介绍 import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.PointF;
import android.support.v4.view.ViewConfigurationCompat;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
,
public class SwipeLayout extends ViewGroup {
,public static String TAG =,“SwipeLayout";
,
,//可以滚动的距离
,int mSwipeWidth;
,
,
,PointF firstPoint;
,PointF lastPoint;
,
,float mTouchSlop;
,
,ValueAnimator openAnimator;
,ValueAnimator closeAnimator;
,
,public SwipeLayout (Context 上下文),{
这才能(上下文,null);
,}
,
,public SwipeLayout (Context 上下文,AttributeSet attrs), {
超级才能(上下文,attrs);
时间=mTouchSlop 才能;ViewConfigurationCompat.getScaledPagingTouchSlop (ViewConfiguration.get (getContext ()));
,}
,
,
,
,@Override
,protected void onLayout (boolean 改变,,int l, int t, int r, int b), {
int 才能;左=0;
int 才能;childCount =, getChildCount ();
,
for 才能;(int 我=0;i 1), {
,,for (int 小姐:=,1;,小姐:& lt;, childCount;, + + i), {
,,,mSwipeWidth +=, getChildAt (i) .getMeasuredWidth ();
,,}
,,}
,
,
int 才能;widthMode =, MeasureSpec.getMode (widthMeasureSpec);
int 才能;widthValue =, MeasureSpec.getSize (widthMeasureSpec);
int 才能;heightMode =, MeasureSpec.getMode (heightMeasureSpec);
int 才能;heightValue =, MeasureSpec.getSize (heightMeasureSpec);
,
switch 才能;(heightMode) {
,,case MeasureSpec.AT_MOST:
,,case MeasureSpec.UNSPECIFIED:
,,,//没有指定大小,按照第一个子控件的大小来设置
,,,height =, mainChild.getMeasuredHeight ();
,,,休息;
,,case MeasureSpec.EXACTLY:
,,,height =, heightValue;
,,,休息;
,,}
switch 才能;(widthMode) {
,,case MeasureSpec.AT_MOST:
,,case MeasureSpec.UNSPECIFIED:
,,,//没有指定大小,按照第一个子控件的大小来设置
,,,width =, mainChild.getMeasuredWidth ();
,,,休息;
,,case MeasureSpec.EXACTLY:
,,,width =, widthValue;
,,,休息;
,,}
,//,,for (int i=1; i利用android怎么实现一个左滑删除控件
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