Android 如何将单击事件传递到framelayout中的重叠视图

Android 如何将单击事件传递到framelayout中的重叠视图,android,android-recyclerview,kotlin,android-framelayout,Android,Android Recyclerview,Kotlin,Android Framelayout,这里我做了一个RecyclerView,列表中的每一行都由frameLayout组成,其中有两个主要的子布局(Background RelativeLayout和foreGround RelativeLayout)相互重叠 使用ItemTouchHelper.SimpleCallback,我正在滑动前景布局以显示背景布局 我无法在后台的任何实体上获取ClickEvent。请查找代码 list_row.xml <?xml version="1.0" encoding="utf-8"?>

这里我做了一个RecyclerView,列表中的每一行都由frameLayout组成,其中有两个主要的子布局(Background RelativeLayout和foreGround RelativeLayout)相互重叠

使用ItemTouchHelper.SimpleCallback,我正在滑动前景布局以显示背景布局

我无法在后台的任何实体上获取ClickEvent。请查找代码

list_row.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">
    <!-- android:paddingStart="?listPreferredItemPaddingLeft"
     android:paddingTop="@dimen/padding_list_row"
     android:paddingEnd="?listPreferredItemPaddingRight"
     android:paddingBottom="@dimen/padding_list_row"-->

    <RelativeLayout
        android:id="@+id/view_background"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/mailSwipeMenu">

        <LinearLayout
            android:id="@+id/right_swipe_options_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:gravity="center"
            android:orientation="horizontal"
            android:visibility="gone">

            <RelativeLayout
                android:id="@+id/unread_btn_layout"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="@dimen/padding_10"
                android:layout_marginEnd="@dimen/padding_10"
                android:gravity="center">

                <ImageView
                    android:id="@+id/mark_unread_icon"
                    android:layout_width="@dimen/icon_delete"
                    android:layout_height="@dimen/icon_delete"
                    android:layout_centerHorizontal="true"
                    android:layout_marginBottom="@dimen/padding_6"
                    android:src="@drawable/icon_read_button" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_below="@id/mark_unread_icon"
                    android:layout_centerHorizontal="true"
                    android:text="@string/mark_as_unread"
                    android:textColor="#fff"
                    android:textSize="@dimen/text_icon" />
            </RelativeLayout>

            <RelativeLayout
                android:id="@+id/spam_btn_layout"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="@dimen/padding_10"
                android:layout_marginEnd="@dimen/padding_10"
                android:gravity="center">

                <ImageView
                    android:id="@+id/report_spam_icon"
                    android:layout_width="@dimen/icon_delete"
                    android:layout_height="@dimen/icon_delete"
                    android:layout_centerHorizontal="true"
                    android:layout_marginBottom="@dimen/padding_6"
                    android:src="@drawable/icon_spam_button" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_below="@id/report_spam_icon"
                    android:layout_centerHorizontal="true"
                    android:text="@string/report_spam"
                    android:textColor="#fff"
                    android:textSize="@dimen/text_icon" />
            </RelativeLayout>

            <RelativeLayout
                android:id="@+id/move_btn_layout"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginStart="@dimen/padding_10"
                android:layout_marginEnd="@dimen/padding_10"
                android:gravity="center">

                <ImageView
                    android:id="@+id/move_mail_icon"
                    android:layout_width="@dimen/icon_delete"
                    android:layout_height="@dimen/icon_delete"
                    android:layout_centerHorizontal="true"
                    android:layout_marginBottom="@dimen/padding_6"
                    android:src="@drawable/icon_move_button" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_below="@id/move_mail_icon"
                    android:layout_centerHorizontal="true"
                    android:text="@string/move_mail"
                    android:textColor="#fff"
                    android:textSize="@dimen/text_icon" />
            </RelativeLayout>


        </LinearLayout>

        <RelativeLayout
            android:id="@+id/left_swipe_options_layout"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_centerVertical="true"
            android:layout_marginEnd="@dimen/padding_10"
            android:gravity="center"
            android:visibility="gone">

            <ImageView
                android:id="@+id/delete_icon"
                android:layout_width="@dimen/icon_delete"
                android:layout_height="@dimen/icon_delete"
                android:layout_centerHorizontal="true"
                android:layout_marginBottom="@dimen/padding_6"
                android:src="@drawable/icon_delete_button" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@id/delete_icon"
                android:layout_centerHorizontal="true"
                android:text="@string/delete"
                android:textColor="#fff"
                android:textSize="@dimen/text_icon" />
        </RelativeLayout>

