From 0674bf63e9073df5b31e6178c0ddc92dd4a478fa Mon Sep 17 00:00:00 2001
From: user <jyc0904@163.com>
Date: Sat, 29 Oct 2016 16:58:45 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E7=9A=84=E6=96=87=E4=BB=B6?=
 =?UTF-8?q?=EF=BC=9ASwipeMenuListView=E3=80=82=20=E4=BF=AE=E6=94=B9?=
 =?UTF-8?q?=E4=BA=86=E5=BD=93List=E4=B8=AD=E5=B7=B2=E7=BB=8F=E6=9C=89?=
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 =?UTF-8?q?=EF=BC=8C=E6=AD=A4=E6=97=B6=E6=BB=91=E5=8A=A8=E5=8F=A6=E4=B8=80?=
 =?UTF-8?q?=E4=B8=AAitem(item2)=EF=BC=8Citem1=E4=B8=8D=E5=85=B3=E9=97=AD?=
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---
 .../swipemenulistview/SwipeMenuLayout.java    |  4 +--
 .../swipemenulistview/SwipeMenuListView.java  | 26 +++++++++++++++----
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuLayout.java b/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuLayout.java
index 3601686..e4d8399 100644
--- a/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuLayout.java
+++ b/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuLayout.java
@@ -188,8 +188,8 @@ public boolean onSwipe(MotionEvent event) {
 		case MotionEvent.ACTION_UP:
 			if ((isFling || Math.abs(mDownX - event.getX()) > (mMenuView.getWidth() / 2)) &&
 					Math.signum(mDownX - event.getX()) == mSwipeDirection) {
-				// open
-				smoothOpenMenu();
+				if(state != STATE_OPEN)  //判断一下更好
+				   smoothOpenMenu();// open
 			} else {
 				// close
 				smoothCloseMenu();
diff --git a/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuListView.java b/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuListView.java
index 48aaea0..de9cc6b 100644
--- a/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuListView.java
+++ b/library/src/main/java/com/baoyz/swipemenulistview/SwipeMenuListView.java
@@ -30,6 +30,8 @@ public class SwipeMenuListView extends ListView {
     private float mDownY;
     private int mTouchState;
     private int mTouchPosition;
+	//the last position/上一次点击的位置
+	private int mOldTouchPosition = -1;  
     private SwipeMenuLayout mTouchView;
     private OnSwipeListener mOnSwipeListener;
 
@@ -160,20 +162,34 @@ public boolean onTouchEvent(MotionEvent ev) {
         int action = ev.getAction();
         switch (action) {
             case MotionEvent.ACTION_DOWN:
-                int oldPos = mTouchPosition;
-                mDownX = ev.getX();
+                //int oldPos = mTouchPosition;//this is wrong/这里不能这么写，mTouchPosition与oldPos是永远相等的
+                //-1是初始值，根据是否等于-1，判断是否第一次按下
+				if(mOldTouchPosition == -1){//-1 is the original value
+                    mOldTouchPosition = mTouchPosition;
+                }
+				mDownX = ev.getX();
                 mDownY = ev.getY();
                 mTouchState = TOUCH_STATE_NONE;
 
                 mTouchPosition = pointToPosition((int) ev.getX(), (int) ev.getY());
-
-                if (mTouchPosition == oldPos && mTouchView != null
+                //在这里mTouchPosition与oldPos是永远相等的，达不到想要的结果，因为它俩对应一个MotionEvent
+                /*if (mTouchPosition == oldPos && mTouchView != null
+                        && mTouchView.isOpen()) {
+                    mTouchState = TOUCH_STATE_X;
+                    mTouchView.onSwipe(ev);
+                    return true;
+                }*/
+				//这里的mOldTouchPosition才是上一次的position
+                if (mTouchPosition == mOldTouchPosition && mTouchView != null
                         && mTouchView.isOpen()) {
                     mTouchState = TOUCH_STATE_X;
                     mTouchView.onSwipe(ev);
                     return true;
                 }
-
+				//当位置不同时，更新mOldTouchPosition
+                if(mOldTouchPosition != mTouchPosition){ 
+                    mOldTouchPosition = mTouchPosition;  
+                }
                 View view = getChildAt(mTouchPosition - getFirstVisiblePosition());
 
                 if (mTouchView != null && mTouchView.isOpen()) {