Android 使用PowerManager后，我的设备再也不会进入睡眠模式

我正在做一个应用程序，并在三星galaxy Y（安卓2.3.6）和Engel tablet 7（安卓4.0.x）设备上进行测试

在我的应用程序代码中，我使用这段代码是为了唤醒设备（当它们处于睡眠模式时），并且工作正常，但现在我的问题是，唤醒后，它们再也不会进入睡眠模式，只有当我按下硬件按钮时，它们才会进入睡眠模式。 有人知道我如何在使用PowerManager？后设置默认能量设置吗

KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE); 
    final KeyguardManager.KeyguardLock kl = km .newKeyguardLock("MyKeyguardLock"); 
    kl.disableKeyguard(); 

    PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 
    WakeLock wakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK
                                     | PowerManager.ACQUIRE_CAUSES_WAKEUP
                                     | PowerManager.ON_AFTER_RELEASE, "MyWakeLock");
    wakeLock.acquire();

试试这个：

void wakeUpGirls() {
    if (wakeLock != null) {
     wakeLock.release();
    }
   KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
   KeyguardLock keyguardLock = km.newKeyguardLock("TAG");
   getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
  getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);

   keyguardLock.disableKeyguard();
   PowerManager pm = (PowerManager)getSystemService(Context.POWER_SERVICE);
   wakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK 
               | PowerManager.ACQUIRE_CAUSES_WAKEUP 
               | PowerManager.ON_AFTER_RELEASE 
               | PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "MyWakeLock");

   wakeLock.acquire();
}

void sleepGirls() {
    if (wakeLock != null) {
      wakeLock.release();
        wakeLock = null;
   }
}

---

用这个吧，对我有用

  PowerManager powermanager=  ((PowerManager)getSystemService(Context.POWER_SERVICE));
  WakeLock wakeLock = powermanager.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "tag");
            wakeLock.acquire(9000);
            wakeLock.release

  KeyguardManager km =(KeyguardManager)getSystemService(KEYGUARD_SERVICE);
            k1 = km.newKeyguardLock("IN");
            k1.disableKeyguard();

也许还有一个“不释放”唤醒锁。所以屏幕不会关闭。我不会说英语，但我希望能有所帮助。