    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/view_foreground"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/bg_list_row_inbox"
        android:orientation="vertical"
        android:padding="@dimen/padding_10">

        <LinearLayout
            android:id="@+id/message_container"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:paddingStart="72dp"
            android:paddingEnd="@dimen/padding_list_row">

            <TextView
                android:id="@+id/from"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:ellipsize="end"
                android:lines="1"
                android:textColor="@color/from"
                android:textSize="@dimen/msg_text_primary"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/txt_primary"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:ellipsize="end"
                android:lines="1"
                android:textColor="@color/subject"
                android:textSize="@dimen/msg_text_secondary"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/txt_secondary"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:ellipsize="end"
                android:lines="1"
                android:textColor="@color/message"
                android:textSize="@dimen/msg_text_secondary" />

        </LinearLayout>

        <RelativeLayout
            android:id="@+id/select_icon_container"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:orientation="vertical">

            <RelativeLayout
                android:id="@+id/icon_back"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content">

                <ImageView
                    android:layout_width="@dimen/icon_width_height"
                    android:layout_height="@dimen/icon_width_height"
                    android:src="@drawable/bg_circle" />

                <ImageView
                    android:layout_width="25dp"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    app:srcCompat="@drawable/icon_check_white_24dp" />

            </RelativeLayout>

            <RelativeLayout
                android:id="@+id/icon_front"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content">

                <ImageView
                    android:id="@+id/icon_profile"
                    android:layout_width="@dimen/icon_width_height"
                    android:layout_height="@dimen/icon_width_height" />

                <TextView
                    android:id="@+id/icon_text"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    android:textColor="@android:color/white"
                    android:textSize="@dimen/text_icon" />
            </RelativeLayout>

        </RelativeLayout>

        <TextView
            android:id="@+id/timestamp"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:textColor="@color/timestamp"
            android:textSize="@dimen/text_timestamp"
            android:textStyle="bold" />

        <ImageView
            android:id="@+id/icon_star"
            android:layout_width="@dimen/icon_star"
            android:layout_height="@dimen/icon_star"
            android:layout_alignParentEnd="true"
            android:layout_alignParentBottom="true"
            android:tint="@color/icon_tint_normal" />

    </RelativeLayout>

</FrameLayout>

RecyclerItemTouchHelper.kt

    open class RecyclerItemTouchHelper(dragDirs: Int, swipeDirs: Int, private val listener: RecyclerItemTouchHelperListener) : ItemTouchHelper.SimpleCallback(dragDirs, swipeDirs) {

    override fun onMove(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder, target: RecyclerView.ViewHolder): Boolean {
        return true
    }

    override fun onSelectedChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
        if (viewHolder != null) {
            val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground

            getDefaultUIUtil().onSelected(foregroundView)
        }
    }

    override fun onChildDrawOver(c: Canvas, recyclerView: RecyclerView,
                        viewHolder: RecyclerView.ViewHolder, dX: Float, dY: Float,
                        actionState: Int, isCurrentlyActive: Boolean) {
        val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground
        getDefaultUIUtil().onDrawOver(c, recyclerView, foregroundView, dX, dY,
                actionState, isCurrentlyActive)
    }

    override fun clearView(recyclerView: RecyclerView?, viewHolder: RecyclerView.ViewHolder) {
        val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground
        getDefaultUIUtil().clearView(foregroundView)
        listener.onForegroundViewRestored(viewHolder,viewHolder.adapterPosition)
    }

    override fun onChildDraw(c: Canvas, recyclerView: RecyclerView,
                    viewHolder: RecyclerView.ViewHolder, dX: Float, dY: Float,
                    actionState: Int, isCurrentlyActive: Boolean) {
        val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground

        listener.onSwipeStart(viewHolder, if (dX < 0) ItemTouchHelper.LEFT else ItemTouchHelper.RIGHT, viewHolder.adapterPosition)
        getDefaultUIUtil().onDraw(c, recyclerView, foregroundView, dX * .9F, dY,
                actionState, isCurrentlyActive)
    }

    override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
        listener.onSwiped(viewHolder, direction, viewHolder.adapterPosition)
    }

    override fun convertToAbsoluteDirection(flags: Int, layoutDirection: Int): Int {
        return super.convertToAbsoluteDirection(flags, layoutDirection)
    }



