1 /* 2 * Copyright 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.media.cts; 17 18 import android.content.ComponentName; 19 import android.content.Context; 20 import android.content.Intent; 21 import android.os.Handler; 22 import android.os.Looper; 23 import android.os.Messenger; 24 import android.util.Log; 25 26 /** Helper class to interact with the {@link LocalMediaProjectionService}. */ 27 public final class ForegroundServiceUtil { 28 private static final String TAG = "LocalMediaProjectionServiceUtil"; 29 30 static final int MSG_START_FOREGROUND_DONE = 1; 31 static final int MSG_SERVICE_DESTROYED = 2; 32 static final String EXTRA_MESSENGER = "messenger"; 33 34 /** Helper function to request to start the foreground service. */ requestStartForegroundService( Context context, ComponentName name, Runnable serviceStarted, Runnable serviceStopped)35 public static void requestStartForegroundService( 36 Context context, ComponentName name, Runnable serviceStarted, Runnable serviceStopped) { 37 final Messenger messenger = 38 new Messenger( 39 new Handler( 40 Looper.getMainLooper(), 41 msg -> { 42 switch (msg.what) { 43 case MSG_START_FOREGROUND_DONE: 44 if (serviceStarted != null) { 45 serviceStarted.run(); 46 } 47 return true; 48 case MSG_SERVICE_DESTROYED: 49 if (serviceStopped != null) { 50 serviceStopped.run(); 51 } 52 return true; 53 } 54 Log.e( 55 TAG, 56 "Unknown message from the LocalMediaProjectionService: " 57 + msg.what); 58 return false; 59 })); 60 final Intent intent = new Intent().setComponent(name).putExtra(EXTRA_MESSENGER, messenger); 61 context.startForegroundService(intent); 62 } 63 } 64