        this@SystemStartActivity.finish()
+        overridePendingTransition(0, 0)
+        mKeepOnAtomicBool.compareAndSet(true, false)
+
+        // Splash动画展示完毕的监听方法,无动画不用
+//        splashScreen.setOnExitAnimationListener(object : SplashScreen.OnExitAnimationListener {
+//            override fun onSplashScreenExit(splashScreenViewProvider: SplashScreenViewProvider) {
+//                LogEx.logDebug(TAG, "onSplashScreenExit")
+//                startActivity(Intent(this@SystemStartActivity, MyStartActivity::class.java))
+//                this@SystemStartActivity.finish()
+//                overridePendingTransition(0, 0)
+//                mKeepOnAtomicBool.compareAndSet(true, false)
+//            }
+//        })
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/ui/views/MainDialog.kt

+package com.base.pdfoneread.ui.views
+
+import android.content.Context
+import android.graphics.Color
+import android.text.SpannableString
+import android.text.Spanned
+import android.text.style.ForegroundColorSpan
+import android.view.LayoutInflater
+import android.view.View
+import com.base.pdfoneread.R
+import com.base.pdfoneread.utils.ActivityLauncher
+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()
+//        }
+//        val text = "To read and edit documents on your device, please allow PDF Reader to access all your files"
+//        val redText = "PDF Reader"
+//        val spannableString = SpannableString(text)
+//        val startIndex = text.indexOf(redText)
+//        val endIndex = startIndex + redText.length
+//
+//        spannableString.setSpan(
+//            ForegroundColorSpan(Color.parseColor("#6DA9FD")),
+//            startIndex,
+//            endIndex,
+//            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
+//        )
+//        binding.tvTip.text = spannableString
+//
+//        return dialog
+//
+//    }
+}
\ No newline at end of file

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

+package com.base.pdfoneread.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/pdfoneread/utils/ActivityManagerUtils.java

+package com.base.pdfoneread.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/pdfoneread/utils/AppPreferences.java

+package com.base.pdfoneread.utils;
+
+import static com.base.pdfoneread.ui.MyApplication.appContext;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.SharedPreferences;
+
+
+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(appContext.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/pdfoneread/utils/AssetUtils.kt

+package com.base.pdfoneread.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/pdfoneread/utils/BarUtils.kt

+package com.base.pdfoneread.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/pdfoneread/utils/LogEx.kt

+package com.base.pdfoneread.utils
+
+import android.util.Log
+
+object LogEx {
+    val isOpen = true
+    val filterTAG = arrayOf(
+        "",
+//        "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/pdfoneread/utils/PdfBoxUtils.kt

+//package com.base.pdfoneread.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.tom_roush.pdfbox.rendering.RenderDestination
+//import java.io.File
+//import java.io.IOException
+//
+//
+//object PdfBoxUtils {
+//
+//    private val TAG = "PdfUtils"
+//
+//    fun getNumberOfPages(context: Context, filePath: String, password: String? = null, uri: String? = null): Int {
+//        val document = context.loadPDDocument(path = filePath, password, uri)
+//        return document.numberOfPages
+//    }
+//
+//
+//    fun getPdfDrawablePage(
+//        context: Context,
+//        filePath: String,
+//        password: String? = null,
+//        uri: String? = null,
+//        pageIndex: Int,
+//        scale: Float = 1f,
+//    ): Drawable {
+//        val document = context.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/pdfoneread/utils/SpannableUtils.kt

+package com.base.pdfoneread.utils
+
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.style.ForegroundColorSpan
+import androidx.annotation.ColorInt
+
+object SpannableUtils {
+
+    fun colorSpanner(string: String, @ColorInt color: Int, start: Int, end: Int): SpannableString {
+        val spannableString = SpannableString(string)
+        spannableString.setSpan(ForegroundColorSpan(color), start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE)
+        return spannableString
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/pdfoneread/utils/ToastUtils.kt

+package com.base.pdfoneread.utils
+
+import android.content.Context
+import android.widget.Toast
+
+object ToastUtils {
+    fun Context.toast(content: String) {
+        Toast.makeText(this, content, Toast.LENGTH_SHORT).show()
+    }
+}
\ No newline at end of file

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

+package com.base.pdfoneread.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/res/color/color_selector_tab.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:color="#FF1010" android:state_selected="true" />
+    <item android:color="#8E95A0" android:state_selected="false" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/bg_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_tob_home_s" android:state_selected="true" />
+    <item android:drawable="@mipmap/h_tob_home_n" android:state_selected="false" />
+</selector>
\ No newline at end of file