    interface RecyclerItemTouchHelperListener {
        fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int, position: Int)
        fun onSwipeStart(viewHolder: RecyclerView.ViewHolder, direction: Int, position: Int)
        fun onForegroundViewRestored(viewHolder: RecyclerView.ViewHolder, position: Int)
    }
}
class InboxListAdapter() : RecyclerView.Adapter<InboxListAdapter.InboxItemHolder>() {


    var mContext: Context? = null
    private var messages = mutableListOf<InboxItemModel>()
    var listener: MessageAdapterListener? = null
    private var selectedItems: SparseBooleanArray? = null
    private var animationItemsIndex: SparseBooleanArray? = null
    private var reverseAllAnimations = false
    private var currentSelectedIndex = -1

    constructor(context: Context, messages: MutableList<InboxItemModel>, listener: MessageAdapterListener) : this() {
        this.mContext = context
        this.messages = messages
        this.listener = listener
        selectedItems = SparseBooleanArray()
        animationItemsIndex = SparseBooleanArray()
    }

    inner class InboxItemHolder(view: View) : RecyclerView.ViewHolder(view), View.OnLongClickListener ,View.OnClickListener {
        var viewForeground : RelativeLayout = view.findViewById<View>(R.id.view_foreground) as RelativeLayout
        var viewBackGround : RelativeLayout = view.findViewById<View>(R.id.view_background) as RelativeLayout
        var viewLeftSwipe : RelativeLayout = view.findViewById<View>(R.id.left_swipe_options_layout) as RelativeLayout
        var viewRightSwipe : LinearLayout = view.findViewById<View>(R.id.right_swipe_options_layout) as LinearLayout
        var spamButtonLayout : RelativeLayout = view.findViewById<View>(R.id.spam_btn_layout) as RelativeLayout
        var moveButtonLayout : RelativeLayout = view.findViewById<View>(R.id.move_btn_layout) as RelativeLayout
        var unreadButtonLayout : RelativeLayout = view.findViewById<View>(R.id.unread_btn_layout) as RelativeLayout
        var deleteImageView : ImageView = view.findViewById<View>(R.id.delete_icon) as ImageView
        var from: TextView = view.findViewById<View>(R.id.from) as TextView
        var subject: TextView = view.findViewById<View>(R.id.txt_primary) as TextView
        var message: TextView = view.findViewById<View>(R.id.txt_secondary) as TextView
        var iconText: TextView = view.findViewById<View>(R.id.icon_text) as TextView
        var timestamp: TextView = view.findViewById<View>(R.id.timestamp) as TextView
        var iconImp: ImageView = view.findViewById<View>(R.id.icon_star) as ImageView
        var imgProfile: ImageView = view.findViewById<View>(R.id.icon_profile) as ImageView
        var messageContainer: LinearLayout = view.findViewById<View>(R.id.message_container) as LinearLayout
        var iconContainer: RelativeLayout = view.findViewById<View>(R.id.select_icon_container) as RelativeLayout
        var iconBack: RelativeLayout = view.findViewById<View>(R.id.icon_back) as RelativeLayout
        var iconFront: RelativeLayout = view.findViewById<View>(R.id.icon_front) as RelativeLayout

        init {
            view.setOnLongClickListener(this)
            spamButtonLayout.setOnClickListener(this)
            moveButtonLayout.setOnClickListener(this)
            unreadButtonLayout.setOnClickListener(this)
            viewLeftSwipe.setOnClickListener(this)
            deleteImageView.setOnClickListener(this)

        }

        override fun onLongClick(view: View): Boolean {
            listener!!.onRowLongClicked(adapterPosition)
            view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
            return true
        }

        override fun onClick(p0: View?) {
            when(p0!!.id){
                R.id.spam_btn_layout -> listener!!.onSpamButtonClicked(adapterPosition)
                R.id.unread_btn_layout -> listener!!.onReadButtonClicked(adapterPosition)
                R.id.move_btn_layout -> listener!!.onMoveButtonClicked(adapterPosition)
                R.id.left_swipe_options_layout -> listener!!.onDeleteButtonClicked(adapterPosition)
                R.id.delete_icon -> listener!!.onDeleteButtonClicked(adapterPosition)
            }
        }
    }


