The system reserves two Unicode characters to perform special functions: Then, shows how to map those Android key codes to Unicode characters when typing, so you can assign, for a given keystroke and modifiers combination, any Unicode character by its hex code, or one of the "magic" hex codes below: There's an app, Key Test by Chris Boyle, that will assist identifying key scan codes from your keyboard. That's an optional step, useful if there are keys in your keyboard that do nothing in Android, or to remap the ones you don't use (multimedia keys, etc.). These two pages have the answer:įirst, explains how to edit the files that map any key scan codes of your USB keyboard (or even joystick buttons and the device's physical and touch buttons) to standard Android key codes. There is a way, actually! By editing system files in a rooted device through ADB.
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