multithreading - Android : Finding the top of the thread hierarchy in order to keep the screen awake -


i have android app. created processing.

i'm trying stop screen going sleep. , looks though view.setkeepscreenon() i'm looking for.

however, when view of app. , try call it, following error : 

android.view.viewrootimpl$calledfromwrongthreadexception: original thread created view hierarchy can touch views.

how can thread in order put code there?

try wrapping runnable , using activity.runonuithread().


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