app/src/main/res/drawable/bg_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_tob_time_s" android:state_selected="true" />
+    <item android:drawable="@mipmap/h_tob_time_n" android:state_selected="false" />
+</selector>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@mipmap/h_tob_settings_s" android:state_selected="true" />
+    <item android:drawable="@mipmap/h_tob_settings_n" 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/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"
+    tools:context=".ui.document.DocumentActivity">
+
+</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.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.main.MainActivity">
+
+    <androidx.cardview.widget.CardView
+        android:id="@+id/card_top"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/cl_top"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <TextView
+                android:id="@+id/tv_tittle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="24dp"
+                android:layout_marginStart="24dp"
+                android:textColor="@color/black"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:text="One Read" />
+
+
+            <FrameLayout
+                android:id="@+id/fl_search"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="15dp"
+                app:layout_constraintBottom_toBottomOf="@id/tv_tittle"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="@id/tv_tittle">
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:src="@mipmap/h_search"
+                    tools:ignore="ContentDescription" />
+            </FrameLayout>
+
+
+            <FrameLayout
+                android:id="@+id/fl_rv_mode"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="15dp"
+                app:layout_constraintBottom_toBottomOf="@id/tv_tittle"
+                app:layout_constraintEnd_toStartOf="@id/fl_search"
+                app:layout_constraintTop_toTopOf="@id/tv_tittle">
+
+                <ImageView
+                    android:id="@+id/iv_rv_mode"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:src="@mipmap/h_pdf_grid"
+                    tools:ignore="ContentDescription" />
+
+            </FrameLayout>
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    </androidx.cardview.widget.CardView>
+
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/nav_host_container"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@id/ll_bottom"
+        app:layout_constraintTop_toBottomOf="@id/card_top"
+        app:navGraph="@navigation/nav_main" />
+
+    <LinearLayout
+        android:id="@+id/ll_bottom"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="60dp"
+        android:baselineAligned="false"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toBottomOf="parent">
+
+        <LinearLayout
+            android:id="@+id/ll_home"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp"
+            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/bg_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="6dp"
+                android:text="@string/home"
+                android:textColor="@color/color_selector_tab" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_recent"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp"
+            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/bg_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="6dp"
+                android:text="@string/recent"
+                android:textColor="@color/color_selector_tab" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_setting"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:id="@+id/iv_setting"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:src="@drawable/bg_selector_setting"
+                tools:ignore="ContentDescription" />
+
+            <TextView
+                android:id="@+id/tv_setting"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_horizontal"
+                android:layout_marginTop="6dp"
+                android:text="@string/settings"
+                android:textColor="@color/color_selector_tab" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</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"?>
+<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"
+    android:background="@color/white"
+    tools:context=".ui.main.HomeFragment">
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefreshLayout"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="center_horizontal">
+
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rv"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+            app:spanCount="4"
+            tools:listitem="@layout/item_home_grid" />
+
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+
+</FrameLayout>
\ 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:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.main.RecentFragment">
+
+</FrameLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_setting.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:background="@color/white"
+    android:orientation="vertical"
+    tools:context=".ui.main.SettingFragment">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginVertical="20dp"
+            android:layout_marginStart="24dp"
+            android:src="@mipmap/s_pdf_file"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginHorizontal="28dp"
+            android:layout_weight="1"
+            android:text="@string/file_manager"
+            android:textColor="@color/black"
+            android:textSize="14sp"
+            android:textStyle="bold" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|end"
+            android:layout_marginEnd="38dp"
+            android:src="@mipmap/h_pdf__right"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginVertical="20dp"
+            android:layout_marginStart="24dp"
+            android:src="@mipmap/s_pdf_set"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginHorizontal="28dp"
+            android:layout_weight="1"
+            android:text="@string/set_as_default"
+            android:textColor="@color/black"
+            android:textSize="14sp"
+            android:textStyle="bold" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|end"
+            android:layout_marginEnd="38dp"
+            android:src="@mipmap/h_pdf__right"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginVertical="20dp"
+            android:layout_marginStart="24dp"
+            android:src="@mipmap/s_pdf_ev"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginHorizontal="28dp"
+            android:layout_weight="1"
+            android:text="@string/evaluage_options"
+            android:textColor="@color/black"
+            android:textSize="14sp"
+            android:textStyle="bold" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|end"
+            android:layout_marginEnd="38dp"
+            android:src="@mipmap/h_pdf__right"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginVertical="20dp"
+            android:layout_marginStart="24dp"
+            android:src="@mipmap/s_pdf_feedback"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginHorizontal="28dp"
+            android:layout_weight="1"
+            android:text="@string/feedback"
+            android:textColor="@color/black"
+            android:textSize="14sp"
+            android:textStyle="bold" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|end"
+            android:layout_marginEnd="38dp"
+            android:src="@mipmap/h_pdf__right"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginVertical="20dp"
+            android:layout_marginStart="24dp"
+            android:src="@mipmap/s_pdf_privacy"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginHorizontal="28dp"
+            android:layout_weight="1"
+            android:text="@string/privacy_policy"
+            android:textColor="@color/black"
+            android:textSize="14sp"
+            android:textStyle="bold" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical|end"
+            android:layout_marginEnd="38dp"
+            android:src="@mipmap/h_pdf__right"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+
+</LinearLayout>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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="wrap_content"
+    android:orientation="vertical">
+
+    <ImageView
+        android:id="@+id/iv_icon"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="8dp"
+        tools:ignore="ContentDescription"
+        tools:src="@mipmap/h_pdf_all" />
+
+    <TextView
+        android:id="@+id/tv_des"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:textColor="@color/black"
+        android:textSize="12sp"
+        android:textStyle="bold"
+        tools:text="All" />
+
+    <TextView
+        android:id="@+id/tv_file_number"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginBottom="8dp"
+        android:visibility="gone"
+        tools:text="35 files" />
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/item_home_list.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="wrap_content">
+
+    <ImageView
+        android:id="@+id/iv_icon"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginVertical="16dp"
+        android:layout_marginStart="21dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="ContentDescription"
+        tools:src="@mipmap/h_pdf_all" />
+
+    <LinearLayout
+
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="30dp"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="@id/iv_icon"
+        app:layout_constraintEnd_toStartOf="@id/iv_arrow"
+        app:layout_constraintStart_toEndOf="@id/iv_icon"
+        app:layout_constraintTop_toTopOf="@id/iv_icon">
+
+        <TextView
+            android:id="@+id/tv_des"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textColor="@color/black"
+            android:textSize="16sp"
+            tools:text="All" />
+
+        <TextView
+            android:id="@+id/tv_file_number"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="5dp"
+            android:textColor="#979DA7"
+            android:textSize="14sp"
+            tools:ignore="HardcodedText"
+            tools:text="43 files" />
+
+    </LinearLayout>
+
+    <ImageView
+        android:id="@+id/iv_arrow"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="32dp"
+        android:src="@mipmap/h_pdf__right"
+        app:layout_constraintBottom_toBottomOf="@id/iv_icon"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/iv_icon"
+        tools:ignore="ContentDescription" />
+
+
+    <View
+        android:layout_width="0dp"
+        android:layout_height="0.25dp"
+        android:layout_marginStart="40dp"
+        android:layout_marginEnd="15dp"
+        android:background="#C4C4C4"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+</androidx.recyclerview.widget.RecyclerView>
\ No newline at end of file

