self.navigationController.tabBarController.selectedIndex not working

Question

I have a UITabBarController which containing 4 different UIViewControllers.

On first tab there is a UINavigationViewController which contains its child UIViewController. without tapping the tab bar, i want to take user on second tab. For this I tried:

self.navigationController.tabBarController.selectedIndex = 1;

But it's not working.

ignore any mistake i am a newbie.

Thank you.

Answer 1

Do the following, before trying to change tab:

UITabBarController *tab = self.tabBarController;

if (tab) {
   NSLog(@"I have a tab bar");
   [self.tabBarController setSelectedIndex: 1];
}
else {
   NSLog(@"I don't have one");
}