I instantiate my UITabBarController by calling navigationController.viewControllers = #[[self.storyboard instantiateViewControllerWithIdentifier:#"tabController"]];
My Tab bar controller has a child view that is embedded in a navigation controller. However the bar button (item) is unresponsive when I touch them (the buttons in the navigation bar). I have tried logging the action but it appears as if the button is not firing at all.
The only thing that I have done differently is the way i instantiated the tab bar controller. Am I missing something?
I connected the navigation bar button from the storyboard to an action so it is hooked up successfully. Please note there is also a navigation Controller pointing to the UITabbarController not shown below.
The unwanted behaviour maybe because this flow (navigation controller to tabbar controller) is ill advised in the Apple HIG. More information can be found here: Storyboard with NavigationController and TabController. The solution I found was to hide the navigation bar on the navigation controller that links to the navigation bar (can be done in interface builder), then make it reappear in the new navigation controller that the tab bar links to. Confusing I know, I can help anyone who ever has a similar issue.
Is there any specific reason you are doing this:
navigationController.viewControllers = #[[self.storyboard instantiateViewControllerWithIdentifier:#"tabController"]];
You can simply drag an outlet from the UITableViewController to the UINavigationController using only the Storyboard.
I think you forgot to add the navigationItem. In the storyboard, add a navigation Item to your viewController and move your bar button items to the navigation bar that appears on the top.
Related
Ok, I have all my view controllers managed by a tab bar controller, and obviously when you connect in the storyboard the relationship between the controller and the Vcs as "view controller" a button appears on the tab bar. These are then accessible via the tab bar controller.
My problem is I need to have one VC be the in view controller array but NOT BE SHOWN IN A BUTTON on the tab bar. It should not be accessible to the user, but I need to be able to switch to that VC in code with selectedIndex
I do not know how to do this. I have tried disabling the button and doing
self.tabBar.items?[3].accessibilityElementsHidden = true
But the button is still there on the tab bar. How can I have the VC in the array of the tab bar controller but not shown in a button?
This is not possible using the UITabBarController as is.
Not 100% sure on why you need to have a VC in that array but never visible on the bar, consider subclassing UITabBarController if thats the case.
Changes to the viewControllers or items property of a UITabBarController will encourage iOS to reload the Component and hence why you are seeing the VC in the TabBar.
I'm trying to display the navigation bar at the top of the screen, but it's not showing in embed navigation controller.
Here is how it is in the storyboard:
And here it's in the simulator:
As you can see, I created a custom TabBar (following this tutorial) at the bottom of the screen so I can navigate between the different views.
I believe that I'm going to have to load the navbar programatically because the only solution that I found was to set the navigation controller as the initial view controller, but I already set another view as the initial one so I can't do that.
Issue :
When you instantiate a viewController using storyBoard identifier they wont come with free embedded navigation controller, even if you have added a NavigationController to them. As a result you are adding a viewController without navigation bar to your tab bar VC.
Solutions:
Solution1: If you want each child viewControllers to carry their own navigation controller hence their own navigation stack, provide a storyboard identifier to Navigation Controller behind your child viewControllers and instantiate the Navigation controller itself rather than ViewController. And add NavigationController as you tab bar looking VC's child. Because navigation controller loads the embdedded VC by default you will see your child VC with nav bar.
Solution2: All that you care for is only nav bar than add the Navigation Controller behind the VC containing tab bar looking View.
Hope it helps
Have you tried constraining the navigation bar to your view? Otherwise it can move offscreen.
You need to point the tab bar controller segue to the navigation controller of your view - otherwise if you point the segue straight to the view you're just loading the view without any navigation controller attached.
i've created a tabBarController subclass and linked 3 viewcontrollers to the TabBarController in the storyboard. In the 3 ViewControllers which is directly connected with the tabBarController the UIBarButtons wont react when i click. They wont show the log message and does not do the highlight color. It seems like the navigationBar interaction is disabled or something. When i present a view modally on top of one of the 3 ViewControllers i have no problem with interaction with a UIBarButton in the modally presented View. I'm wondering what could result in such? i've struggled with this for ours.
i don't know if this has anything to do with it aswell, but in the modally presented views this does also result in white statusBar textColor, but it does not change it in the 3 views connected to the TabBarController.
What could this issue be?
self.navigationController.navigationBar.barStyle = UIBarStyleBlack;
self.navigationController.navigationBar.translucent = NO;
i've simply manually added a UIBarButton in the storyboard and then connected this action.
-(IBAction)testAction :(id)sender {
NSLog(#"test");
}
Try this
You just take 3 Navigation Controller as your tab bar view controller rather than simply view controller.
And connect tab bar view controller with navigation controller.
On navigation controller there is one view controller, on that navigation bar put your bar button item and connect to IBAction Method.
Its works for me.
I want to add UITabBarController as root view of my UINavigation controller. The purpose of that is that I want to make similar navigation as Facebook app: Then user select contact on Contacts tab - pushed view with user details doesn't have TabBar.
So, I have navigation controller, tab bar as a root view or it and couple TableViewControllers inside this UITabBarController.
I have two major issues with that:
I can't assign title for navigation bar for root views of tabbar. If I open contact details I have navigation bar title and no tab bar (as I wanted). But if I select Contacts or Favorites - those views have empty navigation bar title. I've tried to set it on viewDidLoad and viewDidApper without any success
Even worse issue. When I press Favorites table view insets are broken. first cell is under navigation bar. First loaded tableview (in my case Contact) displayed correctly. Adjust scroll view insets is YES for both TableViews.
Update:
Solution storyboard (note property "Hide Bottom Bar on the Push" is switched to YES).
I was also struggling with UITabBarController + UINavigationController issue. When UITabBarController was contained by UINavigationController, content insets were acting really weird.
I would suggest to use navigation controllers inside UITabBarController and when next controller is pushed, set 'hidesBottomBarWhenPushed' on that controller to YES.
This would also solve setting navigation bar title, as navigation controller is closer to view controller. You can just use self.navigationItem.
If you leave it to current setup - UITabController contained within UINavigationController, then you need to modify navigationItem on controllers tabBarController (self.tabBarController.navigationItem). Note that best place for it would be in view controllers 'viewWillAppear' for every controller contained within UITabBarController, as they share one navigation item.
In my storyboard I have a view with a segue into a new view that's embedded into a Navigation Controller (so the segue points to the navigation controller). I have the segue set to a Modal transition, however when the new view is animating up, it contains the standard blue navigation bar above the view (which then animates out of view).
Here's what it looks like mid segue: http://i.imgur.com/3eqAQ.png
How do I make it so the modal view animates up but without the navigation bar?
I have tried hiding the navigation bar in the embedded view's init, viewWillAppear, and vieWillLoad methods and that doesn't work.
I event went so far as to create a custom subclass of UINavigationController and set the navigation controller in the storyboard to it.
Thanks!
This may sound pretty simple, but have you tried hiding the navigation bar immediately before the modal segue starts? I had this problem when presenting a modal view controller and adding a [self.navigationController setNavigationBarHidden:YES] immediately before the presentation did the trick for me.
I had almost the same problem, but I wanted to get a navigation bar for my modal transition, as it was always hidden.
There may be two ways for you to remove the navigation bar:
Make sure that your view controller is not embed in a navigation controller, as it would put one by default
Check the "Top Bar" attribute of your previous controller in the workflow and work with none/inferred values depending on your storyboard.
Regards