适合RecyclerView使用的万能侧滑删除控件

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上效果图
这里写图片描述

先上代码

public class SwipeMenuLayout extends ViewGroup {    private static final String TAG = "zxt/SwipeMenuLayout";    private int mScaleTouchSlop;//为了处理单击事件的冲突    private int mMaxVelocity;//计算滑动速度用    private int mPointerId;//多点触摸只算第一根手指的速度    private int mHeight;//自己的高度    //右侧菜单宽度总和(最大滑动距离)    private int mRightMenuWidths;    //滑动判定临界值(右侧菜单宽度的40%) 手指抬起时,超过了展开,没超过收起menu    private int mLimit;    private View mContentView;//2016 11 13 add ,存储contentView(第一个View)    //private Scroller mScroller;//以前item的滑动动画靠它做,现在用属性动画做    //上一次的xy    private PointF mLastP = new PointF();    //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击除侧滑菜单之外的区域,关闭侧滑菜单。    //增加一个布尔值变量,dispatch函数里,每次down时,为true,move时判断,如果是滑动动作,设为false。    //在Intercept函数的up时,判断这个变量,如果仍为true 说明是点击事件,则关闭菜单。     private boolean isUnMoved = true;    //2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。    //up-down的坐标,判断是否是滑动,如果是,则屏蔽一切点击事件    private PointF mFirstP = new PointF();    private boolean isUserSwiped;    //存储的是当前正在展开的View    private static SwipeMenuLayout mViewCache;    //防止多只手指一起滑我的flag 在每次down里判断, touch事件结束清空    private static boolean isTouching;    private VelocityTracker mVelocityTracker;//滑动速度变量    private android.util.Log LogUtils;    /**     * 右滑删除功能的开关,默认开     */    private boolean isSwipeEnable;    /**     * IOS、QQ式交互,默认开     */    private boolean isIos;    private boolean iosInterceptFlag;//IOS类型下,是否拦截事件的flag    /**     * 20160929add 左滑右滑的开关,默认左滑打开菜单     */    private boolean isLeftSwipe;    public SwipeMenuLayout(Context context) {        this(context, null);    }    public SwipeMenuLayout(Context context, AttributeSet attrs) {        this(context, attrs, 0);    }    public SwipeMenuLayout(Context context, AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        init(context, attrs, defStyleAttr);    }    public boolean isSwipeEnable() {        return isSwipeEnable;    }    /**     * 设置侧滑功能开关     *     * @param swipeEnable     */    public void setSwipeEnable(boolean swipeEnable) {        isSwipeEnable = swipeEnable;    }    public boolean isIos() {        return isIos;    }    /**     * 设置是否开启IOS阻塞式交互     *     * @param ios     */    public SwipeMenuLayout setIos(boolean ios) {        isIos = ios;        return this;    }    public boolean isLeftSwipe() {        return isLeftSwipe;    }    /**     * 设置是否开启左滑出菜单,设置false 为右滑出菜单     *     * @param leftSwipe     * @return     */    public SwipeMenuLayout setLeftSwipe(boolean leftSwipe) {        isLeftSwipe = leftSwipe;        return this;    }    /**     * 返回ViewCache     *     * @return     */    public static SwipeMenuLayout getViewCache() {        return mViewCache;    }    private void init(Context context, AttributeSet attrs, int defStyleAttr) {        mScaleTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();        mMaxVelocity = ViewConfiguration.get(context).getScaledMaximumFlingVelocity();        //初始化滑动帮助类对象        //mScroller = new Scroller(context);        //右滑删除功能的开关,默认开        isSwipeEnable = true;        //IOS、QQ式交互,默认开        isIos = true;        //左滑右滑的开关,默认左滑打开菜单        isLeftSwipe = true;        TypedArray ta = context.getTheme().obtainStyledAttributes(attrs, R.styleable.SwipeMenuLayout, defStyleAttr, 0);        int count = ta.getIndexCount();        for (int i = 0; i < count; i++) {            int attr = ta.getIndex(i);            //如果引用成AndroidLib 资源都不是常量,无法使用switch case            if (attr == R.styleable.SwipeMenuLayout_swipeEnable) {                isSwipeEnable = ta.getBoolean(attr, true);            } else if (attr == R.styleable.SwipeMenuLayout_ios) {                isIos = ta.getBoolean(attr, true);            } else if (attr == R.styleable.SwipeMenuLayout_leftSwipe) {                isLeftSwipe = ta.getBoolean(attr, true);            }        }        ta.recycle();    }    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        //Log.d(TAG, "onMeasure() called with: " + "widthMeasureSpec = [" + widthMeasureSpec + "], heightMeasureSpec = [" + heightMeasureSpec + "]");        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        setClickable(true);//令自己可点击,从而获取触摸事件        mRightMenuWidths = 0;//由于ViewHolder的复用机制,每次这里要手动恢复初始值        mHeight = 0;        int contentWidth = 0;//2016 11 09 add,适配GridLayoutManager,将以第一个子Item(即ContentItem)的宽度为控件宽度        