I’m having some trouble with a integrating a navigation controller inside a tabbarcontroller that is not in the root view. My issue is that the root view, which leads to the tabbarcontroller is embedded in a navigation controller. Naturally, since the root view leads to the tabbarcontroller then each tab uses that root view’s navigation controller. Ideally I’d like to wrap each tab in its own navigation controller so that I could adjust them accordingly. I’ve tried using a modal segue and it allows me to put each tab in its own navigation controller, but this implementation does not work due to a sliding side menu plugin I am using. Embedding a navigationcontroller in each tab causes my autosizing to think there are two navbbars (because there are.) Any ideas? Is there a way I can maybe remove the navigationcontroller from latter views and keep it on the root?
TabBarControllers are meant to be root controllers, so your best course of action is likely going to be restructuring the navigation of your app to fit this paradigm. If you don't want the TabBarController to be the first view that the user sees (for instance, if your app has a login screen) then you can just modally present the login view controller over the top of the TabBarController when the app starts up (if needed).
Barring that, if you're just looking for a quick fix for your double navigation bar issue, you just want to get around your double navigation bar issue, you could just set the Top Bar property for your NavigationController to "none", as shown below.
Related
I'm trying to add UINavigationItem to my UIViewController as mentioned this answer. However the Navigation bar is not showing in my view. I tried even adding an outlet and setting the title programmatically and also adding the NavigationItem in two different places. Still it doesn't show. This view controller is embedded in a TabBarController. WHat am I missing here?
Thanks is advance.
This view controller is embedded in a TabBarController
But is it embedded, first and foremost, in a UINavigationController? If not, there will be no navigation bar that automatically appears and that automatically uses your view controller's navigation item.
If you don't want to use a UINavigationController (because you have no navigation to do), then you can add a navigation bar manually. But in that case your view controller's navigation item will not be used automatically to populate the navigation bar; you must populate it manually.
Typically, people do use a UINavigationController, even if there is no navigation to do, just to get this automatic behavior - to show the navigation bar and to populate it automatically.
[NOTE: The fact that you have told Interface Builder to show a navigation bar for this view controller, as if it were in a navigation controller, is irrelevant; that won't cause you to get any navigation bar when the app runs.]
I am trying to connect a new empty View(homeScreen) from a ViewController (loginScreen) using Xcode 6 Beta 4 and Swift. A button triggers the segue to the homeScreen View. The problem is that when I add the segue, my blank/empty homeScreen View magically gets a Navigation Item Bar on top of the view.
You can see that without the segue my homeScreen View its empty:
After the segue it looks like this:
As you can see, Xcode inserts the Navigation Item Bar on top (grey rectangle). I would like to know how to get rid of it or how to create an empty View that remains empty even after assigning a segue to it.
Thank you so much for your help!
Cheers!
UPDATE: My goal is to create a navigation bar kind of like the one Facebook implements in its' iOS app. On top have the search bar and maybe some more icons. Does anybody know how to do that? I tried to hide the Navigation bar by selecting my view controller and in the Attributes inspector setting the "Top Bar" attribute to none, but it does not work. Any suggestions?
Thanks again.
Does loginScreen is inside a UINavigationController? If it is, the new showed view controller (homeScreen) is supposed to be in the navigation controller too, and thus it has a navigation bar by default.
You can hide it if you want, but then you have to find an alternative way to navigate in your navigation controller.
Otherwise you can present the homeScreen modally changing the type of segue to "Present Modally".
For more details on view controller presentation see this document plus some updates in iOS8 (WWDC session: View Controller Advancement in iOS8).
EDIT: To implement the FB-like navigation bar I would customize the UINavigationController bar:
read this AppCoda tutorial about customizing the bar
to add a search bar use the code like:
let searchBar = UISearchBar()
...
self.navigationItem.titleView = self.searchBar
This is because the segue is a "push" segue ("Show (e.g. push)") from a View controller that is already included in a Navigation controller. Therefore, it is put in the stack of views of this Navigation Controller, and therefore receives a navigation bar.
