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我想設置鬧鐘的音量。我使用這段代碼,但是卷似乎沒有任何變化,只有日誌顯示了我設置的卷的值。我應該怎麼做才能真正改變音量?更改鬧鐘的音量
我的代碼:
final MediaPlayer mediaPlayer = MediaPlayer.create(this, RingtoneManager.getActualDefaultRingtoneUri(this,RingtoneManager.TYPE_ALARM));
final AudioManager audio = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
final int currentVolume = audio.getStreamVolume(AudioManager.STREAM_ALARM);
Log.e("Point_1", "Volume " + currentVolume);
audio.setStreamVolume(AudioManager.STREAM_ALARM,0,0);
mediaPlayer.start();
new Timer().schedule(new TimerTask() {
@Override
public void run() {
mediaPlayer.stop();
Log.e("Point_1", "Volume_after " + audio.getStreamVolume(AudioManager.STREAM_ALARM));
}
}, 5000);
感謝。
嘿,謝謝!另外,你能告訴我有什麼方法可以將最大音量除以100,然後用它作爲setStreamVolume的值嗎? – Steve
看到這個http://stackoverflow.com/questions/15670524/how-to-turn-the-volume-to-max-programmatically-on-android – zohreh