LiveEffect: Add foreground service

samples/LiveEffect/src/main/AndroidManifest.xml

@@ -6,22 +6,31 @@
     <uses-feature android:name="android.hardware.audio.output" android:required="true" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE" />
     <application
         android:allowBackup="false"
         android:fullBackupContent="false"
         android:supportsRtl="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
-      <activity
-          android:name="com.google.oboe.samples.liveEffect.MainActivity"
-          android:label="@string/app_name"
-          android:screenOrientation="portrait"
-          android:exported="true">
-        <intent-filter>
-          <action android:name="android.intent.action.MAIN" />
-          <category android:name="android.intent.category.LAUNCHER" />
-        </intent-filter>
-      </activity>
+        <activity
+            android:name="com.google.oboe.samples.liveEffect.MainActivity"
+            android:label="@string/app_name"
+            android:screenOrientation="portrait"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".DuplexStreamForegroundService"
+            android:foregroundServiceType="mediaPlayback|microphone"
+            android:exported="false">
+        </service>
     </application>
 </manifest>

samples/LiveEffect/src/main/java/com/google/oboe/samples/liveEffect/DuplexStreamForegroundService.java

@@ -0,0 +1,90 @@
+package com.google.oboe.samples.liveEffect;
+
+import android.app.ForegroundServiceStartNotAllowedException;
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.Service;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ServiceInfo;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.Message;
+import android.util.Log;
+import android.widget.Toast;
+
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.ServiceCompat;
+import androidx.core.content.ContextCompat;
+
+public class DuplexStreamForegroundService extends Service {
+    private static final String TAG = MainActivity.class.getName();
+    public static final String ACTION_START = "ACTION_START";
+    public static final String ACTION_STOP = "ACTION_STOP";
+
+    public void startForegroundService1() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            startForeground(1, buildNotification(),
+                                ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PLAYBACK
+                                        | ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE);
+        }
+    }
+
+    public void stopForegroundService() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            stopForeground(STOP_FOREGROUND_REMOVE);
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        // We don't provide binding, so return null
+        return null;
+    }
+
+    private Notification buildNotification() {
+        NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            manager.createNotificationChannel(new NotificationChannel(
+                    "all",
+                    "All Notifications",
+                    NotificationManager.IMPORTANCE_NONE));
+
+            return new Notification.Builder(this, "all")
+                    .setContentTitle("Recording audio")
+                    .setContentText("recording...")
+                    .setSmallIcon(R.drawable.balance_seekbar)
+                    .build();
+        }
+        return null;
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Log.i(TAG, "Receive onStartCommand" + intent);
+        switch (intent.getAction()) {
+            case ACTION_START:
+                Log.i(TAG, "Receive ACTION_START" + intent.getExtras());
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                    startForeground(1, buildNotification(),
+                            ServiceInfo.FOREGROUND_SERVICE_TYPE_MEDIA_PLAYBACK
+                                    | ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE);
+                }
+                break;
+            case ACTION_STOP:
+                Log.i(TAG, "Receive STOP_RECORD" + intent.getExtras());
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                    stopForeground(STOP_FOREGROUND_REMOVE);
+                }
+                break;
+        }
+        return START_NOT_STICKY;
+    }
+}

samples/LiveEffect/src/main/java/com/google/oboe/samples/liveEffect/MainActivity.java

@@ -16,8 +16,11 @@
 
 package com.google.oboe.samples.liveEffect;
 
+import static com.google.oboe.samples.liveEffect.DuplexStreamForegroundService.ACTION_START;
+
 import android.Manifest;
 import android.app.Activity;
+import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.media.AudioManager;
 import android.os.Build;
@@ -126,6 +129,12 @@ public void onClick(View v) {
         LiveEffectEngine.setDefaultStreamValues(this);
         setVolumeControlStream(AudioManager.STREAM_MUSIC);
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            Intent serviceIntent = new Intent(ACTION_START, null, this,
+                    DuplexStreamForegroundService.class);
+            startForegroundService(serviceIntent);
+        }
+
         onStartTest();
     }
 
@@ -163,6 +172,12 @@ protected void onPause() {
     @Override
     protected void onDestroy() {
         onStopTest();
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            Intent serviceIntent = new Intent(ACTION_START, null, this,
+                    DuplexStreamForegroundService.class);
+            startForegroundService(serviceIntent);
+        }
         super.onDestroy();
     }