扩大View的点击范围本人知道的有两种方法,在不影响界面效果的前提下:
1、在View的外面添加一个透明容器
2、就是本文要说的,代码如下 :
public void addToParentArea(final View view) { DisplayMetrics metric = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metric); final float density = metric.density; final View parent = (View) view.getParent(); parent.post(new Runnable() { public void run() { // View的点击范围向四周扩大30个单位 final Rect r = new Rect(); view.getHitRect(r); r.right += 30 * density; r.left += 30 * density; r.bottom += 30 * density; r.top += 30 * density; parent.setTouchDelegate(new TouchDelegate(r, view)); } }); }