    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): InboxItemHolder {
        val itemView = LayoutInflater.from(parent.context)
                .inflate(R.layout.list_row_inbox, parent, false)

        return InboxItemHolder(itemView)
    }

    override fun onBindViewHolder(holder: InboxItemHolder, position: Int) {
        val message = messages[position]

        holder.from.text = message.sender
        holder.subject.text = message.subject
        holder.message.text = message.subject
        holder.timestamp.text = message.timeStamp
        holder.itemView.isActivated = selectedItems!!.get(position, false)


[![enter image description here][1]][1]
        // apply click events
        applyClickEvents(holder, position)
    }

    private fun applyClickEvents(holder: InboxItemHolder, position: Int) {
        holder.iconContainer.setOnClickListener { listener!!.onIconClicked(position) }

        holder.iconImp.setOnClickListener { listener!!.onIconImportantClicked(position) }

        holder.messageContainer.setOnClickListener { listener!!.onMessageRowClicked(position) }

        holder.messageContainer.setOnLongClickListener { view ->
            listener!!.onRowLongClicked(position)
            view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
            true
        }
    }
}
开放类RecyclerItemTouchHelper(dragDirs:Int,swipeDirs:Int,私有val侦听器:RecyclerItemTouchHelperListener):ItemTouchHelper.SimpleCallback(dragDirs,swipeDirs){
override-fun-onMove(recyclerView:recyclerView,viewHolder:recyclerView.viewHolder,target:recyclerView.viewHolder):布尔值{
返回真值
}
覆盖选定更改的乐趣(视图持有者:RecyclerView.viewHolder?,操作状态:Int){
if(viewHolder!=null){
val foregroundView=(viewHolder作为InboxListAdapter.InboxItemHolder)。viewForeground
getDefaultUIUtil().onSelected(foregroundView)
}
}
覆盖有趣的OnChildRawOver(c:Canvas,recyclerView:recyclerView,
viewHolder:RecyclerView.viewHolder,dX:Float,dY:Float,
actionState:Int,isCurrentlyActive:Boolean){
val foregroundView=(viewHolder作为InboxListAdapter.InboxItemHolder)。viewForeground
getDefaultUIUtil().onDrawOver(c,recyclerView,foregroundView,dX,dY,
actionState,当前处于活动状态)
}
覆盖有趣的clearView(recyclerView:recyclerView?,viewHolder:recyclerView.viewHolder){
val foregroundView=(viewHolder作为InboxListAdapter.InboxItemHolder)。viewForeground
getDefaultUIUtil().clearView(foregroundView)
listener.onForegroundViewRestored(viewHolder、viewHolder.adapterPosition)
}
覆盖有趣的OnChildraw(c:Canvas,recyclerView:recyclerView,
viewHolder:RecyclerView.viewHolder,dX:Float,dY:Float,
actionState:Int,isCurrentlyActive:Boolean){
val foregroundView=(viewHolder作为InboxListAdapter.InboxItemHolder)。viewForeground
listener.onswipstart(viewHolder,if(dX<0)ItemTouchHelper.LEFT else ItemTouchHelper.RIGHT,viewHolder.adapterPosition)
getDefaultUIUtil().onDraw(c,recyclerView,foregroundView,dX*.9F,dY,
actionState,当前处于活动状态)
}
覆盖(viewHolder:RecyclerView.viewHolder,方向:Int){
listener.onsweed(视图保持器、方向、视图保持器.适配器位置)
}
覆盖fun convertToAbsoluteDirection(标志:Int,布局方向:Int):Int{
返回super.converttoabsolutiondirection(标志、布局方向)
}
接口RecyclerItemTouchHelperListener{
视图持有者:RecyclerView.viewHolder,方向:Int,位置:Int)
趣味onSwipeStart(viewHolder:RecyclerView.viewHolder,方向:Int,位置:Int)
fun onForegroundViewRestored(视图持有者:RecyclerView.viewHolder,位置:Int)
}
}
InboxListAdapter.kt

    open class RecyclerItemTouchHelper(dragDirs: Int, swipeDirs: Int, private val listener: RecyclerItemTouchHelperListener) : ItemTouchHelper.SimpleCallback(dragDirs, swipeDirs) {

    override fun onMove(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder, target: RecyclerView.ViewHolder): Boolean {
        return true
    }

    override fun onSelectedChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
        if (viewHolder != null) {
            val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground

            getDefaultUIUtil().onSelected(foregroundView)
        }
    }

    override fun onChildDrawOver(c: Canvas, recyclerView: RecyclerView,
                        viewHolder: RecyclerView.ViewHolder, dX: Float, dY: Float,
                        actionState: Int, isCurrentlyActive: Boolean) {
        val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground
        getDefaultUIUtil().onDrawOver(c, recyclerView, foregroundView, dX, dY,
                actionState, isCurrentlyActive)
    }

