Android开发中获取铃声和音量

通过程序获取android系统手机的铃声和音量。设置音量的方法也很简单,AudioManager提供了方法:
  publicvoidsetStreamVolume(intstreamType,intindex,intflags)其中streamType有内置的常量,去文档里面就可以看到。

  Java代码:

  AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

  //通话音量

  int max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_VOICE_CALL );
  int current = mAudioManager.getStreamVolume( AudioManager.STREAM_VOICE_CALL );
  Log.d(“VIOCE_CALL”, “max : ” + max + ” current : ” + current);

  //系统音量

  max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_SYSTEM );
  current = mAudioManager.getStreamVolume( AudioManager.STREAM_SYSTEM );
  Log.d(“SYSTEM”, “max : ” + max + ” current : ” + current);

  //铃声音量

  max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_RING );
  current = mAudioManager.getStreamVolume( AudioManager.STREAM_RING );
  Log.d(“RING”, “max : ” + max + ” current : ” + current);

  //音乐音量

  max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_MUSIC );
  current = mAudioManager.getStreamVolume( AudioManager.STREAM_MUSIC );
  Log.d(“MUSIC”, “max : ” + max + ” current : ” + current);

  //提示声音音量

  max = mAudioManager.getStreamMaxVolume( AudioManager.STREAM_ALARM );
  current = mAudioManager.getStreamVolume( AudioManager.STREAM_ALARM );
  Log.d(“ALARM”, “max : ” + max + ” current : ” + current);

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