android螢幕休眠和喚醒兩種方法(newWakeLock)
1.WakeLock主要程式碼如下:
PowerManager pm = (PowerManager)getSystemService(Context.POWER_SERVICE);wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, this.getClass().getName());//持有喚醒鎖
wakeLock.setReferenceCounted(false);
wakeLock.acquire(30*1000);//30s亮屏
wakeLock.release();//釋放鎖,滅屏
2.FLAG_KEEP_SCREEN_ON程式碼如下
可使用 FLAG_KEEP_SCREEN_ON 替換WakeLock的方式.
this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//亮屏
this.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//滅屏