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

+plugins {
+    alias(libs.plugins.androidApplication)
+    alias(libs.plugins.jetbrainsKotlinAndroid)
+}
+
+android {
+    namespace 'com.base.datarecovery'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.base.datarecovery"
+        minSdk 24
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    signingConfigs {
+        realse {
+            storeFile file('../smartcl.jks')
+            storePassword '123456'
+            keyAlias 'key0'
+            keyPassword '123456'
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.realse
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        viewBinding true
+        buildConfig true
+        aidl true
+    }
+}
+
+dependencies {
+
+    implementation libs.androidx.core.ktx
+    implementation libs.androidx.appcompat
+    implementation libs.material
+    implementation libs.androidx.activity
+    implementation libs.androidx.constraintlayout
+    testImplementation libs.junit
+    androidTestImplementation libs.androidx.junit
+    androidTestImplementation libs.androidx.espresso.core
+
+    def lifecycle_version = "2.7.0"
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
+
+    //第三方UI
+    implementation("com.airbnb.android:lottie:6.4.0")
+    implementation("com.github.bumptech.glide:glide:4.16.0")
+}
\ No newline at end of file

app/proguard-rules.pro

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

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

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

app/src/main/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools" >
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <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" />
+
+    <application
+        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.DataRecovery"
+        tools:targetApi="31" >
+        <activity
+            android:name=".activity.FileScanResultActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.FileRecoveryActivity"
+            android:exported="false" />
+        <activity
+            android:name=".activity.FileScanActivity"
+            android:exported="false" />
+        <activity
+            android:name=".MainActivity"
+            android:exported="true" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file

app/src/main/assets/recovery_permission_finger/data.json

+{"v":"5.5.7","fr":60,"ip":0,"op":60,"w":640,"h":140,"nm":"合成 1","ddd":0,"assets":[{"id":"image_0","w":157,"h":175,"u":"images/","p":"img_0.png","e":0},{"id":"image_1","w":86,"h":50,"u":"images/","p":"img_1.png","e":0},{"id":"image_2","w":540,"h":114,"u":"images/","p":"img_2.png","e":0}],"layers":[{"ddd":0,"ind":1,"ty":2,"nm":"bu.png","cl":"png","refId":"image_0","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":1,"k":[{"i":{"x":0.667,"y":1},"o":{"x":0.333,"y":0},"t":0,"s":[518,94.5,0],"to":[5.917,0,0],"ti":[-5.917,0,0]},{"t":30,"s":[553.5,94.5,0]}],"ix":2},"a":{"a":0,"k":[78.5,87.5,0],"ix":1},"s":{"a":0,"k":[100,100,100],"ix":6}},"ao":0,"ip":0,"op":60,"st":0,"bm":0},{"ddd":0,"ind":2,"ty":2,"nm":"on.png","cl":"png","refId":"image_1","sr":1,"ks":{"o":{"a":1,"k":[{"i":{"x":[0.667],"y":[1]},"o":{"x":[0.333],"y":[0]},"t":22,"s":[0]},{"t":31,"s":[100]}],"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[502.25,57.5,0],"ix":2},"a":{"a":0,"k":[43,25,0],"ix":1},"s":{"a":0,"k":[100,100,100],"ix":6}},"ao":0,"ip":0,"op":60,"st":0,"bm":0},{"ddd":0,"ind":3,"ty":2,"nm":"qx2.png","cl":"png","refId":"image_2","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[320,57,0],"ix":2},"a":{"a":0,"k":[270,57,0],"ix":1},"s":{"a":0,"k":[100,100,100],"ix":6}},"ao":0,"ip":0,"op":60,"st":0,"bm":0}],"markers":[]}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/MainActivity.kt

+package com.base.datarecovery
+
+import android.graphics.Color
+import android.os.Bundle
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import com.base.datarecovery.databinding.ActivityMainBinding
+import com.base.datarecovery.help.BaseActivity
+import com.base.datarecovery.utils.BarUtils
+
+class MainActivity : BaseActivity<ActivityMainBinding>() {
+
+    override val binding: ActivityMainBinding by lazy {
+        ActivityMainBinding.inflate(layoutInflater)
+    }
+
+
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.TRANSPARENT)
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/activity/FileRecoveryActivity.kt

+package com.base.datarecovery.activity
+
+import com.base.datarecovery.databinding.ActivityFileRecoveryBinding
+import com.base.datarecovery.help.BaseActivity
+
+class FileRecoveryActivity : BaseActivity<ActivityFileRecoveryBinding>() {
+
+    private var type = 0
+    override val binding: ActivityFileRecoveryBinding by lazy {
+        ActivityFileRecoveryBinding.inflate(layoutInflater)
+    }
+
+
+    override fun initView() {
+        type = intent.extras?.getInt("Type") ?: 0
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/activity/FileScanActivity.kt

