1 /* 2 * Copyright (C) 2014 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 17 package com.example.android.wearable.findphone; 18 19 import android.media.AudioManager; 20 import android.media.MediaPlayer; 21 import android.media.RingtoneManager; 22 import android.net.Uri; 23 import android.util.Log; 24 25 import com.google.android.gms.wearable.DataEvent; 26 import com.google.android.gms.wearable.DataEventBuffer; 27 import com.google.android.gms.wearable.DataMap; 28 import com.google.android.gms.wearable.WearableListenerService; 29 30 import java.io.IOException; 31 32 /** 33 * Listens for disconnection from home device. 34 */ 35 public class SoundAlarmListenerService extends WearableListenerService { 36 37 private static final String TAG = "ExampleFindPhoneApp"; 38 39 private static final String FIELD_ALARM_ON = "alarm_on"; 40 41 private AudioManager mAudioManager; 42 private static int mOrigVolume; 43 private int mMaxVolume; 44 private Uri mAlarmSound; 45 private MediaPlayer mMediaPlayer; 46 47 @Override 48 public void onCreate() { 49 super.onCreate(); 50 mAudioManager = (AudioManager) getSystemService(AUDIO_SERVICE); 51 mOrigVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_ALARM); 52 mMaxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_ALARM); 53 mAlarmSound = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM); 54 mMediaPlayer = new MediaPlayer(); 55 } 56 57 @Override 58 public void onDestroy() { 59 // Reset the alarm volume to the user's original setting. 60 mAudioManager.setStreamVolume(AudioManager.STREAM_ALARM, mOrigVolume, 0); 61 mMediaPlayer.release(); 62 super.onDestroy(); 63 } 64 65 @Override 66 public void onDataChanged(DataEventBuffer dataEvents) { 67 if (Log.isLoggable(TAG, Log.DEBUG)) { 68 Log.d(TAG, "onDataChanged: " + dataEvents + " for " + getPackageName()); 69 } 70 for (DataEvent event : dataEvents) { 71 if (event.getType() == DataEvent.TYPE_DELETED) { 72 Log.i(TAG, event + " deleted"); 73 } else if (event.getType() == DataEvent.TYPE_CHANGED) { 74 Boolean alarmOn = 75 DataMap.fromByteArray(event.getDataItem().getData()).get(FIELD_ALARM_ON); 76 if (alarmOn) { 77 mOrigVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_ALARM); 78 mMediaPlayer.reset(); 79 // Sound alarm at max volume. 80 mAudioManager.setStreamVolume(AudioManager.STREAM_ALARM, mMaxVolume, 0); 81 mMediaPlayer.setAudioStreamType(AudioManager.STREAM_ALARM); 82 try { 83 mMediaPlayer.setDataSource(getApplicationContext(), mAlarmSound); 84 mMediaPlayer.prepare(); 85 } catch (IOException e) { 86 Log.e(TAG, "Failed to prepare media player to play alarm.", e); 87 } 88 mMediaPlayer.start(); 89 } else { 90 // Reset the alarm volume to the user's original setting. 91 mAudioManager.setStreamVolume(AudioManager.STREAM_ALARM, mOrigVolume, 0); 92 if (mMediaPlayer.isPlaying()) { 93 mMediaPlayer.stop(); 94 } 95 } 96 } 97 } 98 } 99 100 } 101