    override fun clearView(recyclerView: RecyclerView?, viewHolder: RecyclerView.ViewHolder) {
        val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground
        getDefaultUIUtil().clearView(foregroundView)
        listener.onForegroundViewRestored(viewHolder,viewHolder.adapterPosition)
    }

    override fun onChildDraw(c: Canvas, recyclerView: RecyclerView,
                    viewHolder: RecyclerView.ViewHolder, dX: Float, dY: Float,
                    actionState: Int, isCurrentlyActive: Boolean) {
        val foregroundView = (viewHolder as InboxListAdapter.InboxItemHolder).viewForeground

        listener.onSwipeStart(viewHolder, if (dX < 0) ItemTouchHelper.LEFT else ItemTouchHelper.RIGHT, viewHolder.adapterPosition)
        getDefaultUIUtil().onDraw(c, recyclerView, foregroundView, dX * .9F, dY,
                actionState, isCurrentlyActive)
    }

    override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
        listener.onSwiped(viewHolder, direction, viewHolder.adapterPosition)
    }

    override fun convertToAbsoluteDirection(flags: Int, layoutDirection: Int): Int {
        return super.convertToAbsoluteDirection(flags, layoutDirection)
    }



    interface RecyclerItemTouchHelperListener {
        fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int, position: Int)
        fun onSwipeStart(viewHolder: RecyclerView.ViewHolder, direction: Int, position: Int)
        fun onForegroundViewRestored(viewHolder: RecyclerView.ViewHolder, position: Int)
    }
}
class InboxListAdapter() : RecyclerView.Adapter<InboxListAdapter.InboxItemHolder>() {


    var mContext: Context? = null
    private var messages = mutableListOf<InboxItemModel>()
    var listener: MessageAdapterListener? = null
    private var selectedItems: SparseBooleanArray? = null
    private var animationItemsIndex: SparseBooleanArray? = null
    private var reverseAllAnimations = false
    private var currentSelectedIndex = -1

    constructor(context: Context, messages: MutableList<InboxItemModel>, listener: MessageAdapterListener) : this() {
        this.mContext = context
        this.messages = messages
        this.listener = listener
        selectedItems = SparseBooleanArray()
        animationItemsIndex = SparseBooleanArray()
    }

    inner class InboxItemHolder(view: View) : RecyclerView.ViewHolder(view), View.OnLongClickListener ,View.OnClickListener {
        var viewForeground : RelativeLayout = view.findViewById<View>(R.id.view_foreground) as RelativeLayout
        var viewBackGround : RelativeLayout = view.findViewById<View>(R.id.view_background) as RelativeLayout
        var viewLeftSwipe : RelativeLayout = view.findViewById<View>(R.id.left_swipe_options_layout) as RelativeLayout
        var viewRightSwipe : LinearLayout = view.findViewById<View>(R.id.right_swipe_options_layout) as LinearLayout
        var spamButtonLayout : RelativeLayout = view.findViewById<View>(R.id.spam_btn_layout) as RelativeLayout
        var moveButtonLayout : RelativeLayout = view.findViewById<View>(R.id.move_btn_layout) as RelativeLayout
        var unreadButtonLayout : RelativeLayout = view.findViewById<View>(R.id.unread_btn_layout) as RelativeLayout
        var deleteImageView : ImageView = view.findViewById<View>(R.id.delete_icon) as ImageView
        var from: TextView = view.findViewById<View>(R.id.from) as TextView
        var subject: TextView = view.findViewById<View>(R.id.txt_primary) as TextView
        var message: TextView = view.findViewById<View>(R.id.txt_secondary) as TextView
        var iconText: TextView = view.findViewById<View>(R.id.icon_text) as TextView
        var timestamp: TextView = view.findViewById<View>(R.id.timestamp) as TextView
        var iconImp: ImageView = view.findViewById<View>(R.id.icon_star) as ImageView
        var imgProfile: ImageView = view.findViewById<View>(R.id.icon_profile) as ImageView
        var messageContainer: LinearLayout = view.findViewById<View>(R.id.message_container) as LinearLayout
        var iconContainer: RelativeLayout = view.findViewById<View>(R.id.select_icon_container) as RelativeLayout
        var iconBack: RelativeLayout = view.findViewById<View>(R.id.icon_back) as RelativeLayout
        var iconFront: RelativeLayout = view.findViewById<View>(R.id.icon_front) as RelativeLayout

        init {
            view.setOnLongClickListener(this)
            spamButtonLayout.setOnClickListener(this)
            moveButtonLayout.setOnClickListener(this)
            unreadButtonLayout.setOnClickListener(this)
            viewLeftSwipe.setOnClickListener(this)
            deleteImageView.setOnClickListener(this)