+package com.base.datarecovery.activity
+
+import android.annotation.SuppressLint
+import android.content.Intent
+import android.graphics.Color
+import android.os.Environment
+import android.view.View
+import androidx.lifecycle.lifecycleScope
+import com.base.datarecovery.R
+import com.base.datarecovery.bean.ConstObject
+import com.base.datarecovery.databinding.ActivityFileScanBinding
+import com.base.datarecovery.help.BaseActivity
+import com.base.datarecovery.help.FileHelp.loadFileByFilter
+import com.base.datarecovery.help.PermissionHelp.checkStorePermission
+import com.base.datarecovery.help.PermissionHelp.requestStorePermission
+import com.base.datarecovery.utils.BarUtils
+import com.base.datarecovery.utils.FileHexEx.isDocument
+import com.base.datarecovery.utils.FileHexEx.isImage
+import com.base.datarecovery.utils.LogEx
+import com.base.datarecovery.view.DialogViews.showGerPermission
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+
+/**
+ * 文件扫描,遍历文件夹的方式进行
+ */
+class FileScanActivity : BaseActivity<ActivityFileScanBinding>() {
+
+    private val TAG = "FileScanActivity"
+    private var scanOnce: Boolean = false
+
+    private var scanType = 0
+    override val binding: ActivityFileScanBinding by lazy {
+        ActivityFileScanBinding.inflate(layoutInflater)
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.TRANSPARENT)
+
+        scanType = intent.extras?.getInt("Type") ?: 0
+        when (scanType) {
+            1 -> {
+                binding.tvTittle.text = "Photos Recovery"
+                binding.ivIcon.setImageResource(R.mipmap.tu_photos_scan)
+            }
+
+            2 -> {
+                binding.tvTittle.text = "Documents Recovery"
+                binding.ivIcon.setImageResource(R.mipmap.tu_documents_scan)
+            }
+
+            3 -> {
+
+            }
+        }
+    }
+
+    override fun initListener() {
+        binding.flFanhui.setOnClickListener {
+            finishToMain()
+        }
+        binding.tvScan.setOnClickListener {
+            if (checkStorePermission()) {
+                binding.llFile.visibility = View.VISIBLE
+                beginScan()
+            } else {
+                requestPermission()
+            }
+        }
+    }
+
+    private fun beginScan() {
+        if (scanOnce)
+            return
+        scanOnce = true
+        val mutableSharedFlow = MutableSharedFlow<String>(
+            replay = 5,//当新的订阅者Collect时，发送几个已经发送过的数据给它
+            extraBufferCapacity = 5,//减去replay，MutableSharedFlow还缓存多少数据,缓冲池容量 = replay + extraBufferCapacity
+            onBufferOverflow = BufferOverflow.SUSPEND//缓存策略，三种 丢掉最新值、丢掉最旧值和挂起
+        )
+        val sharedFlow: SharedFlow<String> = mutableSharedFlow
+
+        val filter = when (scanType) {
+            ConstObject.SCAN_PHOTOS -> ::isImage
+            ConstObject.SCAN_DOCUMENTS -> ::isDocument
+            else -> ::isImage
+        }
+        val root = Environment.getExternalStorageDirectory()
+        val pathList = arrayListOf<String>()
+        lifecycleScope.loadFileByFilter(
+            mutableSharedFlow,
+            root, filter = filter,
+            onDo = { file ->
+                LogEx.logDebug(TAG, "file =${file.absolutePath}")
+                pathList.add(file.absolutePath)
+            },
+            onFinish = {
+                startActivity(Intent(this@FileScanActivity, FileScanResultActivity::class.java).apply {
+                    putExtra("ScanType", scanType)
+                    putExtra("PathList", pathList.toTypedArray())
+                })
+                finish()
+            }
+        )
+        lifecycleScope.launch(Dispatchers.Main) {
+            sharedFlow.collectLatest {
+                binding.tvPath.text = it
+            }
+        }
+
+    }
+
+
+    private fun requestPermission() {
+
+        showGerPermission(null, deny = { finishToMain() }, allow = {
+
+            requestStorePermission(launcher, jumpAction = {}, result = { flag ->
+                if (flag) beginScan()
+            })
+
+        })
+
+
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/activity/FileScanResultActivity.kt

