updateTabController method
dynamic
updateTabController()
Implementation
updateTabController() {
// tabController = TabController(length: widget.li_XAree!.length, vsync: this);
tabController = TabController(length: widget.appState.li_XAree.length, vsync: this);
setState(() {
print(tabController!.index.toString());
tabController!.index = widget.appState.li_XAree.firstWhere((element) => element.key_Area == widget.appState.area_Active.key_Area).idx_Area;
print(tabController!.index.toString());
});
}