Galaxy tab 2 10.1 is showing x and y coordinates and mouse lines on the screen My Galaxy tab 2 10.1 is showing x and y coordinates across the top of the screen. When I swipe my finger on the screen, a line is trailing behind it, like what I am doing are showing. It was normal one day, then showing this the next day. 

Does anyone know how to hide these details?
Goto Settings--> Developer options-->(Uncheck) Pointer location.

Thats it.