int childCount = getChildCount();        //add by 2016 08 11 为了子View的高,可以matchParent(参考的FrameLayout 和LinearLayout的Horizontal)        final boolean measureMatchParentChildren = MeasureSpec.getMode(heightMeasureSpec) != MeasureSpec.EXACTLY;        boolean isNeedMeasureChildHeight = false;        for (int i = 0; i < childCount; i++) {            View childView = getChildAt(i);            //令每一个子View可点击,从而获取触摸事件            childView.setClickable(true);            if (childView.getVisibility() != GONE) {                //后续计划加入上滑、下滑,则将不再支持Item的margin                measureChild(childView, widthMeasureSpec, heightMeasureSpec);                //measureChildWithMargins(childView, widthMeasureSpec, 0, heightMeasureSpec, 0);                final MarginLayoutParams lp = (MarginLayoutParams) childView.getLayoutParams();                mHeight = Math.max(mHeight, childView.getMeasuredHeight()/* + lp.topMargin + lp.bottomMargin*/);                if (measureMatchParentChildren && lp.height == LayoutParams.MATCH_PARENT) {                    isNeedMeasureChildHeight = true;                }                if (i > 0) {//第一个布局是Left item,从第二个开始才是RightMenu                    mRightMenuWidths += childView.getMeasuredWidth();                } else {                    mContentView = childView;                    contentWidth = childView.getMeasuredWidth();                }            }        }        setMeasuredDimension(getPaddingLeft() + getPaddingRight() + contentWidth,                mHeight + getPaddingTop() + getPaddingBottom());//宽度取第一个Item(Content)的宽度        mLimit = mRightMenuWidths * 4 / 10;//滑动判断的临界值        //Log.d(TAG, "onMeasure() called with: " + "mRightMenuWidths = [" + mRightMenuWidths);        if (isNeedMeasureChildHeight) {//如果子View的height有MatchParent属性的,设置子View高度            forceUniformHeight(childCount, widthMeasureSpec);        }    }    @Override    public LayoutParams generateLayoutParams(AttributeSet attrs) {        return new MarginLayoutParams(getContext(), attrs);    }    /**     * 给MatchParent的子View设置高度     *     * @param count     * @param widthMeasureSpec     * @see android.widget.LinearLayout# 同名方法     */    private void forceUniformHeight(int count, int widthMeasureSpec) {        // Pretend that the linear layout has an exact size. This is the measured height of        // ourselves. The measured height should be the max height of the children, changed        // to accommodate the heightMeasureSpec from the parent        int uniformMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(),                MeasureSpec.EXACTLY);//以父布局高度构建一个Exactly的测量参数        for (int i = 0; i < count; ++i) {            final View child = getChildAt(i);            if (child.getVisibility() != GONE) {                MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams();                if (lp.height == LayoutParams.MATCH_PARENT) {                    // Temporarily force children to reuse their old measured width                    // FIXME: this may not be right for something like wrapping text?                    int oldWidth = lp.width;//measureChildWithMargins 这个函数会用到宽,所以要保存一下                    lp.width = child.getMeasuredWidth();                    // Remeasure with new dimensions                    measureChildWithMargins(child, widthMeasureSpec, 0, uniformMeasureSpec, 0);                    lp.width = oldWidth;                }            }        }    }    @Override    protected void onLayout(boolean changed, int l, int t, int r, int b) {        //LogUtils.e(TAG, "onLayout() called with: " + "changed = [" + changed + "], l = [" + l + "], t = [" + t + "], r = [" + r + "], b = [" + b + "]");        int childCount = getChildCount();        int left = 0 + getPaddingLeft();        int right = 0 + getPaddingLeft();        for (int i = 0; i < childCount; i++) {            View childView = getChildAt(i);            if (childView.getVisibility() != GONE) {                if (i == 0) {//第一个子View是内容 宽度设置为全屏                    childView.layout(left, getPaddingTop(), left + childView.getMeasuredWidth(), getPaddingTop() + childView.getMeasuredHeight());                    left = left + childView.getMeasuredWidth();                } else {                    if (isLeftSwipe) {                        childView.layout(left, getPaddingTop(), left + childView.getMeasuredWidth(), getPaddingTop() + childView.getMeasuredHeight());                        