實現效果圖

主要代碼

完整源代碼

class TabView(context: Context, attributeSet: AttributeSet?) : LinearLayout(context, attributeSet) { private lateinit var firstTab: View private lateinit var secondTab: View private val firstTabIndex = 0 private val secondTabIndex = 1 private var selectedTab = firstTabIndex private val textSize = 20f private val bottomSplitColor = '#FA871E' private val centerSplitColor = '#666666' private val bottomSplitWidth = 50 private val bottomSplitHeight = 4 private val centerSplitWidth = 1 private val centerSplitHeight = 40 private lateinit var mOnSwitchListener: OnSwitchListener fun initTabs( firstTabText: String, secondTabText: String, selectedIndex: Int, onSwitchListener: OnSwitchListener ) { mOnSwitchListener = onSwitchListener setOrientation() firstTab = addTab(firstTabText) addCenterSplit() secondTab = addTab(secondTabText) selectTab(selectedIndex) setOnClickListener { switchTab() } } interface OnSwitchListener { fun onSwitched(selectedIndex: Int) } private fun selectTab(tabIndex: Int) { if (tabIndex == firstTabIndex) { firstTab.visibility = View.VISIBLE secondTab.visibility = View.INVISIBLE } else { firstTab.visibility = View.INVISIBLE secondTab.visibility = View.VISIBLE } selectedTab = tabIndex } private fun switchTab() { if (selectedTab == firstTabIndex) { selectTab(secondTabIndex) } else { selectTab(firstTabIndex) } mOnSwitchListener.onSwitched(selectedTab) } private fun setOrientation() { orientation = HORIZONTAL } private fun getBottomSplitView(): View { val view = View(context) view.setBackgroundColor(Color.parseColor(bottomSplitColor)) return view } private fun getBottomSplitLayoutParams(): LayoutParams { val layoutParams = LayoutParams(bottomSplitWidth, bottomSplitHeight) layoutParams.setMargins(3, 3, 3, 3) layoutParams.gravity = Gravity.CENTER_HORIZONTAL return layoutParams } private fun addCenterSplit() { val view = View(context) view.setBackgroundColor(Color.parseColor(centerSplitColor)) addView(view, getCenterSplitLayoutParams()) } private fun getCenterSplitLayoutParams(): LayoutParams { val layoutParams = LayoutParams(centerSplitWidth, centerSplitHeight) layoutParams.setMargins(3, 0, 3, 0) layoutParams.gravity = Gravity.CENTER_VERTICAL return layoutParams } private fun addTab(text: String): View { var linearLayout = LinearLayout(context) linearLayout.orientation = VERTICAL val textView = getTextView(text) linearLayout.addView( textView, LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT) ) val splitView = getBottomSplitView() linearLayout.addView(splitView, getBottomSplitLayoutParams()) addView(linearLayout, LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)) return splitView } private fun getTextView(text: String): TextView { val textView = TextView(context) textView.text = text textView.setPadding(10, 10, 10, 10) textView.textSize = textSize return textView }}

https://gitee.com/cxyzy1/custTabView

總結

到此這篇關于Android自定義view實現標簽欄功能(只支持固定兩個標簽)的文章就介紹到這了,更多相關android自定義view標簽欄內容請搜索好吧啦網以前的文章或繼續瀏覽下面的相關文章希望大家以后多多支持好吧啦網！