+package com.base.datarecovery.activity
+
+import android.annotation.SuppressLint
+import android.graphics.Color
+import androidx.activity.addCallback
+import com.base.datarecovery.adapter.FileFolderAdapter
+import com.base.datarecovery.bean.ConstObject.SCAN_DOCUMENTS
+import com.base.datarecovery.bean.ConstObject.SCAN_PHOTOS
+import com.base.datarecovery.bean.FolderBean
+import com.base.datarecovery.bean.RecoveryBean
+import com.base.datarecovery.databinding.ActivityFileScanResultBinding
+import com.base.datarecovery.help.BaseActivity
+import com.base.datarecovery.utils.BarUtils
+import com.base.datarecovery.utils.LogEx
+import java.io.File
+import java.util.HashMap
+
+class FileScanResultActivity : BaseActivity<ActivityFileScanResultBinding>() {
+
+    private val TAG = "FileScanResultActivity"
+    private var scanType = 0
+    override val binding: ActivityFileScanResultBinding by lazy {
+        ActivityFileScanResultBinding.inflate(layoutInflater)
+    }
+
+    private lateinit var fileFolderAdapter: FileFolderAdapter
+
+    private val beanList by lazy {
+        intent.getStringArrayExtra("PathList") ?: arrayOf()
+    }
+
+
+    @SuppressLint("SetTextI18n")
+    override fun initView() {
+        BarUtils.setStatusBarLightMode(this, true)
+        BarUtils.setStatusBarColor(this, Color.TRANSPARENT)
+
+        scanType = intent.extras?.getInt("ScanType") ?: 0
+
+        LogEx.logDebug(TAG, "scanType=$scanType")
+        when (scanType) {
+            SCAN_PHOTOS -> {
+                binding.tvTittle.text = "Photo Recovery"
+                binding.tvFileType.text = "Photos"
+            }
+
+            SCAN_DOCUMENTS -> {
+                binding.tvTittle.text = "Document Recovery"
+                binding.tvFileType.text = "Documents"
+            }
+        }
+        binding.tvFileNumber.text = beanList.size.toString()
+
+        fileFolderAdapter = FileFolderAdapter {
+
+        }
+        binding.rv.adapter = fileFolderAdapter
+        initData()
+    }
+
+    override fun initListener() {
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+    }
+
+    private fun initData() {
+        val hashMap = HashMap<String, ArrayList<RecoveryBean>>()
+        beanList.forEach { path ->
+            val folder = File(path).parent ?: ""
+            if (hashMap[folder] == null) {
+                hashMap[folder] = arrayListOf()
+            }
+            hashMap[folder]?.add(RecoveryBean(path))
+        }
+
+        val list = hashMap.map {
+            val folder = it.key.split("/").last()
+            FolderBean(folder, it.value)
+        }
+        binding.tvFolderNumber.text = list.size.toString()
+        fileFolderAdapter.setData(list)
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/adapter/FileFolderAdapter.kt

+package com.base.datarecovery.adapter
+
+import android.annotation.SuppressLint
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.base.datarecovery.R
+import com.base.datarecovery.bean.FolderBean
+import com.base.datarecovery.databinding.ItemFolderRecoveryBinding
+import com.base.datarecovery.utils.ScreenUtil.dpToPx
+import com.base.datarecovery.view.XmlEx.inflate
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.bitmap.CenterCrop
+import com.bumptech.glide.load.resource.bitmap.RoundedCorners
+import com.bumptech.glide.request.RequestOptions
+
+class FileFolderAdapter(private val click: (bean: FolderBean) -> Unit) : RecyclerView.Adapter<FileFolderAdapter.FF>() {
+
+    private val beanList = arrayListOf<FolderBean>()
+
+    class FF(view: View) : ViewHolder(view)
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): FF {
+        return FF(R.layout.item_folder_recovery.inflate(parent))
+    }
+
+    override fun getItemCount(): Int {
+        return beanList.size
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: FF, position: Int) {
+        val bean = beanList[position]
+        val context = holder.itemView.context
+        val binding = ItemFolderRecoveryBinding.bind(holder.itemView)
+        runCatching {
+            val options = RequestOptions().transform(CenterCrop(), RoundedCorners(context.dpToPx(10)))
+            val image1 = bean.recoveryList[0].path
+            Glide.with(context).load(image1).apply(options).into(binding.iv1)
+            val image2 = bean.recoveryList[1].path
+            Glide.with(context).load(image2).apply(options).into(binding.iv2)
+            val image3 = bean.recoveryList[2].path
+            Glide.with(context).load(image3).apply(options).into(binding.iv3)
+        }
+
+        binding.tvFolder.text = bean.folder
+        binding.tvFolderNumber.text = "(${bean.recoveryList.size})"
+        binding.root.setOnClickListener {
+            click.invoke(bean)
+        }
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun setData(list: List<FolderBean>) {
+        beanList.clear()
+        beanList.addAll(list)
+        notifyDataSetChanged()
+    }
+
+}
\ No newline at end of file