left = left + childView.getMeasuredWidth();                    } else {                        childView.layout(right - childView.getMeasuredWidth(), getPaddingTop(), right, getPaddingTop() + childView.getMeasuredHeight());                        right = right - childView.getMeasuredWidth();                    }                }            }        }        //Log.d(TAG, "onLayout() called with: " + "maxScrollGap = [" + maxScrollGap + "], l = [" + l + "], t = [" + t + "], r = [" + r + "], b = [" + b + "]");    }    @Override    public boolean dispatchTouchEvent(MotionEvent ev) {        //LogUtils.d(TAG, "dispatchTouchEvent() called with: " + "ev = [" + ev + "]");        if (isSwipeEnable) {            acquireVelocityTracker(ev);            final VelocityTracker verTracker = mVelocityTracker;            switch (ev.getAction()) {                case MotionEvent.ACTION_DOWN:                    isUserSwiped = false;//2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。                    isUnMoved = true;//2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。                    iosInterceptFlag = false;//add by 2016 09 11 ,每次DOWN时,默认是不拦截的                    if (isTouching) {//如果有别的指头摸过了,那么就return false。这样后续的move..等事件也不会再来找这个View了。                        return false;                    } else {                        isTouching = true;//第一个摸的指头,赶紧改变标志,宣誓主权。                    }                    mLastP.set(ev.getRawX(), ev.getRawY());                    mFirstP.set(ev.getRawX(), ev.getRawY());//2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。                    //如果down,view和cacheview不一样,则立马让它还原。且把它置为null                    if (mViewCache != null) {                        if (mViewCache != this) {                            mViewCache.smoothClose();                            iosInterceptFlag = isIos;//add by 2016 09 11 ,IOS模式开启的话,且当前有侧滑菜单的View,且不是自己的,就该拦截事件咯。                        }                        //只要有一个侧滑菜单处于打开状态, 就不给外层布局上下滑动了                        getParent().requestDisallowInterceptTouchEvent(true);                    }                    //求第一个触点的id, 此时可能有多个触点,但至少一个,计算滑动速率用                    mPointerId = ev.getPointerId(0);                    break;                case MotionEvent.ACTION_MOVE:                    //add by 2016 09 11 ,IOS模式开启的话,且当前有侧滑菜单的View,且不是自己的,就该拦截事件咯。滑动也不该出现                    if (iosInterceptFlag) {                        break;                    }                    float gap = mLastP.x - ev.getRawX();                    //为了在水平滑动中禁止父类ListView等再竖直滑动                    if (Math.abs(gap) > 10 || Math.abs(getScrollX()) > 10) {//2016 09 29 修改此处,使屏蔽父布局滑动更加灵敏,                        getParent().requestDisallowInterceptTouchEvent(true);                    }                    //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。begin                    if (Math.abs(gap) > mScaleTouchSlop) {                        isUnMoved = false;                    }                    //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。end                    //如果scroller还没有滑动结束 停止滑动动画/*                    if (!mScroller.isFinished()) {                        mScroller.abortAnimation();                    }*/                    scrollBy((int) (gap), 0);//滑动使用scrollBy                    //越界修正                    if (isLeftSwipe) {//左滑                        if (getScrollX() < 0) {                            scrollTo(0, 0);                        }                        if (getScrollX() > mRightMenuWidths) {                            scrollTo(mRightMenuWidths, 0);                        }                    } else {//右滑                        if (getScrollX() < -mRightMenuWidths) {                            scrollTo(-mRightMenuWidths, 0);                        }                        if (getScrollX() > 0) {                            scrollTo(0, 0);                        }                    }                    mLastP.set(ev.getRawX(), ev.getRawY());                    break;                case MotionEvent.ACTION_UP:                case MotionEvent.ACTION_CANCEL:                    //2016 11 03 add,判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。                    if (Math.abs(ev.getRawX() - mFirstP.x) > mScaleTouchSlop) {                        isUserSwiped = true;                    }                    //add by 2016 09 11 ,IOS模式开启的话,且当前有侧滑菜单的View,且不是自己的,就该拦截事件咯。