block the "erase" of the screen by time of inactivity


My application works as a guide for a professional illuminator, it works passively (responds via Bluetooth to user commands in your working tool) or offline where the user can operate it manually in parallel with their tool , the issue is that on both occasions the user would stay a long time without interacting with the application, however reading your data constantly, it is essential that the screen does not turn off or dim, I know that the user may well set this manually, but I wanted from within the application.

I searched on Google but only bullshit, talking about app to save battery and etc., the problem is that the keywords are the same as several questions of lay users.

I searched the site but found nothing here.

I searched Google Developers, but because I did not know English very well, and because their explanation was not very intuitive, I did not get constructive results. Can someone help me?

asked by anonymous 24.10.2014 / 18:39

2 answers


Try to put this in onCreate of your Activity


Or within your layout:

<RelativeLayout xmlns:android=""

If you want to read more about:


I hope it helps!

24.10.2014 / 18:48

I think you'll need this WakeLock , but it seems that the answer above also resolves the doubt do the test with both on different devices.

You also have the option to partially do this WakeLock Partial

PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, TAG);
wl.acquire(); //informa para nao desligar a tela

//quando sair da atividade ou do apk 
wl.release(); //informa que já esta liberado para desligar
24.10.2014 / 18:59