如何在滚动视图中触摸按钮时更改按钮的颜色？

I am trying to make a scrollview which contains 3 buttons, and I want to allow these three buttons to change color onTouch;however, when I tried to set an onTouchListener, the button, when touched, changed color, but when I lifted my finger, it didn't change. Is there anyway I can do this?I am trying to make a scrollview which contains