滑动也不该出现                    if (!iosInterceptFlag) {//且滑动了 才判断是否要收起、展开menu                        //求伪瞬时速度                        verTracker.computeCurrentVelocity(1000, mMaxVelocity);                        final float velocityX = verTracker.getXVelocity(mPointerId);                        if (Math.abs(velocityX) > 1000) {//滑动速度超过阈值                            if (velocityX < -1000) {                                if (isLeftSwipe) {//左滑                                    //平滑展开Menu                                    smoothExpand();                                } else {                                    //平滑关闭Menu                                    smoothClose();                                }                            } else {                                if (isLeftSwipe) {//左滑                                    // 平滑关闭Menu                                    smoothClose();                                } else {                                    //平滑展开Menu                                    smoothExpand();                                }                            }                        } else {                            if (Math.abs(getScrollX()) > mLimit) {//否则就判断滑动距离                                //平滑展开Menu                                smoothExpand();                            } else {                                // 平滑关闭Menu                                smoothClose();                            }                        }                    }                    //释放                    releaseVelocityTracker();                    //LogUtils.i(TAG, "onTouch A ACTION_UP ACTION_CANCEL:velocityY:" + velocityX);                    isTouching = false;//没有手指在摸我了                    break;                default:                    break;            }        }        return super.dispatchTouchEvent(ev);    }    @Override    public boolean onInterceptTouchEvent(MotionEvent ev) {        //add by zhangxutong 2016 12 07 begin:        //禁止侧滑时,点击事件不受干扰。        if (isSwipeEnable) {            switch (ev.getAction()) {                //add by zhangxutong 2016 11 04 begin :                // fix 长按事件和侧滑的冲突。                case MotionEvent.ACTION_MOVE:                    //屏蔽滑动时的事件                    if (Math.abs(ev.getRawX() - mFirstP.x) > mScaleTouchSlop) {                        return true;                    }                    break;                //add by zhangxutong 2016 11 04 end                case MotionEvent.ACTION_UP:                    //为了在侧滑时,屏蔽子View的点击事件                    if (isLeftSwipe) {                        if (getScrollX() > mScaleTouchSlop) {                            //add by 2016 09 10 解决一个智障问题~ 居然不给点击侧滑菜单 我跪着谢罪                            //这里判断落点在内容区域屏蔽点击,内容区域外,允许传递事件继续向下的的。。。                            if (ev.getX() < getWidth() - getScrollX()) {                                //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。                                if (isUnMoved) {                                    smoothClose();                                }                                return true;//true表示拦截                            }                        }                    } else {                        if (-getScrollX() > mScaleTouchSlop) {                            if (ev.getX() > -getScrollX()) {//点击范围在菜单外 屏蔽                                //2016 10 22 add , 仿QQ,侧滑菜单展开时,点击内容区域,关闭侧滑菜单。                                if (isUnMoved) {                                    smoothClose();                                }                                return true;                            }                        }                    }                    //add by zhangxutong 2016 11 03 begin:                    // 判断手指起始落点,如果距离属于滑动了,就屏蔽一切点击事件。                    