diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
index 150b34a..076d632 100644
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@@ -15,18 +15,7 @@
               </deviceKey>
             </Target>
           </runningDeviceTargetSelectedWithDropDown>
-          <targetSelectedWithDropDown>
-            <Target>
-              <type value="QUICK_BOOT_TARGET" />
-              <deviceKey>
-                <Key>
-                  <type value="VIRTUAL_DEVICE_PATH" />
-                  <value value="D:\Android\.android\avd\Pixel_7_API_34.avd" />
-                </Key>
-              </deviceKey>
-            </Target>
-          </targetSelectedWithDropDown>
-          <timeTargetWasSelectedWithDropDown value="2024-04-25T02:40:10.447031700Z" />
+          <timeTargetWasSelectedWithDropDown value="2024-04-26T06:00:58.141729100Z" />
         </State>
       </entry>
     </value>
diff --git a/app/build.gradle b/app/build.gradle
index 0732609..b64a423 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,11 +5,21 @@ plugins {
 }
 
 android {
+
+    signingConfigs {
+        debug {
+            storeFile file('D:\\Android_Files\\MyLiveWallpaper\\app\\info\\livewallpaper_key_test.jks')
+            storePassword 'key123456'
+            keyPassword 'key123456'
+            keyAlias 'key_wallpaper_test'
+        }
+    }
+
     namespace 'com.timber.soft.mylivewallpaper'
     compileSdk 34
 
     defaultConfig {
-        applicationId "com.timber.soft.mylivewallpaper"
+        applicationId "com.timber.soft.livebackgroundswallpaper.test"
         minSdk 22
         targetSdk 34
         versionCode 1
@@ -20,7 +30,12 @@ android {
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+
+        debug {
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/app/info/livewallpaper_key_test.jks b/app/info/livewallpaper_key_test.jks
new file mode 100644
index 0000000..bce5581
Binary files /dev/null and b/app/info/livewallpaper_key_test.jks differ
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 481bb43..9daa029 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -18,4 +18,26 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+#-renamesourcefileattribute SourceFile
+
+-keepattributes Signature
+-keepattributes *Annotation*
+-keep class com.google.gson.stream.** { *; }
+-keep class com.google.gson.examples.android.model.** { *; }
+-keep class * implements com.google.gson.TypeAdapter { *; }
+-keep class com.google.gson.internal.LinkedTreeMap { *; }
+-keep class com.timber.soft.mylivewallpaper.tools.AppTools
+-keep class com.timber.soft.mylivewallpaper.data.** { *; }
+
+
+-keepclassmembers class *{
+  @androidx.room.Query <methods>;
+}
+
+-keep class com.timber.soft.mylivewallpaper.tools.AppFinalString {
+    public static final java.lang.String DB_NAME;
+    public static final int DB_VERSION;
+}
+
+-keepattributes Signature
+-keepattributes *Annotation*
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e1a60d8..f3ea93f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,10 +10,10 @@
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@mipmap/icon"
         android:label="@string/app_name"
         android:networkSecurityConfig="@xml/network_security_config"
-        android:roundIcon="@mipmap/ic_launcher_round"
+        android:roundIcon="@mipmap/icon"
         android:supportsRtl="true"
         android:theme="@style/Theme.MyLiveWallpaper"
         tools:targetApi="31">
@@ -28,6 +28,20 @@
         </activity>
         <activity android:name=".ui.activity.MainActivity" />
         <activity android:name=".ui.activity.DetailActivity" />
+
+        <service
+            android:name=".service.VideoWallpaperService"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:permission="android.permission.BIND_WALLPAPER">
+            <intent-filter>
+                <action android:name="android.service.wallpaper.WallpaperService" />
+            </intent-filter>
+            <meta-data
+                android:name="android.service.wallpaper"
+                android:resource="@xml/wallpaper" />
+        </service>
+
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/timber/soft/mylivewallpaper/data/WallpaperDao.kt b/app/src/main/java/com/timber/soft/mylivewallpaper/data/WallpaperDao.kt
index dec3b4d..855a188 100644
--- a/app/src/main/java/com/timber/soft/mylivewallpaper/data/WallpaperDao.kt
+++ b/app/src/main/java/com/timber/soft/mylivewallpaper/data/WallpaperDao.kt
@@ -13,6 +13,9 @@ interface WallpaperDao {
     @Query("delete from t_wallpaper")
     suspend fun deleteAllData()
 
