android 放大一个区域,Android开发工具类：点击扩大点击区域的

释放双眼，带上耳机，听听看~！

package com.sikkha.skline.utils;

import android.graphics.Rect;

import android.view.TouchDelegate;

import android.view.View;

/**

* ================================================

*

* @author：Vip 版 本：V 5.0.0

* 创建日期：2018/8/29

* 描 述：点击扩大点击区域的工具类

* 修订历史：

* ================================================

*/

public class TouchDelegateUtils {

/**

* 增加控件的可点击范围，最大范围只能是父布局所包含的的区域

*/

public static void addDefaultScreenArea(final View view, final int top, final int bottom, final int left, final int right) { // 增大checkBox的可点击范围

final View parent = (View) view.getParent();

parent.post(new Runnable() {

@Override

public void run() {

Rect bounds = new Rect();

view.setEnabled(true);

view.getHitRect(bounds);

bounds.top -= top;

bounds.bottom += bottom;

bounds.left -= left;

bounds.right += right;

TouchDelegate touchDelegate = new TouchDelegate(bounds, view);

if (View.class.isInstance(view.getParent())) {

((View) view.getParent()).setTouchDelegate(touchDelegate);

}

}

});

}

/**

* 还原View的触摸和点击响应范围,最小不小于View自身范围

*

* @param view

*/

public static void restoreViewTouchDelegate(final View view) {

((View) view.getParent()).post(new Runnable() {

@Override

public void run() {

Rect bounds = new Rect();

bounds.setEmpty();

TouchDelegate touchDelegate = new TouchDelegate(bounds, view);

if (View.class.isInstance(view.getParent())) {

((View) view.getParent()).setTouchDelegate(touchDelegate);

}

}

});

}

}