if (isUserSwiped) {                        return true;                    }                    //add by zhangxutong 2016 11 03 end                    break;            }            //模仿IOS 点击其他区域关闭:            if (iosInterceptFlag) {                //IOS模式开启,且当前有菜单的View,且不是自己的 拦截点击事件给子View                return true;            }        }        return super.onInterceptTouchEvent(ev);    }    /**     * 平滑展开     */    private ValueAnimator mExpandAnim, mCloseAnim;    private boolean isExpand;//代表当前是否是展开状态 2016 11 03 add    public void smoothExpand() {        //Log.d(TAG, "smoothExpand() called" + this);        /*mScroller.startScroll(getScrollX(), 0, mRightMenuWidths - getScrollX(), 0);        invalidate();*/        //展开就加入ViewCache:        mViewCache = SwipeMenuLayout.this;        //2016 11 13 add 侧滑菜单展开,屏蔽content长按        if (null != mContentView) {            mContentView.setLongClickable(false);        }        cancelAnim();        mExpandAnim = ValueAnimator.ofInt(getScrollX(), isLeftSwipe ? mRightMenuWidths : -mRightMenuWidths);        mExpandAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {            @Override            public void onAnimationUpdate(ValueAnimator animation) {                scrollTo((Integer) animation.getAnimatedValue(), 0);            }        });        mExpandAnim.setInterpolator(new OvershootInterpolator());        mExpandAnim.addListener(new AnimatorListenerAdapter() {            @Override            public void onAnimationEnd(Animator animation) {                isExpand = true;            }        });        mExpandAnim.setDuration(300).start();    }    /**     * 每次执行动画之前都应该先取消之前的动画     */    private void cancelAnim() {        if (mCloseAnim != null && mCloseAnim.isRunning()) {            mCloseAnim.cancel();        }        if (mExpandAnim != null && mExpandAnim.isRunning()) {            mExpandAnim.cancel();        }    }    /**     * 平滑关闭     */    public void smoothClose() {        //Log.d(TAG, "smoothClose() called" + this);/*        mScroller.startScroll(getScrollX(), 0, -getScrollX(), 0);        invalidate();*/        mViewCache = null;        //2016 11 13 add 侧滑菜单展开,屏蔽content长按        if (null != mContentView) {            mContentView.setLongClickable(true);        }        cancelAnim();        mCloseAnim = ValueAnimator.ofInt(getScrollX(), 0);        mCloseAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {            @Override            public void onAnimationUpdate(ValueAnimator animation) {                scrollTo((Integer) animation.getAnimatedValue(), 0);            }        });        mCloseAnim.setInterpolator(new AccelerateInterpolator());        mCloseAnim.addListener(new AnimatorListenerAdapter() {            @Override            public void onAnimationEnd(Animator animation) {                isExpand = false;            }        });        mCloseAnim.setDuration(300).start();        //LogUtils.d(TAG, "smoothClose() called with:getScrollX() " + getScrollX());    }    /**     * @param event 向VelocityTracker添加MotionEvent     * @see VelocityTracker#obtain()     * @see VelocityTracker#addMovement(MotionEvent)     */    private void acquireVelocityTracker(final MotionEvent event) {        if (null == mVelocityTracker) {            mVelocityTracker = VelocityTracker.obtain();        }        mVelocityTracker.addMovement(event);    }    /**     * * 释放VelocityTracker     *     * @see VelocityTracker#clear()     * @see VelocityTracker#recycle()     */    private void releaseVelocityTracker() {        if (null != mVelocityTracker) {            mVelocityTracker.clear();            mVelocityTracker.recycle();            mVelocityTracker = null;        }    }    //每次ViewDetach的时候,判断一下 ViewCache是不是自己,如果是自己,关闭侧滑菜单,且ViewCache设置为null,    // 理由:1 防止内存泄漏(ViewCache是一个静态变量)    // 2 侧滑删除后自己后,这个View被Recycler回收,复用,下一个进入屏幕的View的状态应该是普通状态,而不是展开状态。    @Override    protected void onDetachedFromWindow() {        if (this == mViewCache) {            mViewCache.smoothClose();            mViewCache = null;        }        super.onDetachedFromWindow();    }    //展开时,禁止长按    @Override    public boolean performLongClick() {        if (Math.abs(getScrollX()) > mScaleTouchSlop) {            return false;        }        return super.performLongClick();    }    //平滑滚动 弃用 改属性动画实现/*    @Override    public void computeScroll() {        //判断Scroller是否执行完毕:        if (mScroller.computeScrollOffset()) {            scrollTo(mScroller.getCurrX(), mScroller.getCurrY());            //通知View重绘-invalidate()->onDraw()->computeScroll()            invalidate();        }    }*/    /**     * 快速关闭。     * 用于 点击侧滑菜单上的选项,同时想让它快速关闭(删除 置顶)。     * 这个方法在ListView里是必须调用的,     * 在RecyclerView里,视情况而定,如果是mAdapter.notifyItemRemoved(pos)方法不用调用。     */    public void quickClose() {        if (this == mViewCache) {            //先取消展开动画            cancelAnim();            mViewCache.scrollTo(0, 0);//关闭            mViewCache = null;        }    }}

