Detect if the touch on the screen is at the region of the view. - Android User Interface

Android examples for User Interface:Touch Event

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Description

Detect if the touch on the screen is at the region of the view.

Demo Code

/*/* ww w.j  av  a 2  s  . c om*/
 * Copyright (C) 2016 Pedro Paulo de Amorim
 *
 * 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.
 */
//package com.java2s;
import android.view.View;

public class Main {
    /**
     * Detect if the touch on the screen is at the region of the view.
     *
     * @param view Instance of the view that will be verified.
     * @param x    X position of the touch.
     * @param y    Y position of the touch.
     * @return Position is at the region of the view.
     */
    public static boolean isViewHit(View view, View origin, int x, int y) {
        int[] viewLocation = new int[2];
        view.getLocationOnScreen(viewLocation);
        int[] parentLocation = new int[2];
        origin.getLocationOnScreen(parentLocation);
        int screenX = parentLocation[0] + x;
        int screenY = parentLocation[1] + y;
        return screenX >= viewLocation[0]
                && screenX < viewLocation[0] + view.getWidth()
                && screenY >= viewLocation[1]
                && screenY < viewLocation[1] + view.getHeight();
    }
}

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