我怎么知道什么是最大的音量值在android

Question

AudioManager mgr=null 
mgr = (AudioManager) getActivity().getSystemService(Context.AUDIO_SERVICE); 
mgr.setStreamVolume(AudioManager.STREAM_MUSIC, 100, 
    AudioManager.FLAG_SHOW_UI + AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE); 

Answer 1

试试这个。

audioManager.setStreamVolume(AudioManager.STREAM_MUSIC,audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC),0);`