<itemvalue="A Material Design primary tab bar. Primary tabs are placed at the top of the content pane under a top app bar. They display the main content destinations. Typically created as the [AppBar.bottom] part of an [AppBar] and in conjunction with a [TabBarView]. {@youtube 560 315 https:www.youtube.comwatch?v=POtoEH-5l40} If a [TabController] is not provided, then a [DefaultTabController] ancestor must be provided instead. The tab controller's [TabController.length] must equal the length of the [tabs] list and the length of the [TabBarView.children] list."/>
<itemvalue="A Material Design primary tab bar. Primary tabs are placed at the top of the content pane under a top app bar. They display the main content destinations. Typically created as the [AppBar.bottom] part of an [AppBar] and in conjunction with a [TabBarView]. {@youtube 560 315 https:www.youtube.comwatch?v=POtoEH-5l40} If a [TabController] is not provided, then a [DefaultTabController] ancestor must be provided instead. The tab controller's [TabController.length] must equal the length of the [tabs] list and the length of the [TabBarView.children] list."/>