Upgrade dependencies

app/build.gradle

@@ -1,11 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
     defaultConfig {
         applicationId "net.newlydev.fileshare_android"
         minSdkVersion 21
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode 24
         versionName '2.4'
         multiDexEnabled = true
@@ -25,10 +25,10 @@ android {
 }
 
 dependencies {
-    implementation 'com.google.android.material:material:1.3.0'
-    implementation 'com.google.android.gms:play-services-ads:19.7.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'com.google.android.gms:play-services-ads:20.5.0'
 	implementation 'androidx.preference:preference:1.1.1'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.4.0'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation fileTree(dir: 'libs', include: ['*.aar', '*.jar'], exclude: [])
 }

app/release/output-metadata.json

@@ -0,0 +1,20 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "net.newlydev.fileshare_android",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "attributes": [],
+      "versionCode": 24,
+      "versionName": "2.4",
+      "outputFile": "app-release.apk"
+    }
+  ],
+  "elementType": "File"
+}

app/src/main/AndroidManifest.xml

@@ -1,25 +1,28 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="net.newlydev.fileshare_android" >
+	xmlns:tools="http://schemas.android.com/tools"
+	package="net.newlydev.fileshare_android" >
 	<uses-permission android:name="android.permission.INTERNET"/>
-	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 	<uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
 	<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
     <application
-		android:allowBackup="true"
 		android:name=".mApplication"
 		android:icon="@mipmap/ic_launcher"
 		android:label="@string/app_name"
 		android:theme="@style/AppTheme"
-		android:resizeableActivity="true">
+		android:resizeableActivity="true"
+		tools:targetApi="n"
+		android:fullBackupContent="@xml/backup_descriptor"
+		android:allowBackup="true">
 		<meta-data
             android:name="com.google.android.gms.ads.APPLICATION_ID"
             android:value="ca-app-pub-4267459436057308~9756116155"/>
 		<activity
 			android:name=".activities.MainActivity"
 			android:label="@string/app_name"
-			android:launchMode="singleTask">
+			android:launchMode="singleTask"
+			android:exported="true">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN"/>
 				<category android:name="android.intent.category.LAUNCHER"/>

app/src/main/java/net/newlydev/fileshare_android/MainService.java

@@ -14,7 +14,7 @@
 
 public class MainService extends Service
 {
-	private static ExecutorService mainThreadPool= Executors.newCachedThreadPool();
+	private static final ExecutorService mainThreadPool= Executors.newCachedThreadPool();
 	public Handler handler=new Handler();
 	private NotificationCompat.Builder builder;
 	private ServerSocket ss;
@@ -43,7 +43,7 @@ public void run()
 					Socket client=ss.accept();
 					mainThreadPool.submit(new HttpThread(client,MainService.this));
 				}
-				catch (IOException e)
+				catch (IOException ignored)
 				{
 				}
 			}
@@ -96,7 +96,7 @@ public void run(){
 				{
 					ss.close();
 				}
-				catch (Exception e)
+				catch (Exception ignored)
 				{}
 			}
 		}.start();

app/src/main/java/net/newlydev/fileshare_android/mApplication.java

@@ -10,7 +10,7 @@ public class mApplication extends Application
 	public void onCreate()
 	{
 		super.onCreate();
-		MobileAds.initialize(this, "ca-app-pub-4267459436057308~9756116155");
+		MobileAds.initialize(this);
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 			NotificationChannel mChannel = new NotificationChannel("0", "状态", NotificationManager.IMPORTANCE_LOW);
 			((NotificationManager)getSystemService(NOTIFICATION_SERVICE)).createNotificationChannel(mChannel);

app/src/main/res/xml/backup_descriptor.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<full-backup-content>
+    <!-- Exclude specific shared preferences that contain GCM registration Id -->
+</full-backup-content>

build.gradle

@@ -1,5 +1,6 @@
 ext {
     var = '29.0.3'
+    compileSdkVersion = 31
 }// Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
@@ -8,7 +9,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.0.2'
+        classpath 'com.android.tools.build:gradle:7.0.4'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files