在attrs.xml中添加:

<!--侧滑删除 SwipeMenuLayout-->    <declare-styleable name="SwipeMenuLayout">        <attr name="swipeEnable" format="boolean"/>        <attr name="ios" format="boolean"/>        <attr name="leftSwipe" format="boolean"/>    </declare-styleable>

使用:
在recyclerView的item的布局最外层包裹一下:

<com.fm.newcinema.view.SwipeMenuLayout    android:id="@+id/sl_item_msg"    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="62dp"    android:layout_marginTop="1dp"    android:clickable="true"    android:paddingBottom="1dp"    app:ios="false"    app:leftSwipe="true"    app:swipeEnable="true">    <TextView        android:id="@+id/content"        android:layout_width="match_parent"        android:layout_height="match_parent"        android:background="?android:attr/selectableItemBackground"        android:gravity="center"        android:text="项目中我是任意复杂的原ContentItem布局"/>    <!-- 以下都是侧滑菜单的内容依序排列 -->    <Button        android:id="@+id/btnTop"        android:layout_width="60dp"        android:layout_height="match_parent"        android:background="#d9dee4"        android:text="置顶"        android:textColor="@android:color/white"/> </com.fm.newcinema.view.SwipeMenuLayout>

解释一下,就是把侧滑前的所有布局放到一个layout里边放到此控件的包裹下的第一个位置,下边的依次写,都是侧滑后的布局中的按钮.

本控件有个缺点就是item的点击事件不能用adapter.setOnItemClickListener(this),因为监听不到,需要在adapter中写回调接口,侧滑按钮的点击事件也需要写在adapter中,代码如下:(我是写的删除按钮)(基于baseRecyclerViewAdapterHelper)

 //侧滑删除        SwipeMenuLayout swipeMenuLayout = (SwipeMenuLayout) helper.getView(R.id.sl_item_msg);        //关掉IOS阻塞式交互效果,打开左滑        swipeMenuLayout.setIos(false).setLeftSwipe(true);        //删除按钮的点击事件        BaseTextView deleteView = (BaseTextView) helper.getView(R.id.tv_item_msg_delete);        deleteView.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                mOnSwipeListener.onDel(helper.getLayoutPosition());                //且如果想让侧滑菜单同时关闭,需要同时调用 CstSwipeDelMenu.quickClose();            }        });        //item的点击事件(侧滑删除有缺陷,item的点击事件只能在adapter中写)        FrameLayout layout = (FrameLayout) helper.getView(R.id.fl_item_msg);        layout.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                mOnSwipeListener.onClick(helper.getLayoutPosition());            }        });

同时,在adapter中写回调接口:

 /**     * 和Activity通信的接口     */    public interface onSwipeListener {        void onDel(int pos);        void onClick(int pos);    }    private onSwipeListener mOnSwipeListener;    public void setOnDelListener(onSwipeListener mOnDelListener) {        this.mOnSwipeListener = mOnDelListener;    }

在activity中:

 mAdapter.setOnDelListener(this);

在onClick()方法和onDel()中对数据进行操作,如删除:

mAdapter.remove(pos);

或者

 mList.remove(pos); mAdapter.notifyItemRemoved(pos);

如果还是看不懂,可以下载demo,简单易懂,很好操作.下边是demo的链接:

http://download.csdn.net/download/huchengzhiqiang/9978984