增加任务无mark校验及关闭业务
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qiji4215
291
app/src/main/java/com/navinfo/omqs/ui/widget/LeftDeleteView.kt
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291
app/src/main/java/com/navinfo/omqs/ui/widget/LeftDeleteView.kt
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package com.navinfo.omqs.ui.widget
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import android.animation.ValueAnimator
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import android.animation.ValueAnimator.AnimatorUpdateListener
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import android.annotation.SuppressLint
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import android.content.Context
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import android.graphics.Color
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import android.util.AttributeSet
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import android.view.*
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import android.widget.LinearLayout
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import androidx.recyclerview.widget.RecyclerView
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import com.navinfo.omqs.R
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import kotlin.math.abs
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/**
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* Description:左滑删除按钮
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*
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* Time:2021/7/1-20:37
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* Author:我叫PlusPlus
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*/
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class LeftDeleteView @JvmOverloads constructor(
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context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
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) : LinearLayout(context, attrs, defStyleAttr) {
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/**
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* 上下文
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*/
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private val mContext = context
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/**
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* 最小触摸距离
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*/
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private var mMinTouchDistance : Int = 0
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/**
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* 右边可滑动距离
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*/
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private var mRightCanDistance :Int = 0
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/**
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* 按下时 x
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*/
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private var mInitX : Float = 0f
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/**
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* 按下y
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*/
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private var mInitY : Float = 0f
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/**
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* 属性动画
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*/
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private var mValueAnimator: ValueAnimator? = null
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/**
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* 动画时长
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*/
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private var mAnimDuring = 300
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/**
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* RecyclerView
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*/
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private var mRecyclerView: RecyclerView? = null
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/**
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* 是否重新计算
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*/
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private var needResetCompute = true
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/**
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* 状态监听
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*/
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var mStatusChangeLister : ((Boolean)-> Unit) ? = null
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init {
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//通过自定义属性获取删除按钮的宽度
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val array = mContext.obtainStyledAttributes(attrs, R.styleable.LeftDeleteView)
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val delWidth = array.getFloat(R.styleable.LeftDeleteView_deleteBtnWidth, 0f)
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array.recycle()
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mMinTouchDistance = ViewConfiguration.get(mContext).scaledTouchSlop
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//将dp转成PX
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val var2: Float = mContext.resources.displayMetrics.density
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//计算向右可以滑动的距离，单位PX
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mRightCanDistance = (delWidth * var2 + 0.5f).toInt()
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setBackgroundColor(Color.TRANSPARENT)
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orientation = HORIZONTAL
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}
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/**
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* 设置RecyclerView
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*/
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fun setRecyclerView(recyclerView: RecyclerView) {
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mRecyclerView = recyclerView
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}
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/**
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* 处理触摸事件
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*/
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override fun onInterceptTouchEvent(ev: MotionEvent): Boolean {
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val actionMasked = ev.actionMasked
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when (actionMasked) {
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MotionEvent.ACTION_DOWN -> {
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mInitX = ev.rawX + scrollX
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mInitY = ev.rawY
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clearAnim()
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}
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MotionEvent.ACTION_MOVE -> {
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if (mInitX - ev.rawX < 0) {
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// mRecyclerView拦截
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mRecyclerView?.let {
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if (needResetCompute) {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = false
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}
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}
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return false
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}
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// y轴方向上达到滑动最小距离, x 轴未达到
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if (abs(ev.rawY - mInitY) >= mMinTouchDistance
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&& abs(ev.rawY - mInitY) > abs(mInitX - ev.rawX - scrollX)) {
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// mRecyclerView拦截
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mRecyclerView?.let {
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if (needResetCompute) {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = false
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}
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}
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return false
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}
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// x轴方向达到了最小滑动距离，y轴未达到
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if (abs(mInitX - ev.rawX - scrollX) >= mMinTouchDistance
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&& abs(ev.rawY - mInitY) <= abs(mInitX - ev.rawX - scrollX)) {
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// mRecyclerView拦截
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mRecyclerView?.let {
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if (needResetCompute) {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = false
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}
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}
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return true
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}
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}
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MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {
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mRecyclerView?.let {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = true
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}
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}
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else -> {
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}
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}
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return super.onInterceptTouchEvent(ev)
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}
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/**
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* 处理触摸事件
