ViewUtils.java

package com.jingewenku.abrahamcaijin.commonutil;

import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;

/**
 * @Description:主要功能:
 * @Prject: CommonUtilLibrary
 * @Package: com.jingewenku.abrahamcaijin.commonutil
 * @author: AbrahamCaiJin
 * @date: 2017年05月16日 15:42
 * @Copyright: 个人版权所有
 * @Company:
 * @version: 1.0.0
 */

public class ViewUtils {

    private ViewUtils() {
        throw new UnsupportedOperationException("cannot be instantiated");
    }

    /**
     * 把自身从父View中移除
     */
    public static void removeSelfFromParent(View view) {
        if (view != null) {
            ViewParent parent = view.getParent();
            if (parent != null && parent instanceof ViewGroup) {
                ViewGroup group = (ViewGroup) parent;
                group.removeView(view);
            }
        }
    }

    /**
     * 判断触点是否落在该View上
     */
    public static boolean isTouchInView(MotionEvent ev, View v) {
        int[] vLoc = new int[2];
        v.getLocationOnScreen(vLoc);
        float motionX = ev.getRawX();
        float motionY = ev.getRawY();
        return motionX >= vLoc[0] && motionX <= (vLoc[0] + v.getWidth())
            && motionY >= vLoc[1] && motionY <= (vLoc[1] + v.getHeight());
    }

}