flex 学习笔记 TabNavigator

发布时间：2020-12-15 04:55:41 所属栏目：百科来源：网络整理

导读：ViewStack 、 TabNavigator ViewStack 是由若干个重合在一起的子容器组成的。但是每次只有一个子容器是可见的。 ViewStack 不提供可视化的操作来切换它的子容器，但是我们可以通过 selectedChild 来实现。 TabNavigator 和 viewStack 基本相同，只不过它多了

ViewStack、TabNavigator

ViewStack是由若干个重合在一起的子容器组成的。但是每次只有一个子容器是可见的。ViewStack不提供可视化的操作来切换它的子容器，但是我们可以通过selectedChild来实现。TabNavigator和viewStack基本相同，只不过它多了一个可视化的标签条来切换内部的子容器。

<? xml version="1.0" ?>
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< mx:Application xmlns:mx ="http://www.adobe.com/2006/mxml" fontSize ="12" >
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< mx:VDividedBox width ="100%" height ="100%" >
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< mx:Panel title ="ViewStack Example" height ="40%" width ="95%"
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paddingTop ="10" paddingLeft ="10" paddingRight ="10" paddingBottom ="10" >
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< mx:HBox borderStyle ="solid" width ="100%"
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paddingTop ="5" paddingLeft ="5" paddingRight ="5" paddingBottom ="5" >
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< mx:Button label ="Search Panel"
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click ="myViewStack.selectedChild=search;" />
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< mx:Button label ="Customer Panel"
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click ="myViewStack.selectedChild=custInfo;" />
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< mx:Button label ="Boss Panel"
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click ="myViewStack.selectedChild=accountInfo;" />
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</ mx:HBox >
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< mx:ViewStack id ="myViewStack" borderStyle ="solid" width ="100%" height ="80%" >
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< mx:Canvas id ="search" backgroundColor ="#FFFFCC" label ="Search Info" width ="100%" height ="100%" >
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< mx:Label text ="Search Screen" />
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</ mx:Canvas >
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< mx:Canvas id ="custInfo" backgroundColor ="#CCFFFF" label ="Customer Info" width ="100%" height ="100%" >
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< mx:Label text ="Customer Info" />
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</ mx:Canvas >
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< mx:Canvas id ="accountInfo" backgroundColor ="#FFCCFF" label ="Boss Info" width ="100%" height ="100%" >
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< mx:Label text ="Boss Info" />
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</ mx:Canvas >
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</ mx:ViewStack >
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</ mx:Panel >
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< mx:Panel title ="TabNavigator Example" height ="60%" width ="95%" paddingTop ="10" paddingLeft ="10" paddingRight ="10" paddingBottom ="10" >
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< mx:TabNavigator width ="100%" height ="100%" id ="tabNav" >
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< mx:Canvas id ="search1" backgroundColor ="#FFFFCC" label ="Search Info" width ="100%" height ="100%" >
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< mx:Label text ="Search Screen" />
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</ mx:Canvas >
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< mx:Canvas id ="custInfo1" backgroundColor ="#CCFFFF" label ="Customer Info" width ="100%" height ="100%" >
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< mx:Label text ="Customer Info" />
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</ mx:Canvas >
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< mx:Canvas id ="accountInfo1" backgroundColor ="#FFCCFF" label ="Boss Info" width ="100%" height ="100%" >
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< mx:Label text ="Boss Info" />
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</ mx:Canvas >
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</ mx:TabNavigator >
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< mx:HBox borderStyle ="solid" width ="100%"
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paddingTop ="5" paddingLeft ="5" paddingRight ="5" paddingBottom ="5" >
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< mx:Label text ="selectedChild" />
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< mx:Button label ="Search"
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click ="tabNav.selectedChild=search1;" />
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< mx:Button label ="Customer"
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click ="tabNav.selectedChild=custInfo1;" />
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< mx:Button label ="Boss"
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click ="tabNav.selectedChild=accountInfo1;" />
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</ mx:HBox >
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< mx:HBox borderStyle ="solid" width ="100%"
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paddingTop ="5" paddingLeft ="5" paddingRight ="5" paddingBottom ="5" >
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< mx:Label text ="selectedIndex" />
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< mx:Button label ="Search"
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click ="tabNav.selectedIndex=0;" />
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< mx:Button label ="Customer"
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click ="tabNav.selectedIndex=1" />
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< mx:Button label ="Boss"
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click ="tabNav.selectedIndex=2" />
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</ mx:HBox >
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</ mx:Panel >
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</ mx:VDividedBox >
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</ mx:Application >

（编辑：李大同）

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