Add KeyListener and Draw To Screen in All Apps on Android
I have a pretty nice idea to implement. What I need is to somehow add a
keylistener to the keyboard at all apps and to draw on all app's screens,
including the browsers. Which means that I need to override the native
keyboard and the native screen. Preferably in Java (I don't know if there
is another language for Andoird, Java is the best one I know).
Could someone suggest me a way to override native keyboard\screen on
Android? (OR just to do what I need, whichever is correct.)
Here's a way to do it on Windows. Not tested though.
http://kra.lc/blog/2011/07/java-global-system-hook/
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