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For testing OpenCV with android, I installed a simple opencv app on my android. Everything seems OK. But one problem I can see is that once screen goes to power-saving mode, the app’s screen stops responding. How can I resolve this matter? Do I have to turn the power-saving feature off when the camera is used?
You shouldn’t need a wakelock (stops power saving), ensure you are releasing the camera resource in one of the lifecycle methods onPause() or onStop() then reacquire the camera resource in onResume().