        }

        override fun onLongClick(view: View): Boolean {
            listener!!.onRowLongClicked(adapterPosition)
            view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
            return true
        }

        override fun onClick(p0: View?) {
            when(p0!!.id){
                R.id.spam_btn_layout -> listener!!.onSpamButtonClicked(adapterPosition)
                R.id.unread_btn_layout -> listener!!.onReadButtonClicked(adapterPosition)
                R.id.move_btn_layout -> listener!!.onMoveButtonClicked(adapterPosition)
                R.id.left_swipe_options_layout -> listener!!.onDeleteButtonClicked(adapterPosition)
                R.id.delete_icon -> listener!!.onDeleteButtonClicked(adapterPosition)
            }
        }
    }


    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): InboxItemHolder {
        val itemView = LayoutInflater.from(parent.context)
                .inflate(R.layout.list_row_inbox, parent, false)

        return InboxItemHolder(itemView)
    }

    override fun onBindViewHolder(holder: InboxItemHolder, position: Int) {
        val message = messages[position]

        holder.from.text = message.sender
        holder.subject.text = message.subject
        holder.message.text = message.subject
        holder.timestamp.text = message.timeStamp
        holder.itemView.isActivated = selectedItems!!.get(position, false)


[![enter image description here][1]][1]
        // apply click events
        applyClickEvents(holder, position)
    }

    private fun applyClickEvents(holder: InboxItemHolder, position: Int) {
        holder.iconContainer.setOnClickListener { listener!!.onIconClicked(position) }

        holder.iconImp.setOnClickListener { listener!!.onIconImportantClicked(position) }

        holder.messageContainer.setOnClickListener { listener!!.onMessageRowClicked(position) }

        holder.messageContainer.setOnLongClickListener { view ->
            listener!!.onRowLongClicked(position)
            view.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
            true
        }
    }
}
类InboxListAdapter():RecyclerView.Adapter(){
var mContext:上下文?=null
private var messages=mutableListOf()
变量侦听器:MessageAdapterListener?=null
私有变量selectedItems:SparseBooleanArray?=null
私有变量animationItemsIndex:SparseBooleanArray?=null
私有var reverseAllAnimations=false
私有变量currentSelectedIndex=-1
构造函数(context:context,messages:MutableList,listener:MessageAdapterListener):this(){
this.mContext=上下文
this.messages=消息
this.listener=listener
selectedItems=SparseBooleanArray()
animationItemsIndex=SparseBooleanArray()
}
InboxItemHolder内部类(视图:视图):RecyclerView.ViewHolder(视图),view.OnLongClickListener,view.OnClickListener{
var viewForeground:RelativeLayout=view.findViewById(R.id.view\u前台)作为RelativeLayout
var viewBackGround:RelativeLayout=view.findViewById(R.id.view\u background)作为RelativeLayout
var viewLeftSwipe:RelativeLayout=view.findViewById(R.id.left\u swipe\u options\u layout)作为RelativeLayout
var viewRightSwipe:LinearLayout=view.findViewById(R.id.right\u swip\u options\u layout)作为LinearLayout
var spamButtonLayout:RelativeLayout=view.findViewById(R.id.spam\u btn\u布局)作为RelativeLayout
var moveButtonLayout:RelativeLayout=view.findViewById(R.id.move\u btn\u布局)作为RelativeLayout
var unreadButtonLayout:RelativeLayout=view.findViewById(R.id.unread\u btn\u布局)作为RelativeLayout
var deleteImageView:ImageView=view.findViewById(R.id.delete_图标)作为ImageView
变量from:TextView=view.findViewById(R.id.from)作为TextView
变量subject:TextView=view.findViewById(R.id.txt\u primary)作为TextView
var消息:TextView=view.findViewById(R.id.txt_secondary)作为TextView
var iconText:TextView=view.findViewById(R.id.icon\u text)作为TextView
var timestamp:TextView=view.findViewById(R.id.timestamp)作为TextView
var iconImp:ImageView=view.findViewById(R.id.icon\u star)作为ImageView
var imgProfile:ImageView=view.findviewbyd(R.id.icon\u配置文件)作为ImageView
var messageConta
  override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int, position: Int) {
            if (viewHolder is InboxListAdapter.InboxItemHolder) {
                if (direction == ItemTouchHelper.LEFT) {
                    val item = mInboxListAdapter!!.getItem(position)
                    // mInboxListAdapter!!.removeItem(position)
                    // Toast.makeText(context, "Deleted", Toast.LENGTH_SHORT).show()
                    mPresenter.deleteMail(item, mFolderName!!, mFolderId!!, 20, 0, "", mTrashfolderId, position)
            }

