Kotlin自定义菜单控件

class RecordButton : RelativeLayout { /** 控件显示的文本*/ lateinit var textValue: String /** 控件显示的文本字体大小*/ private var textSize: Float = 18f /** 控件显示的文本字体颜色*/ private var textColor: Int = Color.BLACK /** 控件按下时显示的文本字体颜色*/ private var textColorPress: Int = Color.WHITE /** 控件显示的背景颜色*/ private var backColorNormal: Int = R.drawable.bg_menu_item /** 控件按下时显示的背景颜色*/ private var backColorPress: Int = R.drawable.bg_menu_item_press /** 控件是否是主按钮*/ var isSwitchMain: Boolean = false /** 按钮按下时的时间*/ var pressBtnTime: Long = 0L /** 按钮抬起时的时间*/ var upBtnTime: Long = 0L /** 事件是否是点击事件*/ var isClick: Boolean = false /** 点击事件是否打开*/ var isOpen: Boolean = false /** 文本控件*/ private lateinit var textView: TextView /** 监听事件*/ var onRecordItemClickListener: OnRecordItemClickListener? = null  constructor(context: Context,    textValue: String,    textSize: Float,    textColor: Int,    backColorNormal: Int,    textColorPress: Int,    backColorPress: Int) : this(context) {  this.textValue = textValue  this.textSize = textSize  this.textColor = textColor  this.backColorNormal = backColorNormal  this.isSwitchMain = isSwitchMain  this.textColorPress = textColorPress  this.backColorPress = backColorPress  setBackgroundResource(backColorNormal)   textView = TextView(context)  textView.text = textValue  textView.gravity = CENTER  textView.setTextColor(textColor)  textView.textSize = textSize  var ll = LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)  ll.addRule(CENTER_IN_PARENT)  addView(textView, ll) }  constructor(context: Context) : this(context, null) {  }  constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0) { }  constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {  }  override fun onTouchEvent(event: MotionEvent?): Boolean {  when (event?.action) {   MotionEvent.ACTION_DOWN -> {    pressBtnTime = System.currentTimeMillis()    setBackgroundResource(backColorPress)    textView.setTextColor(textColorPress)    return true   }   MotionEvent.ACTION_MOVE -> {   }   MotionEvent.ACTION_UP -> {    upBtnTime = System.currentTimeMillis()    setBackgroundResource(backColorNormal)    textView.setTextColor(textColor)    isClick = (upBtnTime - pressBtnTime) / 1000 < 0.5   }  }  if (isClick) {   onRecordItemClickListener?.onClick(isSwitchMain, textValue,isOpen)   isOpen = !isOpen  }  return true }}

class RecordMenu : RelativeLayout{ /** 子按钮半径*/ private var itemRadius: Int = 0 /*** 按钮间距*/ private var itemMargin: Int = 0 /** 动画时间*/ private var duration: Long = 0 /** 字体大小*/ private var itemFontSize = 18f /** 字体正常颜色*/ private var itemFontColorN = Color.BLACK /** 点击时字体颜色*/ private var itemFontColorP = Color.WHITE /** 按钮正常背景*/ private var itemBackDrawableN = R.drawable.bg_menu_item /** 按钮点击背景*/ private var itemBackDrawableP = R.drawable.bg_menu_item_press /** 是否是展开状态*/ private var isOpen: Boolean = false /** 动画是否正在运行*/ private var isRun: Boolean = false /** 子控件监听*/ private var recordListener = RecordListener() /** 上一级的监听事件*/ var onRecordItemClickListener: OnRecordItemClickListener? = null  constructor(context: Context):this(context,null){  }  constructor(context: Context, attrs: AttributeSet?) : this(context,attrs,0) {  }  constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs,defStyleAttr) {  init(context, attrs) }  override fun onLayout(change: Boolean, l: Int, t: Int, r: Int, b: Int) {  /** 画出每个子控件的位置*/  for (i in 0 until childCount) {   var recordButton = getChildAt(i) as RecordButton   var left: Int = 0   var right: Int = itemRadius * 2   var top: Int = (childCount - 1) * (itemRadius * 2 + itemMargin) + itemRadius   var bottom: Int = top + itemRadius * 2   recordButton.layout(left, top, right, bottom)   } }  override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {  var width = itemRadius * 2  var height = (childCount - 1) * (itemRadius * 2 + itemMargin) + itemRadius * 2 + itemRadius  width += paddingLeft + paddingRight  height += paddingTop + paddingBottom  