Android自定义view实现标签栏功能(只支持固定两个标签)
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2022-03-20 18:49:21
实现效果图主要代码完整源代码class tabview(context: context, attributeset: attributeset?) : linearlayout(contex...
实现效果图
主要代码
完整源代码
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
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