AudioManager <span style="color: rgb(70, 70, 70); font-size: 14px; line-height: 21px; background-color: rgb(234, 247, 253);">mAudioManager </span>= (AudioManager) context
.getSystemService(Context.AUDIO_SERVICE);
audioManager.adjustStreamVolume(AudioManager.STREAM_SYSTEM,
AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
2,減小音量
<span style="font-family:FangSong_GB2312;">audioManager.adjustStreamVolume(AudioManager.STREAM_SYSTEM,
AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);</span>
setStreamVolume(int streamType, int index, int flags)
STREAM_SYSTEM
系統,STREAM_RING鈴聲,STREAM_MUSIC音樂等;
<span style="font-family:FangSong_GB2312;">//最大音量
int maxVolume = audioManager
.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
//當前音量
int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);</span>
<span style="font-family:FangSong_GB2312;">//通話音量
int max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_VOICE_CALL );
int current = mAudioManager.getStreamVolume( AudioManager.STREAM_VOICE_CALL );
//系統音量
int max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_SYSTEM );
current = mAudioManager.getStreamVolume( AudioManager.STREAM_SYSTEM );
//鈴聲音量
max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_RING );
current = mAudioManager.getStreamVolume( AudioManager.STREAM_RING );
//音樂音量
max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_MUSIC );
current = mAudioManager.getStreamVolume( AudioManager.STREAM_MUSIC );
//提示聲音音量
max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_ALARM );
current = mAudioManager.getStreamVolume( AudioManager.STREAM_ALARM );</span>