app/src/main/res/layout/item_tittle_home.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:layout_width="match_parent"
+    android:id="@+id/tv_tittle"
+    android:layout_height="wrap_content"
+    android:layout_marginHorizontal="16dp"
+    android:layout_marginTop="20dp"
+    android:layout_marginBottom="20dp"
+    android:textColor="#8E95A0"
+    android:textSize="15sp"
+    tools:text="Tools" />

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/nav_main.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/home.xml"
+    app:startDestination="@id/homeFragment">
+
+    <fragment
+        android:id="@+id/homeFragment"
+        android:name="com.base.pdfoneread.ui.main.HomeFragment"
+        android:label="fragment_home"
+        tools:layout="@layout/fragment_home" />
+    <fragment
+        android:id="@+id/recentFragment"
+        android:name="com.base.pdfoneread.ui.main.RecentFragment"
+        android:label="fragment_recent"
+        tools:layout="@layout/fragment_recent" />
+    <fragment
+        android:id="@+id/settingFragment"
+        android:name="com.base.pdfoneread.ui.main.SettingFragment"
+        android:label="fragment_setting"
+        tools:layout="@layout/fragment_setting" />
+</navigation>
\ 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.PdfOneRead" 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/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/strings.xml

+<resources>
+    <string name="app_name">PDF Reader &amp; PDF Editor</string>
+    <string name="home">Home</string>
+    <string name="recent">Recent</string>
+    <string name="settings">Settings</string>
+    <string name="file_manager">File Manager</string>
+    <string name="set_as_default">Set as Default</string>
+    <string name="evaluage_options">Evaluage Options</string>
+    <string name="feedback">Feedback</string>
+    <string name="privacy_policy">Privacy Policy</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</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.PdfOneRead" parent="Theme.AppCompat.DayNight.NoActionBar" />
+
+    <style name="Theme.PdfOneRead" parent="Base.Theme.PdfOneRead" />
+
+
+    <style name="Theme.App.Starting" parent="Theme.SplashScreen">
+        <!--启动画面背景颜色-->
+        <item name="windowSplashScreenBackground">@color/white</item>
+        <!--        <item name="android:windowBackground">@drawable/splash_bp</item>-->
+        <!-- 启动画面icon图标：这里可以是图片、帧动画等-->
+        <item name="windowSplashScreenAnimatedIcon">@drawable/ic_launcher_foreground</item>
+        <item name="splashScreenIconSize">50dp</item>
+        <item name="windowSplashScreenIconBackgroundColor">@android:color/transparent</item>
+        <!-- icon动画在关闭之前显示的时长：最长时间为1000毫秒-->
+        <item name="windowSplashScreenAnimationDuration">100</item>
+
+        <!-- Splash退出后的主题-->
+        <item name="postSplashScreenTheme">@style/Theme.PdfOneRead</item>
+    </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

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
+}
\ 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"
+swiperefreshlayout = "1.1.0"
+
+[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-swiperefreshlayout = { group = "androidx.swiperefreshlayout", name = "swiperefreshlayout", version.ref = "swiperefreshlayout" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+