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

+package com.base.datarecovery.bean
+
+object ConstObject {
+
+    const val SCAN_PHOTOS = 1
+    const val SCAN_DOCUMENTS = 2
+    const val SCAN_VIDEOS = 3
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/bean/FolderBean.kt

+package com.base.datarecovery.bean
+
+data class FolderBean(
+    val folder: String = "",
+    val recoveryList: ArrayList<RecoveryBean> = arrayListOf()
+)
\ No newline at end of file

app/src/main/java/com/base/datarecovery/bean/RecoveryBean.kt

+package com.base.datarecovery.bean
+
+data class RecoveryBean(
+    val path: String = "",
+) {
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/fragment/HomeFragment.kt

+package com.base.datarecovery.fragment
+
+import android.content.Intent
+import com.base.datarecovery.activity.FileScanActivity
+import com.base.datarecovery.bean.ConstObject.SCAN_DOCUMENTS
+import com.base.datarecovery.bean.ConstObject.SCAN_PHOTOS
+import com.base.datarecovery.bean.ConstObject.SCAN_VIDEOS
+import com.base.datarecovery.databinding.FragmentHomeBinding
+import com.base.datarecovery.help.BaseFragment
+
+class HomeFragment : BaseFragment<FragmentHomeBinding>() {
+
+    override val binding: FragmentHomeBinding by lazy {
+        FragmentHomeBinding.inflate(layoutInflater)
+    }
+
+    override fun setView() {
+
+    }
+
+    override fun setListener() {
+
+        binding.llRyPhotos.setOnClickListener {
+            startActivity(Intent(requireContext(), FileScanActivity::class.java).apply {
+                putExtra("Type", SCAN_PHOTOS)
+            })
+        }
+        binding.llRyDocuments.setOnClickListener {
+            startActivity(Intent(requireContext(), FileScanActivity::class.java).apply {
+                putExtra("Type", SCAN_DOCUMENTS)
+            })
+        }
+        binding.llRyVideos.setOnClickListener {
+            startActivity(Intent(requireContext(), FileScanActivity::class.java).apply {
+                putExtra("Type", SCAN_VIDEOS)
+            })
+        }
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/help/ActivityLauncher.kt

+package com.base.datarecovery.help
+
+import android.content.Intent
+import android.net.Uri
+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/datarecovery/help/BaseActivity.kt

+package com.base.datarecovery.help
+
+import android.app.Dialog
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.viewbinding.ViewBinding
+import com.base.datarecovery.MainActivity
+import com.base.datarecovery.utils.ActivityManagerUtils
+import com.base.datarecovery.utils.BarUtils
+
+abstract class BaseActivity<T : ViewBinding> : AppCompatActivity() {
+
+    protected abstract val binding: T
+
+
+    lateinit var launcher: ActivityLauncher
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        launcher = ActivityLauncher(this)
+        setContentView(binding.root)
+
+        initView()
+        initListener()
+    }
+
+    protected abstract fun initView()
+
+    protected open fun initListener() {}
+
+
+    protected 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()
+        }
+    }
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/help/BaseFragment.kt

+package com.base.datarecovery.help
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.viewbinding.ViewBinding
+
+abstract class BaseFragment<T : ViewBinding> : Fragment() {
+
+    protected abstract val binding: T
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return binding.root
+    }
+
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        setView()
+        setListener()
+    }
+
+    protected abstract fun setView()
+
+    protected open fun setListener() {}
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/help/FileHelp.kt

+package com.base.datarecovery.help
+
+import android.os.Environment
+import android.util.Log
+import com.base.datarecovery.utils.LogEx
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.launch
+import java.io.File
+import java.io.IOException
+import java.io.RandomAccessFile
+import java.util.LinkedList
+
+
+object FileHelp {
+
+    private val TAG = "FileHelp"
+
+    fun CoroutineScope.loadFileByFilter(
+        mutableSharedFlow: MutableSharedFlow<String>,
+        folder: File,
+        filter: (file: File) -> Boolean,
+        onDo: ((file: File) -> Unit)?,
+        onFinish: (() -> Unit)? = null
+    ) = launch(Dispatchers.IO) {
+
+        //添加第一层文件到链表
+        val linkList = LinkedList<File>()
+        val fileList = folder.listFiles()
+        fileList?.forEach {
+            if (it.isDirectory) {
+                linkList.add(it)
+            } else {
+                val flag = filter(it)
+                LogEx.logDebug(TAG, "$it flag=$flag")
+                if (flag) {
+                    onDo?.invoke(it)
+                }
+                mutableSharedFlow.emit(it.absolutePath)
+            }
+        }
+
+        //链表取文件
+        var tempFile: File
+        while (!linkList.isEmpty()) {
+            tempFile = linkList.removeFirst()
+            val tempFileList = tempFile.listFiles()
+            tempFileList?.forEach {
+                if (it.isDirectory) {
+                    linkList.add(it)
+                } else {
+                    val flag = filter(it)
+//                    LogEx.logDebug(TAG, "$it flag=$flag")
+                    if (flag) {
+                        onDo?.invoke(it)
+                    }
+                    mutableSharedFlow.emit(it.absolutePath)
+                }
+            }
+        }
+        launch(Dispatchers.Main) {
+            onFinish?.invoke()
+        }
+    }
+
+    fun readFileRange(filePath: String, start: Long, end: Long): ByteArray {
+        var data = byteArrayOf()
+        try {
+            val file = RandomAccessFile(filePath, "r")
+            file.seek(start)
+            val length = end - start
+            data = ByteArray(length.toInt())
+            file.readFully(data)
+            file.close()
+        } catch (e: IOException) {
+            e.printStackTrace()
+        }
+        return data
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/help/PermissionHelp.kt

