Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2012 Jason Polites
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.graphics.PointF;
import android.view.MotionEvent;

public class Main {
    public static float distance(MotionEvent event) {
        float x = event.getX(0) - event.getX(1);
        float y = event.getY(0) - event.getY(1);
        return (float) Math.sqrt(x * x + y * y);
    }

    public static float distance(PointF p1, PointF p2) {
        float x = p1.x - p2.x;
        float y = p1.y - p2.y;
        return (float) Math.sqrt(x * x + y * y);
    }

    public static float distance(float x1, float y1, float x2, float y2) {
        float x = x1 - x2;
        float y = y1 - y2;
        return (float) Math.sqrt(x * x + y * y);
    }
}