How can a long key press (volume keys) be detected in Android when the screen is off? Is there any way to do this?
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How can a long key press (volume keys) be detected in Android when the screen is off? Is there any way to do this?
This is not possible, sorry. The only thing that could possibly detect a long press of a volume button is a foreground activity. This also assumes that the device has hardware volume buttons, and not all devices do.