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* 需要注意:何时处理左滑，何时不处理
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*/
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@SuppressLint("ClickableViewAccessibility")
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override fun onTouchEvent(ev: MotionEvent): Boolean {
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when (ev.actionMasked) {
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MotionEvent.ACTION_DOWN -> {
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mInitX = ev.rawX + scrollX
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mInitY = ev.rawY
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clearAnim()
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}
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MotionEvent.ACTION_MOVE -> {
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if (mInitX - ev.rawX < 0) {
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// 让父级容器拦截
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mRecyclerView?.let {
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if (needResetCompute) {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = false
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}
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}
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}
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// y轴方向上达到滑动最小距离, x 轴未达到
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if (abs(ev.rawY - mInitY) >= mMinTouchDistance
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&& abs(ev.rawY - mInitY) > abs(mInitX - ev.rawX - scrollX)) {
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// mRecyclerView拦截
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mRecyclerView?.let {
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if (needResetCompute) {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = false
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}
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}
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}
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// x轴方向达到了最小滑动距离，y轴未达到
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if (abs(mInitX - ev.rawX - scrollX) >= mMinTouchDistance
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&& abs(ev.rawY - mInitY) <= abs(mInitX - ev.rawX - scrollX)) {
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// mRecyclerView拦截
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mRecyclerView?.let {
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if (needResetCompute) {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = false
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}
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}
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}
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//手指移动距离超过最小距离
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var translationX = mInitX - ev.rawX
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//滑动距离已经大于右边可伸缩的距离后, 重新设置
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if (translationX > mRightCanDistance) {
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mInitX = ev.rawX + mRightCanDistance
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}
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//互动距离小于0，那么重新设置初始位置
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if (translationX < 0) {
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mInitX = ev.rawX
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}
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translationX = if (translationX > mRightCanDistance) mRightCanDistance.toFloat() else translationX
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translationX = if (translationX < 0) 0f else translationX
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// 向左滑动
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if (translationX <= mRightCanDistance && translationX >= 0) {
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scrollTo(translationX.toInt(), 0)
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return true
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}
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}
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MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {
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mRecyclerView?.let {
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it.requestDisallowInterceptTouchEvent(false)
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needResetCompute = true
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}
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upFingerAnim()
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return true
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}
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else -> {
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}
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}
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return true
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}
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/**
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* 清理动画
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*/
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private fun clearAnim() {
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mValueAnimator?.let {
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it.end()
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it.cancel()
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mValueAnimator = null
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}
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}
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/**
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* 手指抬起开始执行动画
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*/
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private fun upFingerAnim() {
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val scrollX = scrollX
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if (scrollX == mRightCanDistance || scrollX == 0) {
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//回调显示状态
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mStatusChangeLister?.invoke(scrollX == mRightCanDistance)
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return
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}
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clearAnim()
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// 如果显出一半松开手指，那么自动完全显示。否则完全隐藏
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if (scrollX >= mRightCanDistance / 2) {
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mValueAnimator = ValueAnimator.ofInt(scrollX, mRightCanDistance)
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//进行滑动
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mValueAnimator?.addUpdateListener { animation ->
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val value = animation.animatedValue as Int
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scrollTo(value, 0)
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}
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mValueAnimator?.duration = mAnimDuring.toLong()
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mValueAnimator?.start()
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//回调显示的状态
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mStatusChangeLister?.invoke(true)
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} else {
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mValueAnimator = ValueAnimator.ofInt(scrollX, 0)
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//进行滑动
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mValueAnimator?.addUpdateListener { animation ->
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val value = animation.animatedValue as Int
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scrollTo(value, 0)
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}
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mValueAnimator?.duration = mAnimDuring.toLong()
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mValueAnimator?.start()
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//回调关闭的状态
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mStatusChangeLister?.invoke(false)
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}
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}
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/**
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* 重置按钮删除状态
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*/
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fun resetDeleteStatus() {
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val scrollX = scrollX
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if (scrollX == 0) {
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return
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}
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clearAnim()
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mValueAnimator = ValueAnimator.ofInt(scrollX, 0)
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//进行滑动
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mValueAnimator?.addUpdateListener(AnimatorUpdateListener { animation ->
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val value = animation.animatedValue as Int
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scrollTo(value, 0)
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})
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mValueAnimator?.duration = mAnimDuring.toLong()
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mValueAnimator?.start()
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//回调关闭的状态
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mStatusChangeLister?.invoke(false)
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}
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}
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