前言
由于最近项目遇到，蓝牙手表设备在不配对的情况下监听按键给出相应的控制回应，所以研究了下
网上找了很多不过对于现在来说，很多手机设置没有反应，这里给出一个比较统一的方法
项目需求如下图：
项目需求
方法如下：
*这里主要是为了控制的实现其他的不多说，直接上代码，只是记录下以后也许还会用到
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private long eventtime = 0;private AudioManager vAudioManager = null; //此处在onCreate方法中初始化 eventtime = SystemClock.uptimeMillis();vAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);//这是播放或者暂停if (vAudioManager.isMusicActive()){ Toast.makeText(getApplicationContext(), "有音乐在播放---暂停", Toast.LENGTH_SHORT).show(); pauseMusic();//暂停}else { Toast.makeText(getApplicationContext(), "无音乐在播放--开始", Toast.LENGTH_SHORT).show(); playMusic();//播放} |
*主要控制代码
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/** * 暂停 */private void pauseMusic() { if (eventtime<=0)return; Intent downIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent downEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PAUSE, 0); downIntent.putExtra(Intent.EXTRA_KEY_EVENT, downEvent); sendOrderedBroadcast(downIntent, null); Intent upIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent upEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PAUSE, 0); upIntent.putExtra(Intent.EXTRA_KEY_EVENT, upEvent); sendOrderedBroadcast(upIntent, null);}/** * 播放 */private void playMusic() { if (eventtime<=0)return; Intent downIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent downEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY, 0); downIntent.putExtra(Intent.EXTRA_KEY_EVENT, downEvent); sendOrderedBroadcast(downIntent, null); Intent upIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent upEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PLAY, 0); upIntent.putExtra(Intent.EXTRA_KEY_EVENT, upEvent); sendOrderedBroadcast(upIntent, null);}/** * 上一曲 */private void lastMusic() { if (eventtime<=0)return; Intent downIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent downEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PREVIOUS, 0); downIntent.putExtra(Intent.EXTRA_KEY_EVENT, downEvent); sendOrderedBroadcast(downIntent, null); Intent upIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent upEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_PREVIOUS, 0); upIntent.putExtra(Intent.EXTRA_KEY_EVENT, upEvent); sendOrderedBroadcast(upIntent, null);}/** * 下一曲 */private void nextMusic() { if (eventtime<=0)return; Intent downIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent downEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_NEXT, 0); downIntent.putExtra(Intent.EXTRA_KEY_EVENT, downEvent); sendOrderedBroadcast(downIntent, null); Intent upIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null); KeyEvent upEvent = new KeyEvent(eventtime, eventtime, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_MEDIA_NEXT, 0); upIntent.putExtra(Intent.EXTRA_KEY_EVENT, upEvent); sendOrderedBroadcast(upIntent, null);} |
下面这个是控制系统媒体音量键的加减
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// 调低音量vAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);// 调高音量vAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI); |
总结
以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作具有一定的参考学习价值，如果有疑问大家可以留言交流，谢谢大家对服务器之家的支持。
原文链接：https://www.jianshu.com/p/a1a5a02f7c5f
