android 各種音量的獲取和設置

1、通過程序獲取roid系統(tǒng)手機的鈴聲和音量。同樣，設置鈴聲和音量的方法也很簡單!AudioManageram=(AudioManager)getSystemService(Context.AUDIO_SERVICE)通話音量intmax=am.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL)intcurrent=am.getStreamVolume(AudioManager.STREAM

2、_VOICE_CALL)Log.d(”VIOCE_CALL”“max:”max”current:”current)系統(tǒng)音量max=mAudioManager.getStreamMaxVolume(AudioManager.STREAM_SYSTEM)current=mAudioManager.getStreamVolume(AudioManager.STREAM_SYSTEM)Log.d(”SYSTEM”“max:”max”curren

3、t:”current)鈴聲音量max=mAudioManager.getStreamMaxVolume(AudioManager.STREAM_RING)current=mAudioManager.getStreamVolume(AudioManager.STREAM_RING)Log.d(”RING”“max:”max”current:”current)音樂音量max=mAudioManager.getStreamMaxVolume(

4、AudioManager.STREAM_MUSIC)current=mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC)Log.d(”MUSIC”“max:”max”current:”current)提示聲音音量max=am.getStreamMaxVolume(AudioManager.STREAM_ALARM)current=sm.getStreamVolume(Audio

5、Manager.STREAM_ALARM)Log.d(”ALARM”“max:”max”current:”current)設置音量的方法也很簡單，AudioManager提供了方法：publicvoidsetStreamVolume(intstreamTypeintindexintflags)其中streamType有內置的常量可以在AudioManager里面查到相關的定義。eoeroidsetVolume(leftVolumerig