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

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

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

+package com.base.datarecovery.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/datarecovery/utils/FileHexEx.kt

+package com.base.datarecovery.utils
+
+import com.base.datarecovery.help.FileHelp
+import java.io.File
+
+object FileHexEx {
+    private val TAG = "FileHexEx"
+
+    fun isImage(file: File): Boolean {
+        return isWebp(file) || isPngOrJpg(file)
+    }
+
+    fun isPngOrJpg(file: File): Boolean {
+        val pngHex = "89504E47"
+        val jpgHex1 = "FFD8FFE0"
+        val jpgHex2 = "FFD8FFE1"
+        val hex = FileHelp.readFileRange(file.absolutePath, 0, 4).byteArrayToHexString()
+        return (hex == pngHex || hex == jpgHex1 || hex == jpgHex2)
+    }
+
+    fun isWebp(file: File): Boolean {
+        val webpHex = "57454250"
+        val hex = FileHelp.readFileRange(file.absolutePath, 8, 11).byteArrayToHexString()
+        return hex == webpHex
+    }
+
+    fun isDocument(file: File): Boolean {
+        return isPdf(file) ||
+                isDocx(file) ||
+                isXlsx(file) ||
+                isPPTX(file) ||
+                isXls(file) ||
+                isPPT(file) ||
+                isDoc(file)
+    }
+
+    fun isDoc(file: File): Boolean {
+        val docHex = "57006F007200640044006F00630075006D0065006E007400"
+        val hex = FileHelp.readFileRange(file.absolutePath, 1408, 1432).byteArrayToHexString()
+        val flag = hex == docHex
+//        LogEx.logDebug(TAG, "flag=$flag hex=${hex} ${file.absolutePath}")
+        return flag
+    }
+
+    fun isPPT(file: File): Boolean {
+        val pptHex = "50006F0077006500720050006F0069006E0074"
+        val hex = FileHelp.readFileRange(file.absolutePath, 1408, 1427).byteArrayToHexString()
+        val flag = pptHex == hex
+//        LogEx.logDebug(TAG, "flag=$flag hex=${hex} ${file.absolutePath}")
+        return flag
+    }
+
+    fun isPdf(file: File): Boolean {
+        val pdfHex = "25504446"
+        val hex = FileHelp.readFileRange(file.absolutePath, 0, 4).byteArrayToHexString()
+        return pdfHex == hex
+    }
+
+    fun isXls(file: File): Boolean {
+        val xlsHex = "4500540045007800740044006100740061"
+        val hex = FileHelp.readFileRange(file.absolutePath, 1280, 1297).byteArrayToHexString()
+        val flag = hex == xlsHex
+//        LogEx.logDebug(TAG, "flag=$flag hex=${hex} ${file.absolutePath}")
+        return flag
+    }
+
+    fun isDocx(file: File): Boolean {
+        val docxHex = "6F6350726F70732F504B"
+        val hex = FileHelp.readFileRange(file.absolutePath, 31, 41).byteArrayToHexString()
+        val flag = docxHex == hex
+        LogEx.logDebug(TAG, "flag=$flag hex=${hex} ${file.absolutePath}")
+        return flag
+    }
+
+
+    fun isPPTX(file: File): Boolean {
+        val pptxHex = "6CCD97CB6EDB301045F705FA0F02B785"
+        val hex = FileHelp.readFileRange(file.absolutePath, 48, 64).byteArrayToHexString()
+        val flag = hex == pptxHex
+        LogEx.logDebug(TAG, "flag=$flag hex=${hex} ${file.absolutePath}")
+        return flag
+    }
+
+    fun isXlsx(file: File): Boolean {
+        val xlsxHex = "6CCD94CD6A02311485F785BE43C8B6CC"
+        val hex = FileHelp.readFileRange(file.absolutePath, 48, 64).byteArrayToHexString()
+        val flag = hex == xlsxHex
+        LogEx.logDebug(TAG, "flag=$flag hex=${hex} ${file.absolutePath}")
+        return flag
+    }
+
+
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/utils/HexExt.kt

