//音量控制,初始化定义 AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); //最大音量 int maxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC); //当前音量 int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
if(isSilent){ mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, 0, 0); }else{ mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, tempVolume, 0); //tempVolume:音量绝对值 }
//降低音量,调出系统音量控制 if(flag == 0){ mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_LOWER, AudioManager.FX_FOCUS_NAVIGATION_UP); } //增加音量,调出系统音量控制 else if(flag == 1){ mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_RAISE, AudioManager.FX_FOCUS_NAVIGATION_UP); }