If you don't want a navigation bar, then use either a modal segue ("Present modally"), or a custom segue.
Same thing if you need a different navigation Bar (not linked to the first Navigation Controller). You can perfectly have a modal segue leading to a UIViewController, which is embedded in its OWN navigation controller (or having only a navigation bar). Have a look in the menu: "Edit / Embed / Navigation controller".
I have a UINavigationViewController with two view controllers. The root view controller needs the navigation bar to be hidden, while in the second view controller, the navbar is visible.
I implemented custom transitions with UIViewControllerAnimatedTransitioning
When I push the second view, everything is fine. However, when I pop the view and return to root, there's a jump in the root controller frame. It animates in as though it has a navigation bar and when the animation completes, the frame is re-adjusted to full-screen.
What's the proper way to do this? The default transitions don't display this problem.
Two simple ways to fix it:
Hide the navigation bar entirely from the navigation controller and add a custom navigation bar to the first screen, independent on the navigation controller.
Let only the first screen to be in a navigation controller and create a custom transition to the second screen, not using navigation controller's push but implementing the push animation by yourself.
I have a storyboarded app with a chain of tableviews followed by a detail view. Kind of the classic iPhone app. There are 4 tabs and each one leads to a navigation controller.
The issue is I really want to avoid unnecessary glue code since the app is basically finished. If it was possible to connect the Search and Favorites (bottom two off the tab bar) controller as 'Root View Controllers' to the same UIViewController I would be done. However, this won't work since a view controller can only be the root view controller to one tab. So as you can see I've instituted two dummy UIViewControllers that forward you to the UIViewController in the middle. Now, unfortunately, I have to write code to make that central view controller a fake root view controller to disable the appearance of the back button, and prevent popping to the blank root when you double-tap the tab bar.
Has anyone got a more elegant solution?
This appears to be a flaw in Storyboards. One workaround would be to use simple view controllers for each navigation controller's rootViewController. Put a UIContainerView in each that points to the UIViewController you want to share.
It seems like this should be easy to figure out, but I haven't had any luck this afternoon. I threw together this quick, simplified storyboard mockup of my problem.
Basically, I would like the table view controllers below to also be in a tab bar controller (in addition to the already present navigation controller). The tabs would switch between the two table view controllers.
Right now, the view controller with the buttons acts as a sort of menu. Each button leads to one of the table view controllers. Ideally this view controller would not have the tab bar visible, and would only be reachable from back buttons on the nav bars of the table view controllers.
I've tried a few different ways of embedding into a tabbarcontrollers but none of them produce the desired result:
-I've tried selecting both table view controllers and embedding those in a tab view controller. The tabbar doesnt show up in simulator, and the 'unreachable scene' warning appears.
-I've tried embedding the initial nav controller into a tabbarcontroller. This creates a tab entry for the first 'menu' page. It also causes issues with push segues once I connect the tableviews to the tabview.
I would be fine implementing some programmatic options on top of the storyboard, I just chose storyboarding for this project since it's a relatively simple presentation of data.
What is the proper way of going about this? Thanks!
A tab bar controller needs to be the root view controller of your view hierarchy. It goes against the HIG and Apple's standards to put a tab bar controller inside of any other type of container controller.
From the Apple docs:
When deploying a tab bar interface, you must install this view as the
root of your window. Unlike other view controllers, a tab bar
interface should never be installed as a child of another view
controller.
So, the bottom line here is you need to rethink your design. One option would be to set the UITabBarController as the root view of your window, and then have each of your UITableViewControllers inside of a UINavigationController, which is placed inside of the UITabBarController. In this way, you still get the navigation bar, and stay within Apple's design guidelines (you also won't get those pesky warnings, and Apple may even be throwing an exception nowadays if you try to install a UITabBarController as anything other than the root view of the window).
I accept JMStone answer but we might get into situation where we need to put tab bar controller inside other controller especially table view controller.
Please refer Storyboard navigation controller and tab bar controller
and also the good example by Matthjin: http://cl.ly/VQLa
Hopes it help some one who want to put tab bar controller inside table view controller and wants proper navigation.