+package com.base.datarecovery.utils
+
+/**
+ * Author: nxl
+ * Created on 2021/11/8 15:08
+ * Email: niexueliang@qdtgkj.com
+ * DESC: Hex码
+ */
+private const val HEXES = "0123456789ABCDEF"
+
+/**
+ * ByteArray转Hex码
+ */
+fun ByteArray.byteArrayToHexString(): String {
+    val hex = StringBuilder(2 * this.size)
+    for (element in this) {
+        val high = element.toInt().and(0xFF).shr(4)
+        val low = element.toInt().and(0x0F)
+        hex.append(HEXES[high]).append(HEXES[low])
+    }
+    return hex.toString()
+}
+
+/**
+ * HexString转ByteArray
+ */
+fun String.hexStringToByteArr(): ByteArray {
+    val data = ByteArray(this.length / 2)
+    for (i in this.indices step 2) {
+        val character = this.substring(i, i + 2).toInt(16).toByte()
+        data[i / 2] = character
+    }
+    return data
+}
\ No newline at end of file

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

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

+package com.base.datarecovery.utils
+
+import android.content.Context
+
+object ScreenUtil {
+
+    fun Context.dpToPx(dps: Int): Int {
+       return Math.round(resources.displayMetrics.density * dps)
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/view/DialogViews.kt

+package com.base.datarecovery.view
+
+import android.annotation.SuppressLint
+import android.app.Dialog
+import android.content.Context
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.view.LayoutInflater
+import com.base.datarecovery.R
+import com.base.datarecovery.databinding.DialogPermissonOpenBinding
+
+object DialogViews {
+
+    @SuppressLint("SetTextI18n")
+    fun Context.showGerPermission(
+        tittle: String? = null,
+        deny: ((view: Dialog) -> Unit)? = null,
+        allow: ((view: Dialog) -> Unit)? = null
+    ): Dialog {
+        val dialog = Dialog(this)
+        val binding = DialogPermissonOpenBinding.inflate(LayoutInflater.from(this))
+        dialog.requestWindowFeature(1)
+        dialog.window!!.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+        dialog.window!!.setLayout(-1, -1)
+        dialog.setCanceledOnTouchOutside(false)
+        dialog.setCancelable(false)
+        dialog.setContentView(binding.root)
+        val str = resources.getString(R.string.app_name)
+
+        tittle?.let { binding.idTvTt.text = it }
+        binding.idFullLottie.imageAssetsFolder = "recovery_permission_finger/images/"
+        binding.idFullLottie.setAnimation("recovery_permission_finger/data.json")
+        binding.idFullLottie.playAnimation()
+        binding.idDeny.setOnClickListener {
+            dialog.dismiss()
+            deny?.invoke(dialog)
+        }
+        binding.idTvAllow.setOnClickListener {
+            dialog.dismiss()
+            allow?.invoke(dialog)
+        }
+        dialog.show()
+        return dialog
+    }
+}

app/src/main/java/com/base/datarecovery/view/XmlEx.kt

+package com.base.datarecovery.view
+
+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)
+    }
+}
\ No newline at end of file

app/src/main/java/com/base/datarecovery/viewmodel/FileViewModel.kt

+package com.base.datarecovery.viewmodel
+
+import androidx.lifecycle.ViewModel
+
+class FileViewModel : ViewModel() {
+
+}
\ No newline at end of file

app/src/main/res/drawable/bg_355bea_18.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:radius="18dp" />
+    <solid android:color="#355BEA" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_567dfd_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#567DFD" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_80ffffff_10.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <solid android:color="#80FFFFFF" />
+    <corners android:radius="10dp" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_f5f5f5_18.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <solid android:color="#F5F5F5" />
+    <corners android:radius="18dp" />
+
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_ffffff_10.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <corners android:radius="10dp" />
+    <solid android:color="@color/white" />
+</shape>
\ No newline at end of file

