I want to create an app to unlock phone after a custom series of taps that the user define it in the app just like the LG tap to unlock option,can anybody tell me how to do it.
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"how to do it" -- how to do *what*? Please tell us what you have tried and what specific problems you encountered. – CommonsWare May 18 '14 at 18:16
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I have been searching the web for a code that i can use to keep the touch screen on while the display is off but i can't find anything,i want to keep the touch screen on so that when the user tap the screen with his secret lock defined in app it unlocks the screen,so can u tell me how to keep the touch screen on while the display is off? – user3609556 May 18 '14 at 18:45
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That is not possible in general. Some specialized hardware may support this, but probably not at the level that developers can control. – CommonsWare May 18 '14 at 18:46