Even if it's (somehow) understandable to turn screen on while connecting charger, why it turns on also on disconnecting? Whats behind the design decision for this?
Is there native way of preventing this behaviour?
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In case you don't know that the power has been accidentally cut. – iBug Nov 13 '17 at 1:34
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By using whats left of battery power while you probably wont even notice? – madneon Nov 13 '17 at 1:39
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1As you did neither specify which device it is nor which Android version and ROM it's running, we must guess here. Do you have developer options enabled? Many ROMs have a setting there to influence exactly that: whether the screen should turn on when connected to a power source, and another one on whether it shall be kept on while connected (useful for developers when debugging their app, hence in developer settings). – Izzy♦ Nov 13 '17 at 7:30
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2Possible duplicate of How to make screen stay turned off when plugging charger? – Grimoire Nov 13 '17 at 20:12
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1@Izzy I've checked developer options on different Android version from 4.0 to 7.0, never found an option to make screen stay off. My question is about reason behind this "feature", as I doubt it is useful in any way. – madneon Nov 14 '17 at 9:53
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You can disable it on settings, depending of your device and ROM.
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2It would be great if you were to provide some example screenshots of where the option can be found in the settings app in various ROMs. – Kyle Applin Nov 13 '17 at 16:31
