I want to implement something using Storyboards, but I don't know the best way to accomplish it.
I don't want to use a Navigation Controller, since I don't want the navigation bar at the top.
I just want the ability to switch from one view controller to the next.
I have a Main Menu view controller, which will segue into other views, and those views might segue to other views... Now, lets say that the last view in the chain has a "Return To Menu" button: should I just segue from that button to the Menu view controller? Or should I somehow dismiss all of the previous view controllers?
I don't need iOS to hold a copy of the Main Menu view controller after the user taps out of it, but I can't seem to find a way to just load a new view controller and present it, instead of having a parent view display it "modally".
Would it cause a memory leak if I just create a loop of modal segues?
(for example: Main Menu --> VC1 --> VC2 --> Main Menu --> VC3 --> VC4 --> Main Menu...)
Any help will be much appreciated.
Thanks!
Each segue creates a new instance of the destination view controller, so having a segue back to the main menu is not a good idea.
You would be better off dismissing the presented view controller(s), but note that it is possible to use a navigation controller without showing the navigation bar - the navigation controller has a property, navigationBarHidden, which you can set to hide this.
Related
I just added a second view controller to my project, but when I went to set is as the initial view controller, the very convenient checkbox was missing (the Title label is also missing). I embedded it into a navigation controller just to see what was up, and the checkbox was available for the nav controller. We used to be able to have a project with two view controllers, no nav controller, and be able to simply check the box to set which was the initial. Is this a bug or a deliberate move away from the checkbox in anything that's not a navigation controller?
View controller (no checkbox):
Navigation controller:
That Inspector's contents look a lot like you have selected the view controller's main view, not the view controller itself.
I have a table view cell, which I am trying to connect to a view controller (table view is menu, titled equations) (view controller also has navigation controller and navigation bar, titled quadratics), however, when I control-click the table view cell and drag to the view controller and select "show", it works in the build, but it does not show a back button in the view controller, would there be any way to fix this (preferably with a story board and not programmatically).
Also, how would I make the animation from table view to view controller a right to left slide, and vice versa?
You do not need to have the second navigation controller in between your 2nd and 3rd view controller. Delete the navigation controller between your menu (table view controller) and equations view. And create a segue between them directly. This will add the equations view to the navigation stack and you will get the desired animation and back button automatically.
I have an app that has two navigation controllers. I'm trying to create the segue shown in the red arrow below: Pressing the "+" button should take you to a specific view controller of another NavigationController.
I've been able to successfully go to this view controller but it doesn't have any navigation properties (Pressing "Back" doesn't do anything).
How do I jump to a view controller in a different navigation controller but still retain navigation properties?
I will say you want to move from controller A to controller B for reference.
Each UINavigationController instance has a viewControllers array that stores the controllers in the navigation stack.
In your case, the first navigation controller has 2 view controllers in the navigation stack, the same thing for the second navigation controller.
If you press back in the view controller B, it should pop to one of the view controllers in the UINavigationController stack to which B belongs. Since controller A et B don't belong to the same UINavigationController, hence you cannot access the pop API to move back.
One way is to present controller B modally from controller A instead of pushing it.
I am using table view in my app. I manually created the table view with basic cells. I inserted a navigation bar on the top of the screen. When I scroll down, the navigation bar disappears. To make it reappear, I have to scroll back to the top of the screen. How do I ensure that the navigation abr is constantly there on the screen, while I am scrolling down.
There are a few different ways.
First way is to embed your view controller in Navigation controller instead of adding navigation bar directly to your view controller. Select your view controller and select Editor->Embed in->Navigation controller. It will add a navigation controller to the storyboard and will set up your view controller as its root controller.
This will work even if you use Tableview Controller (which won't let you add navigation bar manually in interface builder).
I would recommend you to use this way.
See screenshot http://imgur.com/WQhgktf
Second way is to add navigation bar directly to the controller and to check the hierarchy of the views: both table view and navigation bar should be on the same level and navigation bar should follow table view. Most likely your navigation bar was added as a subview of the table view.
Note that I would not recommend you to follow this way, because you will have to manually add constraints, this method won't work with table view controller, plus you can run in some other problems.
See screenshot http://imgur.com/UYeq8vF
probably an easy solution to this, but not sure how.
I'm using colelction view with a tab bar. I'm unable to drag a navigation bar on to the view from the objects pannel, and selecting the navigation bar from the properties pannel works, but doesn't display in simulator mode.
Any thoughts?
Many thanks, again.
Well, one way to achieve what you're looking for would be to embed the view controller or collection view controller that contains your collection within a navigation controller (Editor->Embed In>Navigation Controller).
Then instead of linking your controller with your collection directly to your tab bar, you would link the navigation controller that contains it.