[Android]1.update android sdk to 31;2.fix bluetooth permission leak problem

Author: xgfd3

Android/APIExample/agora-simple-filter/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "29.0.3"
+    compileSdkVersion 31
+    buildToolsVersion "31.0.0"
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 29
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
 
@@ -37,7 +37,7 @@ android {
         }
     }
 
-    ndkVersion '21.0.6113669'
+    ndkVersion '21.4.7075529'
 }
 
 dependencies {

Android/APIExample/app/build.gradle

@@ -2,8 +2,8 @@ apply plugin: 'com.android.application'
 apply plugin: "androidx.navigation.safeargs"
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "29.0.2"
+    compileSdkVersion 31
+    buildToolsVersion "31.0.0"
 
     defaultConfig {
         applicationId "io.agora.api.example"

Android/APIExample/app/src/main/AndroidManifest.xml

@@ -9,6 +9,11 @@
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.BLUETOOTH"/>
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
+
+    <permission-group android:name="io.agora.api.example.andpermission"/>
 
     <application
         android:name=".MainApplication"
@@ -24,7 +29,8 @@
             android:name=".MainActivity"
             android:configChanges="keyboardHidden|screenSize|orientation"
             android:label="@string/app_name"
-            android:screenOrientation="portrait">
+            android:screenOrientation="portrait"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

Android/APIExample/app/src/main/java/io/agora/api/example/examples/basic/JoinChannelVideo.java

@@ -4,7 +4,9 @@
 import static io.agora.rtc2.Constants.RENDER_MODE_HIDDEN;
 import static io.agora.rtc2.video.VideoEncoderConfiguration.STANDARD_BITRATE;
 
+import android.Manifest;
 import android.content.Context;
+import android.os.Build;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
@@ -149,13 +151,21 @@ public void onClick(View v)
                 // call when join button hit
                 String channelId = et_channel.getText().toString();
                 // Check permission
-                if (AndPermission.hasPermissions(this, Permission.Group.STORAGE, Permission.Group.MICROPHONE, Permission.Group.CAMERA))
+                String[] BLUETOOTH_PERMS = new String[0];
+                if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.S){
+                    BLUETOOTH_PERMS = new String[]{Manifest.permission.BLUETOOTH_CONNECT};
+                }
+
+                if (AndPermission.hasPermissions(this,
+                        BLUETOOTH_PERMS,
+                        Permission.Group.STORAGE, Permission.Group.MICROPHONE, Permission.Group.CAMERA))
                 {
                     joinChannel(channelId);
                     return;
                 }
                 // Request permission
                 AndPermission.with(this).runtime().permission(
+                        BLUETOOTH_PERMS,
                         Permission.Group.STORAGE,
                         Permission.Group.MICROPHONE,
                         Permission.Group.CAMERA