/** * Android 系统声音控制对象 */ AudioManager audioManager; //根据AudioManager 对象获得系统声音的服务 audioManager = (AudioManager)getSystemService(AUDIO_SERVICE); int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC); int currentVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC); audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, progress, MaxVolume);
/**
* @return Whether fm is being played right now.
*/
boolean isFmActive() {
final AudioManager am = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
if (am == null) {
Log.w(TAG, "isFmActive: couldn't get AudioManager reference");
return false;
}
return am.isFmActive();
}