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Question by IronPikachu · May 21, 2018 at 07:33 PM · android

Lock app to screen - Android

I know the title's a bit vague, so I'll try to do my best explaining what I want. I don't know if this is done by any apps already, maybe some antivirus/mobile security apps, but I'm curious as to whether it's possible to make an app persistent until a certain condition is satisfied. Like, a screen on the app stays on the phone's screen no matter if the home, back, or recents button is pressed. And if the phone is put into standby, the first thing the user sees is the screen of the app, and they can't get rid of it until the conditions are fulfilled. [For context, I'm thinking of testing this on my own phone as sort of a 'controlling' thing, like it stays on screen until I finish a thing I have on my to-do list or something.]

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Answer by Hoorza · May 22, 2018 at 07:27 PM

I think this might be hard to achieve if not impossible. Buttons like "home" are designed to close any app. Be it a app stuck in a bad loop, frozen or a malware or ransomware application of some sort. I know that some apps will tell you when you press "back" button in what seems like a main screen that if you press the back button the app will close but I think it is more of a trick than changed functionality of the main buttons.

EDIT: I had a quick look cause you got me intrigued about it and it looks like it is doable. Here is a SHORT VIDEO about the app that can remap the buttons. Have not tested it. It can add and change functionality to both hardware and virtual buttons. They mentioned that only the power button is not editable for security reasons. Hope it is a start.

@IronPikachu

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