1 /* 2 * Copyright (C) 2009 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.android.inputmethod.pinyin; 18 19 import android.content.Context; 20 import android.media.AudioManager; 21 22 /** 23 * Class used to manage related sound resources. 24 */ 25 public class SoundManager { 26 private static SoundManager mInstance = null; 27 private Context mContext; 28 private AudioManager mAudioManager; 29 // Align sound effect volume on music volume 30 private final float FX_VOLUME = -1.0f; 31 private boolean mSilentMode; 32 SoundManager(Context context)33 private SoundManager(Context context) { 34 mContext = context; 35 updateRingerMode(); 36 } 37 updateRingerMode()38 public void updateRingerMode() { 39 if (mAudioManager == null) { 40 mAudioManager = (AudioManager) mContext 41 .getSystemService(Context.AUDIO_SERVICE); 42 } 43 mSilentMode = (mAudioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL); 44 } 45 getInstance(Context context)46 public static SoundManager getInstance(Context context) { 47 if (null == mInstance) { 48 if (null != context) { 49 mInstance = new SoundManager(context); 50 } 51 } 52 return mInstance; 53 } 54 playKeyDown()55 public void playKeyDown() { 56 if (mAudioManager == null) { 57 updateRingerMode(); 58 } 59 if (!mSilentMode) { 60 int sound = AudioManager.FX_KEYPRESS_STANDARD; 61 mAudioManager.playSoundEffect(sound, FX_VOLUME); 62 } 63 } 64 } 65