+    @Query("update t_wallpaper set isCollect = 0")
+    suspend fun deleteAllCollect()
+
     @Query("select * from t_wallpaper where isCollect = :collect ")
     suspend fun getCollectData(collect: Boolean = true): List<WallpaperData>
 
diff --git a/app/src/main/java/com/timber/soft/mylivewallpaper/service/VideoWallpaperService.kt b/app/src/main/java/com/timber/soft/mylivewallpaper/service/VideoWallpaperService.kt
new file mode 100644
index 0000000..3207ff3
--- /dev/null
+++ b/app/src/main/java/com/timber/soft/mylivewallpaper/service/VideoWallpaperService.kt
@@ -0,0 +1,101 @@
+package com.timber.soft.mylivewallpaper.service
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.media.MediaPlayer
+import android.net.Uri
+import android.os.Build
+import android.service.wallpaper.WallpaperService
+import android.util.Log
+import android.view.SurfaceHolder
+import androidx.annotation.RequiresApi
+import androidx.localbroadcastmanager.content.LocalBroadcastManager
+import com.timber.soft.mylivewallpaper.tools.AppFinalString
+import com.timber.soft.mylivewallpaper.tools.MyApplication
+
+class VideoWallpaperService : WallpaperService() {
+
+//    companion object {
+//        const val ACTION_SET_WALLPAPER = "VideoWallpaperService"
+//    }
+
+    //    private lateinit var mBroadcastManager: LocalBroadcastManager
+    override fun onCreate() {
+        super.onCreate()
+//        mBroadcastManager = LocalBroadcastManager.getInstance(this)
+    }
+
+    override fun onCreateEngine(): Engine {
+        return VideoEngine()
+    }
+
+    inner class VideoEngine : Engine() {
+        private var mediaPlayer: MediaPlayer? = null
+
+
+//        private var mReceiver = object : BroadcastReceiver() {
+//            override fun onReceive(context: Context?, intent: Intent?) {
+//                updateVideo()
+//            }
+//        }
+
+        override fun onCreate(surfaceHolder: SurfaceHolder?) {
+            super.onCreate(surfaceHolder)
+//            val filter = IntentFilter(ACTION_SET_WALLPAPER)
+//            mBroadcastManager.registerReceiver(mReceiver, filter)
+        }
+
+
+        override fun onSurfaceCreated(holder: SurfaceHolder?) {
+            super.onSurfaceCreated(holder)
+            val uri = getVideoUri()
+            mediaPlayer = MediaPlayer.create(MyApplication.appContext, uri)
+            mediaPlayer?.setSurface(holder!!.surface)
+            mediaPlayer?.isLooping = true
+            mediaPlayer?.setVolume(0f, 0f)
+            mediaPlayer?.start()
+
+        }
+
+        override fun onVisibilityChanged(visible: Boolean) {
+            super.onVisibilityChanged(visible)
+            if (visible) {
+                mediaPlayer?.start()
+            } else {
+                mediaPlayer?.pause()
+            }
+        }
+
+        override fun onDestroy() {
+            super.onDestroy()
+            mediaPlayer?.let {
+                if (it.isPlaying) {
+                    it.stop()
+                }
+            }
+            mediaPlayer?.release()
+            mediaPlayer = null
+//            mBroadcastManager.unregisterReceiver(mReceiver)
+        }
+
+//        private fun updateVideo() {
+//            val uri = getVideoUri()
+//            mediaPlayer?.reset()
+//            mediaPlayer?.setDataSource(this@VideoWallpaperService, uri)
+//            mediaPlayer?.isLooping = true
+//            mediaPlayer?.setVolume(0f, 0f)
+//            mediaPlayer?.prepare()
+//        }
+    }
+
+    private fun getVideoUri(): Uri {
+        val prefs = MyApplication.appContext.getSharedPreferences(
+            AppFinalString.PREFS_NAME, Context.MODE_PRIVATE
+        )
+        val string = prefs.getString(AppFinalString.KEY_SP, null)
+        return Uri.parse(string)
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/timber/soft/mylivewallpaper/tools/AppFinalString.kt b/app/src/main/java/com/timber/soft/mylivewallpaper/tools/AppFinalString.kt
index 2683974..28449c0 100644
--- a/app/src/main/java/com/timber/soft/mylivewallpaper/tools/AppFinalString.kt
+++ b/app/src/main/java/com/timber/soft/mylivewallpaper/tools/AppFinalString.kt
@@ -1,11 +1,11 @@
 package com.timber.soft.mylivewallpaper.tools
 
