调用原生媒体音量控制UI

媒体音量

1、调用代码如下所示

AudioManager audio = (AudioManager) getSystemService(Service.AUDIO_SERVICE); 
		audio.adjustStreamVolume(  
	            AudioManager.STREAM_MUSIC,  
	            AudioManager.ADJUST_RAISE,  
	            AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);  


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