I bought a Logitech Marble Trackman. I am used to hold one button and roll the ball to scroll under linux. Now I am working under Win8 and installed Logitech SetPoint. Now I have Universal Scroll a...

I want to listen to a ScrollView to see if it is scrolling. I used OnTouchListener, it works well. But when I want to add compatibility to trackball using OnKeyListener or overriding the OnKeydown ...