Java tutorial
//package com.java2s; import android.view.MotionEvent; import android.view.View; public class Main { private static boolean isPointerOutside(View v, MotionEvent event) { float x = event.getX(); float y = event.getY(); if (x < 0 || x > v.getWidth() || y < 0 || y > v.getHeight()) return true; return false; } }