        mFlagSwiped = true
        mEditPosition = viewHolder.adapterPosition

        val spamBtnView = viewHolder.spamButtonLayout
        val unreadBtnView = viewHolder.unreadButtonLayout
        val moveBtnView = viewHolder.moveButtonLayout


        mItemClickRegionRect = Rect(viewHolder.itemView.left,
                viewHolder.itemView.top + recyclerView_inbox.y.toInt(),
                viewHolder.itemView.right,
                viewHolder.itemView.bottom + recyclerView_inbox.y.toInt())

        mSpamBtnClickRegionRect = Rect(spamBtnView.left + mItemClickRegionRect!!.left,
                spamBtnView.top + mItemClickRegionRect!!.top,
                spamBtnView.right + mItemClickRegionRect!!.left,
                spamBtnView.bottom + mItemClickRegionRect!!.top)

        mUnreadBtnClickRegionRect = Rect(unreadBtnView.left + mItemClickRegionRect!!.left,
                unreadBtnView.top + mItemClickRegionRect!!.top,
                unreadBtnView.right + mItemClickRegionRect!!.left,
                unreadBtnView.bottom + mItemClickRegionRect!!.top)

        mMoveBtnClickRegionRect = Rect(moveBtnView.left + mItemClickRegionRect!!.left,
                moveBtnView.top + mItemClickRegionRect!!.top,
                moveBtnView.right + mItemClickRegionRect!!.left,
                moveBtnView.bottom + mItemClickRegionRect!!.top)


    }
}

override fun onChildDraw(viewHolder:RecyclerView.ViewHolder, position: Int, dX: Float, dY: Float) {
    if (viewHolder is InboxListAdapter.InboxItemHolder) {
        if (dX >= resources.displayMetrics.widthPixels) {
            if (mSwipeState != SWIPE_STATE_RIGHT) {
                mPositionSwiped = position
                mSwipeState = SWIPE_STATE_RIGHT
                Toast.makeText(context, "SWIPE_STATE_RIGHT", Toast.LENGTH_SHORT).show()
            }
        } else if (dX <= -resources.displayMetrics.widthPixels) {
            if (mSwipeState != SWIPE_STATE_LEFT) {
                mSwipeState = SWIPE_STATE_LEFT
                Toast.makeText(context, "SWIPE_STATE_LEFT", Toast.LENGTH_SHORT).show()
            }
        } else if (dX == 0f) {
            if (mSwipeState != SWIPE_STATE_MID) {
                mSwipeState = SWIPE_STATE_MID
                Toast.makeText(context, "SWIPE_STATE_MID", Toast.LENGTH_SHORT).show()
            }
        }

        when (dX > 0) {
            true -> {
                viewHolder.viewBackGround.setBackgroundColor(ContextCompat.getColor(context!!, R.color.mailSwipeMenu))
                viewHolder.viewRightSwipe.visibility = View.VISIBLE
                viewHolder.viewLeftSwipe.visibility = View.GONE
            }
            false -> {
                viewHolder.viewBackGround.setBackgroundColor(ContextCompat.getColor(context!!, R.color.mailSwipeDelete))
                viewHolder.viewRightSwipe.visibility = View.GONE
                viewHolder.viewLeftSwipe.visibility = View.VISIBLE
            }
        }
    }
}

override fun getSwipeDirs(viewHolder: RecyclerView.ViewHolder) {
    val position = viewHolder.adapterPosition
    if (position != mEditPosition) {
        if (mEditPosition != -1 && mFlagSwiped) {
            mInboxListAdapter!!.notifyItemChanged(mEditPosition)
            mFlagSwiped = false
            mEditPosition = position
        }
    }
}