[英]Turn off screen from Android service
How can I turn off screen in Android from a Service? 如何在Android中通过服务关闭屏幕?
I tried with a wakelock (with permission in manifest) but it doesn't work (screen doesn't turn off). 我尝试了唤醒锁(清单中有许可),但是它不起作用(屏幕无法关闭)。
PS I don't want to use a dummy activity which set brightness to 0. PS我不想使用将亮度设置为0的虚拟活动。
public class Servizio extends Service {
PowerManager.WakeLock wl;
public class LocalBinder extends Binder {
Servizio getService() {
return Servizio.this;
}
}
private final IBinder mBinder = new LocalBinder();
@Override
public IBinder onBind(Intent arg0) {
return mBinder;
}
@Override
public void onCreate() {
super.onCreate();
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "My Tag");
wl.acquire();
wl.release();
}
@Override
public void onDestroy() {
super.onDestroy();
}
}
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