 object AppFinalString {
-
     const val DB_NAME = "wallpaper_db"
     const val DB_VERSION = 1
     const val TABLE_NAME_WALLPAPER = "t_wallpaper"
     const val KEY_EXTRA = "KEY_EXTRA"
     const val ACTION_DATABASE_UPDATED = "ACTION_DATABASE_UPDATED"
-
+    const val KEY_SP = "KEY_SP"
+    const val PREFS_NAME  = "MyPrefs"
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/timber/soft/mylivewallpaper/ui/activity/DetailActivity.kt b/app/src/main/java/com/timber/soft/mylivewallpaper/ui/activity/DetailActivity.kt
index 8b327ee..e7f0426 100644
--- a/app/src/main/java/com/timber/soft/mylivewallpaper/ui/activity/DetailActivity.kt
+++ b/app/src/main/java/com/timber/soft/mylivewallpaper/ui/activity/DetailActivity.kt
@@ -1,10 +1,13 @@
 package com.timber.soft.mylivewallpaper.ui.activity
 
+import android.app.WallpaperManager
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
 import android.graphics.Color
 import android.graphics.drawable.Drawable
 import android.media.MediaPlayer
 import android.os.Build
-import android.util.Log
 import android.view.SurfaceHolder
 import android.view.View
 import android.widget.Toast
@@ -16,22 +19,21 @@ import com.bumptech.glide.load.engine.GlideException
 import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
 import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.target.Target
-import com.timber.soft.mylivewallpaper.R
 import com.timber.soft.mylivewallpaper.data.AppDatabase
 import com.timber.soft.mylivewallpaper.data.WallpaperData
 import com.timber.soft.mylivewallpaper.databinding.ActivityDetailsBinding
+import com.timber.soft.mylivewallpaper.service.VideoWallpaperService
 import com.timber.soft.mylivewallpaper.tools.AppFinalString
 import com.timber.soft.mylivewallpaper.tools.AppTools.glideDownload
-import com.timber.soft.mylivewallpaper.ui.customerView.DownLoadDialog
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
+
 class DetailActivity : BaseActivity(), View.OnClickListener {
 
     private lateinit var binding: ActivityDetailsBinding
     private lateinit var wallpaperData: WallpaperData
-    private lateinit var downDialog: DownLoadDialog
     private var mediaPlayer: MediaPlayer? = null
     private lateinit var videoUrl: String
     private var isDownload = false
@@ -103,7 +105,14 @@ class DetailActivity : BaseActivity(), View.OnClickListener {
             }
 
             binding.detailsSet -> {
-                Log.e("onclick", "detailsSet has been click!")
+                if (isDownload) {
+                    binding.detailsPlayButton.isVisible = false
+                    setWallpaper(videoUrl)
+                } else {
+                    binding.detailsPlayButton.isVisible = false
+                    binding.detailsProgressbar.isVisible = true
+                    downloadPaper()
+                }
             }
 
             binding.detailsCollect -> {
@@ -127,6 +136,56 @@ class DetailActivity : BaseActivity(), View.OnClickListener {
         }
     }
 