app/src/main/res/drawable/bg_gradient_3e7df3_10.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <gradient
+        android:endColor="#3E7DF3"
+        android:startColor="#549BF9" />
+
+    <corners android:radius="10dp" />
+</shape>
\ 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_file_recovery.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=".activity.FileRecoveryActivity">
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/activity_file_scan.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=".activity.FileScanActivity">
+
+    <LinearLayout
+        android:id="@+id/ll_top"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="40dp" />
+
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <FrameLayout
+                android:id="@+id/fl_fanhui"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="15dp"
+                tools:ignore="UselessParent">
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:src="@mipmap/quit"
+                    tools:ignore="ContentDescription" />
+
+            </FrameLayout>
+
+            <TextView
+                android:id="@+id/tv_tittle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:textSize="16sp"
+                android:textStyle="bold"
+                tools:text="Recovery Photos" />
+
+        </FrameLayout>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/ll_top"
+        app:layout_constraintVertical_bias="0.3">
+
+        <ImageView
+            android:id="@+id/iv_icon"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            tools:ignore="ContentDescription"
+            tools:src="@mipmap/tu_photos_scan" />
+
+        <TextView
+            android:id="@+id/tv_scan"
+            android:layout_width="240dp"
+            android:layout_height="35dp"
+            android:layout_gravity="center"
+            android:layout_marginTop="40dp"
+            android:background="@drawable/bg_567dfd_15"
+            android:elevation="5dp"
+            android:gravity="center"
+            android:text="SCAN"
+            android:textColor="@color/white"
+            tools:ignore="HardcodedText" />
+
+        <TextView
+            android:id="@+id/tv_tip"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="20dp"
+            android:text="我需要一段文本"
+            android:textColor="#999999"
+            tools:ignore="HardcodedText" />
+
+        <LinearLayout
+            android:id="@+id/ll_file"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="16dp"
+            android:layout_marginTop="20dp"
+            android:orientation="vertical"
+            android:visibility="gone">
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content">
+
+                <ProgressBar
+                    android:layout_width="35dp"
+                    android:layout_height="35dp" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:layout_marginStart="8dp"
+                    android:text="Scanning..."
+                    android:textColor="@color/black"
+                    android:textSize="16sp"
+                    android:textStyle="bold"
+                    tools:ignore="HardcodedText" />
+
+            </LinearLayout>
+
+            <TextView
+                android:id="@+id/tv_path"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:ellipsize="middle"
+                android:singleLine="true"
+                android:textSize="14sp"
+                tools:text="............." />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/activity_file_scan_result.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:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white"
+    android:orientation="vertical"
+    tools:context=".activity.FileScanResultActivity">
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="40dp" />
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <FrameLayout
+            android:id="@+id/fl_fanhui"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:padding="15dp"
+            tools:ignore="UselessParent">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:src="@mipmap/quit"
+                tools:ignore="ContentDescription" />
+
+        </FrameLayout>
+
+        <TextView
+            android:id="@+id/tv_tittle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            tools:text="Photo Recovery" />
+
+    </FrameLayout>
+
+    <androidx.cardview.widget.CardView
+        android:layout_width="match_parent"
+        android:layout_height="123dp"
+        android:layout_marginHorizontal="16dp"
+        android:layout_marginTop="16dp"
+        app:cardCornerRadius="10dp"
+        app:cardBackgroundColor="#F0F3FA"
+        app:cardElevation="0dp">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:id="@+id/ll_finish"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="15dp"
+                android:orientation="horizontal"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:ignore="UseCompoundDrawables">
+
+                <ImageView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:src="@mipmap/wancheng"
+                    tools:ignore="ContentDescription" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:layout_marginStart="8dp"
+                    android:text="Finished!"
+                    android:textColor="@color/black"
+                    android:textSize="16sp"
+                    android:textStyle="bold"
+                    tools:ignore="HardcodedText" />
+
+            </LinearLayout>
+
+            <View
+                android:id="@+id/line"
+                android:layout_width="1px"
+                android:layout_height="28dp"
+                android:background="#C8CBD2"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/ll_finish" />
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toBottomOf="@+id/line"
+                app:layout_constraintEnd_toStartOf="@+id/line"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="@id/line">
+
+                <TextView
+                    android:id="@+id/tv_file_number"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_horizontal"
+                    android:textColor="@color/black"
+                    android:textSize="23sp"
+                    android:textStyle="bold"
+                    tools:text="1786" />
+
+                <TextView
+                    android:id="@+id/tv_file_type"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_horizontal"
+                    android:layout_marginTop="8dp"
+                    android:textColor="#768294"
+                    android:textSize="14sp"
+                    android:textStyle="bold"
+                    tools:text="Photos" />
+
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toBottomOf="@+id/line"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toEndOf="@id/line"
+                app:layout_constraintTop_toTopOf="@id/line">
+
+                <TextView
+                    android:id="@+id/tv_folder_number"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_horizontal"
+                    android:textColor="@color/black"
