Java tutorial
//package com.java2s; import android.graphics.PointF; public class Main { /** * Find the distance between two points. * * @param one * @param two * @return the distance between point one and two */ private static float getDistanceBetweenTwoPoints(PointF one, PointF two) { float dx = one.x - two.x; // horizontal difference float dy = one.y - two.y; // vertical difference float dist = (float) Math.sqrt(dx * dx + dy * dy); return dist; } }