val count = childCount  for (i in 0 until count) {   getChildAt(i).measure(width, width)   if(i == count-1){    var recordButton = getChildAt(i) as RecordButton    recordButton.isSwitchMain = true   }  }  setMeasuredDimension(width, height) }  private fun init(context: Context, attrs: AttributeSet?) {  val typedArray = context.obtainStyledAttributes(attrs, R.styleable.RecordMenu)  itemRadius = typedArray.getDimension(R.styleable.RecordMenu_itemRadius, 30f).toInt()  itemMargin = typedArray.getDimension(R.styleable.RecordMenu_itemMargin, 10f).toInt()  duration = typedArray.getInteger(R.styleable.RecordMenu_animDuration, 2000).toLong()  itemFontSize = typedArray.getDimension(R.styleable.RecordMenu_itemFontSize,18f)  itemFontColorN = typedArray.getColor(R.styleable.RecordMenu_itemFontColorN,Color.BLACK)  itemFontColorP = typedArray.getColor(R.styleable.RecordMenu_itemFontColorP,Color.WHITE)  itemBackDrawableN = typedArray.getResourceId(R.styleable.RecordMenu_itemBackDrawableN,R.drawable.bg_menu_item)  itemBackDrawableP = typedArray.getResourceId(R.styleable.RecordMenu_itemBackDrawableP,R.drawable.bg_menu_item_press) }  fun addItemView(textValue: String){  var recordButton = RecordButton(context,textValue,itemFontSize,itemFontColorN,itemBackDrawableN,itemFontColorP,itemBackDrawableP)  var l1 = LayoutParams(itemRadius * 2, itemRadius * 2)  addView(recordButton, l1)  recordButton.onRecordItemClickListener = recordListener } fun addItemView(textValue: String,itemBackDrawableN:Int,itemBackDrawableP:Int){  var recordButton = RecordButton(context,textValue,itemFontSize,itemFontColorN,itemBackDrawableN,itemFontColorP,itemBackDrawableP)  var l1 = LayoutParams(itemRadius * 2, itemRadius * 2)  addView(recordButton, l1)  recordButton.onRecordItemClickListener = recordListener } inner class RecordListener : OnRecordItemClickListener {  override fun onClick(isSwitch: Boolean, textValue: String,isOpen1:Boolean) {   if (!isRun) {    if (!isOpen) {     openMenu()    } else {     closeMenu()    }   }   onRecordItemClickListener?.onClick(isSwitch,textValue,isOpen1)  } }  /**  * 展开控件  */ fun openMenu() {  isOpen = true  isRun = true  for (i in 0 until childCount) {   buttonItemOpenAnimation(i, getChildAt(i) as RecordButton)  } }  /**  * 关闭控件  */ fun closeMenu() {  isRun = true  isOpen = false  for (i in 0 until childCount) {   buttonItemCloseAnimation(i, getChildAt(i) as RecordButton)  } }  /**  * 展开动画  */ private fun buttonItemOpenAnimation(index: Int, view: RecordButton) {  if (!view.isSwitchMain) {   val propertyAnimator = view.animate().alpha(1f).setInterpolator(OvershootInterpolator()).setDuration(duration / 3)   propertyAnimator.y((itemRadius * 2 * index + itemMargin * index + itemRadius).toFloat())   if (isOpen) {    view.visibility = View.VISIBLE   }    propertyAnimator.setListener(object : Animator.AnimatorListener {    override fun onAnimationRepeat(p0: Animator?) {     }     override fun onAnimationCancel(p0: Animator?) {     }     override fun onAnimationEnd(p0: Animator?) {     if (index == childCount - 2) {      isRun = false     }    }     override fun onAnimationStart(p0: Animator?) {     }   })   propertyAnimator.start()  } }  /**  * 关闭动画  */ private fun buttonItemCloseAnimation(index: Int, view: RecordButton) {  if (!view.isSwitchMain) {   val propertyAnimator = view.animate().alpha(0f).setDuration(duration / 3)   propertyAnimator.y(((itemRadius * 2 + itemMargin) * (childCount - 1) + itemRadius).toFloat())     propertyAnimator.setListener(object : Animator.AnimatorListener {    override fun onAnimationStart(animation: Animator) {}     override fun onAnimationEnd(animation: Animator) {     if (index == childCount - 2) {      isRun = false     }     if (!isOpen) {      view.visibility = View.GONE     }    }     override fun onAnimationCancel(animation: Animator) {}     override fun onAnimationRepeat(animation: Animator) {}   })    propertyAnimator.start()  } }}