[iOS] How to switch from one Tab bar to another via program
選取中的 tab 的切換，原來只需要設定 index:
Heres a simpler answer (if you know the index of the Tab Bar item is not in the “more” view controllers): just get a reference of the tabController and set the “selectedIndex” property
self.tabBarController.selectedIndex = 0;解法2：
Set selectedViewController property of UITabBarController
self.myTabBarController.selectedViewController = myViewController;Use as below
self.myTabBarController.selectedViewController
= [self.myTabBarController.viewControllers objectAtIndex:0];from:
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