+    private fun downloadPaper() {
+        wallpaperData.preview.let {
+            glideDownload(this, it) { file ->
+                if (file == null) {
+                    isDownload = false
+                    Toast.makeText(
+                        this@DetailActivity, "Sorry, the download failed.", Toast.LENGTH_SHORT
+                    ).show()
+                    binding.detailsProgressbar.isVisible = false
+                } else {
+                    binding.detailsProgressbar.isVisible = false
+                    file.absolutePath.let { path ->
+                        videoUrl = path
+                        isDownload = true
+                        CoroutineScope(Dispatchers.IO).launch {
+                            AppDatabase.dataBase.getWallpaperDao().insertData(wallpaperData.apply {
+                                downloadUrl = path
+                            })
+                        }
+                        setWallpaper(videoUrl)
+                    }
+                }
+            }
+        }
+    }
+
+    private fun setWallpaper(videoUrl: String) {
+//        binding.detailsCoverView.isVisible = true
+
+
+        val instance = WallpaperManager.getInstance(this)
+        try {
+            instance.clear()
+        }catch (e:Exception){
+
+        }
+        val prefs =
+            applicationContext.getSharedPreferences(AppFinalString.PREFS_NAME, Context.MODE_PRIVATE)
+        val editor = prefs.edit()
+        editor.putString(AppFinalString.KEY_SP, videoUrl)
+        editor.apply()
+
+        val intent = Intent(WallpaperManager.ACTION_CHANGE_LIVE_WALLPAPER)
+        intent.putExtra(
+            WallpaperManager.EXTRA_LIVE_WALLPAPER_COMPONENT,
+            ComponentName(this, VideoWallpaperService::class.java)
+        )
+        startActivity(intent)
+    }
+
     private fun stopVideo() {
         try {
             mediaPlayer?.stop()
@@ -155,7 +214,7 @@ class DetailActivity : BaseActivity(), View.OnClickListener {
                 this@DetailActivity, "You have unfavorite this sound.", Toast.LENGTH_SHORT
             ).show()
             CoroutineScope(Dispatchers.IO).launch {
-                AppDatabase.dataBase.getWallpaperDao().deleteData(wallpaperData.apply {
+                AppDatabase.dataBase.getWallpaperDao().updateData(wallpaperData.apply {
                     isCollect = binding.detailsCollect.isSelected
                 })
             }
@@ -171,11 +230,10 @@ class DetailActivity : BaseActivity(), View.OnClickListener {
                         this@DetailActivity, "Sorry, the download failed.", Toast.LENGTH_SHORT
                     ).show()
                     binding.detailsProgressbar.isVisible = false
+                    binding.detailsPlayButton.isVisible = true
                 } else {
                     binding.detailsProgressbar.isVisible = false
                     file.absolutePath.let { path ->
-//                        mediaPlayer.setDataSource(path)
-//                        mediaPlayer.prepare()
                         videoUrl = path
                         isDownload = true
                         CoroutineScope(Dispatchers.IO).launch {
@@ -216,10 +274,7 @@ class DetailActivity : BaseActivity(), View.OnClickListener {
                     }
 
                     override fun surfaceChanged(
-                        holder: SurfaceHolder,
-                        format: Int,
-                        width: Int,
-                        height: Int
+                        holder: SurfaceHolder, format: Int, width: Int, height: Int
                     ) {
                     }
 
diff --git a/app/src/main/java/com/timber/soft/mylivewallpaper/ui/fragment/SettingFragment.kt b/app/src/main/java/com/timber/soft/mylivewallpaper/ui/fragment/SettingFragment.kt
index e632bc4..58aa7eb 100644
--- a/app/src/main/java/com/timber/soft/mylivewallpaper/ui/fragment/SettingFragment.kt
+++ b/app/src/main/java/com/timber/soft/mylivewallpaper/ui/fragment/SettingFragment.kt
@@ -63,7 +63,7 @@ class SettingFragment : BaseFragment() {
         binding.setLayoutDelete.setOnClickListener() {
 
             CoroutineScope(Dispatchers.IO).launch {
-                AppDatabase.dataBase.getWallpaperDao().deleteAllData()
+                AppDatabase.dataBase.getWallpaperDao().deleteAllCollect()
             }
             sendDatabaseUpdatedBroadcast()
             Toast.makeText(
diff --git a/app/src/main/res/layout/activity_details.xml b/app/src/main/res/layout/activity_details.xml
index 7ec39a5..bc40935 100644
--- a/app/src/main/res/layout/activity_details.xml
+++ b/app/src/main/res/layout/activity_details.xml
@@ -97,13 +97,30 @@
             android:id="@+id/details_video_back"
             android:layout_width="54dp"
             android:layout_height="54dp"
-            android:layout_gravity="start"
-            android:layout_marginStart="24dp"
+            android:layout_gravity="end"
             android:layout_marginTop="46dp"
+            android:layout_marginEnd="24dp"
             android:background="@drawable/shape_circular"
             android:padding="12dp"
             android:src="@drawable/svg_back" />
     </FrameLayout>
 
