Java tutorial
//package com.java2s; import android.graphics.PointF; import android.view.MotionEvent; public class Main { static void midPointOfEvent(PointF point, MotionEvent event) { if (event.getPointerCount() == 2) { float x = event.getX(0) + event.getX(1); float y = event.getY(0) + event.getY(1); point.set(x / 2, y / 2); } } }