+                    android:textSize="23sp"
+                    android:textStyle="bold"
+                    tools:text="16" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_horizontal"
+                    android:layout_marginTop="8dp"
+                    android:text="Folders"
+                    android:textColor="#768294"
+                    android:textSize="14sp"
+                    android:textStyle="bold"
+                    tools:ignore="HardcodedText" />
+
+            </LinearLayout>
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    </androidx.cardview.widget.CardView>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        android:layout_marginTop="16dp"
+        android:orientation="vertical"
+        tools:listitem="@layout/item_folder_recovery" />
+
+</LinearLayout>
\ 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=".MainActivity">
+
+    <fragment
+        android:id="@+id/fragment"
+        android:name="com.base.datarecovery.fragment.HomeFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<androidx.appcompat.widget.LinearLayoutCompat 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:layout_gravity="center"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="12dp"
+        android:background="@drawable/bg_ffffff_10"
+        android:orientation="vertical">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="24dp"
+            android:text="Permission request"
+            android:textColor="#000000"
+            android:textSize="17sp"
+            android:textStyle="bold"
+            tools:ignore="HardcodedText" />
+
+        <TextView
+            android:id="@+id/id_tv_tt"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginHorizontal="15dp"
+            android:layout_marginTop="22dp"
+            android:layout_marginBottom="38dp"
+            android:textSize="13sp" />
+
+        <com.airbnb.lottie.LottieAnimationView
+            android:id="@+id/id_full_lottie"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:adjustViewBounds="true"
+            app:lottie_autoPlay="true"
+            app:lottie_loop="true" />
+
+        <androidx.appcompat.widget.LinearLayoutCompat
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="23dp"
+            android:layout_marginTop="40dp"
+            android:layout_marginBottom="14dp">
+
+            <TextView
+                android:id="@+id/id_deny"
+                android:layout_width="0dp"
+                android:layout_height="36dp"
+                android:layout_marginEnd="13dp"
+                android:layout_weight="1"
+                android:background="@drawable/bg_f5f5f5_18"
+                android:gravity="center"
+                android:text="Deny"
+                android:textColor="#000000"
+                android:textSize="17sp"
+                tools:ignore="HardcodedText" />
+
+            <TextView
+                android:id="@+id/id_tv_allow"
+                android:layout_width="0dp"
+                android:layout_height="36dp"
+                android:layout_weight="1"
+                android:gravity="center"
+                android:text="Allow"
+                android:textColor="@color/white"
+                android:textSize="17sp"
+                android:background="@drawable/bg_355bea_18"
+                tools:ignore="HardcodedText" />
+
+        </androidx.appcompat.widget.LinearLayoutCompat>
+
+    </LinearLayout>
+
+
+</androidx.appcompat.widget.LinearLayoutCompat>
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="16dp"
+    android:orientation="vertical">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/tv_folder"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:textColor="@color/black"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            tools:text="Hidden Files" />
+
+        <TextView
+            android:id="@+id/tv_folder_number"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginHorizontal="9dp"
+            android:layout_weight="1"
+            android:ellipsize="middle"
+            android:singleLine="true"
+            android:textColor="#7D849E"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            tools:text="(1786)" />
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/jianotu"
+            tools:ignore="ContentDescription" />
+
+    </LinearLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp">
+
+
+        <ImageView
+            android:id="@+id/iv_1"
+            android:layout_width="106dp"
+            android:layout_height="106dp"
+            android:layout_gravity="start"
+            tools:ignore="ContentDescription" />
+
+        <ImageView
+            android:id="@+id/iv_2"
+            android:layout_width="106dp"
+            android:layout_height="106dp"
+            android:layout_gravity="center"
+            tools:ignore="ContentDescription" />
+
+        <ImageView
+            android:id="@+id/iv_3"
+            android:layout_width="106dp"
+            android:layout_height="106dp"
+            android:layout_gravity="end"
+            tools:ignore="ContentDescription" />
+    </FrameLayout>
+
+</LinearLayout>
\ No newline at end of file

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

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

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

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

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

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

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

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

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

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

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

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

build.gradle

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+alias(libs.plugins.androidApplication) apply false
+    alias(libs.plugins.jetbrainsKotlinAndroid) 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 = "8.0.0"
+kotlin = "1.8.0"
+coreKtx = "1.8.1"
+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"
+
+[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" }
+
+[plugins]
+androidApplication = { id = "com.android.application", version.ref = "agp" }
+jetbrainsKotlinAndroid = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+

gradle/wrapper/gradle-wrapper.properties

+#Thu Jun 27 14:39:02 CST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

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

gradlew.bat

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

settings.gradle

+pluginManagement {
+    repositories {
+        google {
+            content {
+                includeGroupByRegex("com\\.android.*")
+                includeGroupByRegex("com\\.google.*")
+                includeGroupByRegex("androidx.*")
+            }
+        }
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "Data Recovery"
+include ':app'