+    <RelativeLayout
+        android:id="@+id/details_cover_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/cover_color"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerInParent="true"
+            android:text="@string/details_setting_wallpaper"
+            android:textColor="@color/white"
+            android:textSize="24sp"
+            android:textStyle="bold" />
+    </RelativeLayout>
+
 
 </FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_start.xml b/app/src/main/res/layout/activity_start.xml
index cf20d82..8db212d 100644
--- a/app/src/main/res/layout/activity_start.xml
+++ b/app/src/main/res/layout/activity_start.xml
@@ -22,7 +22,7 @@
             <ImageView
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                android:src="@mipmap/ic_launcher" />
+                android:src="@mipmap/icon" />
         </androidx.cardview.widget.CardView>
 
         <TextView
@@ -31,6 +31,7 @@
             android:layout_marginTop="32dp"
             android:layout_marginBottom="60dp"
             android:gravity="center"
+            android:lineSpacingExtra="20dp"
             android:lineSpacingMultiplier="0.6"
             android:text="@string/app_name"
             android:textColor="@color/theme_color_dark"
diff --git a/app/src/main/res/layout/fragment_setting.xml b/app/src/main/res/layout/fragment_setting.xml
index 18f5b15..6d0be0d 100644
--- a/app/src/main/res/layout/fragment_setting.xml
+++ b/app/src/main/res/layout/fragment_setting.xml
@@ -47,7 +47,7 @@
                 <ImageView
                     android:layout_width="match_parent"
                     android:layout_height="match_parent"
-                    android:src="@mipmap/ic_launcher" />
+                    android:src="@mipmap/icon" />
             </androidx.cardview.widget.CardView>
 
             <!--AppName-->
diff --git a/app/src/main/res/mipmap-xxxhdpi/icon.png b/app/src/main/res/mipmap-xxxhdpi/icon.png
new file mode 100644
index 0000000..3a921af
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/icon.png differ
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 16e34e6..f9f4589 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -5,4 +5,5 @@
     <color name="theme_color_dark">#3095DE</color>
     <color name="theme_color_light">#80BFEFFF</color>
     <color name="theme_color_mid">#B4DEFE</color>
+    <color name="cover_color">#BF000000</color>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 70bf683..02c18a4 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">MyLiveWallpaper</string>
+    <string name="app_name">Live Backgrounds Wallpaper</string>
 
     <string name="main_home">Home</string>
     <string name="main_collect">Collect</string>
@@ -9,7 +9,7 @@
     <string name="set_score">Rate us</string>
     <string name="set_share">Share us</string>
     <string name="set_shop_link">https://play.google.com/store/apps/details?id=</string>
-    <string name="set_rate_us_content">We hope this app is useful for you, if it does, would youplease give us a 5 sar and a mice revtew on Google Play, it really helps!</string>
+    <string name="set_rate_us_content">Please share this app and give us 5 stars if this app was helpful to you, thank you!</string>
     <string name="set_cancel">CANCEL</string>
     <string name="set_rate_it">RATE IT</string>
     <string name="set_setting_delete">Clear All My Favorites</string>
@@ -18,6 +18,7 @@
 
 
     <string name="details_set_wallpaper">Set Wallpaper</string>
+    <string name="details_setting_wallpaper">Setting wallpaper ...</string>
     <string name="video_loading">Loading video...</string>
 
 
diff --git a/app/src/main/res/xml/wallpaper.xml b/app/src/main/res/xml/wallpaper.xml
new file mode 100644
index 0000000..0fb22c3
--- /dev/null
+++ b/app/src/main/res/xml/wallpaper.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<wallpaper xmlns:android="http://schemas.android.com/apk/res/android"
+    android:description="@string/app_name"
+    android:thumbnail="@mipmap/ic_launcher">
+
+</wallpaper>