I have an initial 'parent menu' view controller with a 'photos' button (more buttons to come like 'events').
From the Photos button I have a simple ctrl-drag segue to a navigation controller which has a tableview as it's first view(albums), collections view(thumbs), then imageview(fullsize).
The problem I am having is:
I want to be able to segue back to the initial simple 'parent menu' view controller from the first table view after the nav controller.
I tried:
dragging a button into the table view's top menu bar area (it was considered a UINavigationItem) and dragging a segue back to the menu... didn't work.
setup outlet from button in the tableview menu area to its parent view and calling [self performSegueWithIdentifier: #"BackToMenu" sender: self]; from there, didn't work.
dragging a button into the table view as a last item and ctrl+dragging it as a segue to the menu: didn't work.
tried a segue going back from the nav controller to the menu and manually calling it, but the outlet function connected to the 'menu' button I dragged into the tableview top back NEVER gets hit.
What am I missing?
I plan to have a few navigation controllers going out from the menu page in the storyboard from multiple buttons.
You don't need a segue for this. You can create a button in your table view and link it to an action in your table view which dismisses the currently presented view controller (I'm assuming your segue that presented the navigation controller stack in the first place was of a "modal" type):
[self.navigationController dismissViewControllerAnimated:YES completion:nil];
Alternatively, you can look into "Unwind Segues" but I haven't used these myself yet so wouldn't like to include details here.
You can drag a "Bar Button Item" to the left side of the first table view after the navigation controller. From there, do the control-drag back from the bar button item to the initial view controller, and choose a "modal" segue. While this answers your question, as #jrturton said in the comments below, this isn't optimized, because it will create a new instance.
If you want to do this programmatically (which will return to the existing instance), create an IBAction for the Bar Button Item on the table view controller. For example in iOS 6:
-(IBAction)returnToParentMenu:(id)sender {
[self dismissViewControllerAnimated:YES completion:nil];
}
or in iOS 5:
-(IBAction)returnToParentMenu:(id)sender {
[self dismissModalViewControllerAnimated:YES];
}
What I wound up doing was making the nav controller first before anything and then my menu page was first with buttons down each respective path.
on the above: The ctrl+drag didnt work from the nav bar button, kept totally blowing up.
I did not realize I could go from nav controller to a regular view controller first. thought it needed to go to table view first since when you drag out a nav it comes paired with a table.
If I had 10+ 'points' in this strange forum I'd post a screen shot of the storyboard.
Thanks all
Related
I am working in a swift 3 xcode 8 project, and I have an issue.
I have some view controllers.
In the first one I've inserted a navigation controller, which gives me the "back" button when I am in another view controller. So I can go on and back to the first viewcontroller.
The thing is, lets say, when I am in the third view controller I'd like to insert a button, but appearing just in this viewcontroller in the navigation controller.
I've tried adding a bar button item but it doesnt work because the navigation controller only appears, in the storyboard, in my first viewcontroller.
So how can I add buttons to the navigation controller, in another viewcontrollerS?
So how can I add buttons to the navigation controller, in another viewcontrollerS
Drag a Navigation Item into your third view controller. Now you can add bar button items to that.
I am interested in implementing a back button to segue to a previous view controller. I have tried to embed a navigation bar onto the the top of the table view controller but the issue is when I do segue back to the first view controller, by default, Xcode keeps the navigation bar with a back button to go back to the table view controller. Is there a simpler way to implement a segue to go back to the first VC without the navigation bar remaining?
I'm not too sure if this works, but embed your view controllers including the first one inside the navigation controller. That would make all your view controllers with navigation bar above.
On the main view controller (the one you do not want to have the navigation bar), add the line of code inside your viewDidLoad method.
Swift 3:
self.navigationController?.navigationBar.isHidden = true
I found an easy way. On your TableViewController, drag a UIview to the top of the view controller and itll let you insert the view. From there just add your back button
Just assign your "Back" UIBarButtonItem to this method and it should work.
#IBAction func backButtonPressed(sender: AnyObject) {
self.dismissViewControllerAnimated(true, completion: nil)
}
Sounds like a few problems
1) How are you navigating from the first view controller? Is it with Show (Push) if not, you are replacing the first view controller in your stack.
2) Based on your problem, make sure your first view controller is not embedded in a navigation controller
3) As Dylan mentioned, you need to hook your back button to remove the current view controller to return to the first one
4) Extension of (3), how are you segueing back to the first view controller? If you are explicitly navigating to first view controller with your back button handler, it's not actually going back but rather forward and keep the navigation bar.
in the top view of my view controller (the last table view controller) has an add navigation item. i added a view controller object from the objects library and i ctrl + dragged from the plus button to the view controller. i tried the app and it works fine but i can't go back to the previous controller when i reach the last controller. since the last controller connected (by segue) to the plus button, i can't have a navigation bar on top. so i added one and added an navigation item called it Done. i created an IBAction method in the class that the last controller subclasses which have the following code:
[self.navigationController popNavigationControllerAnimated:YES];
However, when i run the app and press the Done button to go back, it doesn't work although i feel like what i did is totally legal.
If you would have made the final view controller segue a Push segue, you'd still have the navigation bar with a back button. It makes sense since you're adding a record that you'd want a modal view.
You can dismiss the current modal view with the following code:
[self dismissViewControllerAnimated:YES completion:nil];
Generally, you should use delegation and dismiss it from the presenting view controller. However, I think it's fine to dismiss yourself if you're using storyboards, segues, and ARC.
Did you create a Bar Button Item and assigned its 'selector' callback?
I'm using the following code to perform a segue to another view controller:
[self performSegueWithIdentifier:#"BackSegue" sender:self];
This works fine when the destination of "BackSegue" named segue is another view controller (one of the tabs, actually) but I need to display the tabs at the bottom so transitioning directly to this view controller won't work as there will be no tabs. Is it allowed/possible to segue to a tabbar controller? Is anything wrong with this specific code or would it be something else I'm doing?
Edit 1
The TabBar controller has no .m/.h files and is never declared programmatically, but I'm pretty sure the segue is set up correctly in the storyboard to the best of my knowledge (the same way it was set up earlier directly to the other viewcontroller).
You can segue directly to a UITabBarController. Just change the segue in your storyboard. When the segue occurs, it should load the tab bar controller, and consequently the tab bar at the bottom of the screen and the first view controller's view associated with the tab bar controller.
In order to segue to the specific tab in the tab bar controller:
You need to add the selectedIndex=1
Add these lines of code for segue:
UITabBarController *loadTabBar = [self.storyboard instantiateViewControllerWithIdentifier:#"TasksAppsTabs"];
loadTabBar.selectedIndex=1;
[self presentViewController:loadTabBar animated:YES completion:nil];
I am very new to Xcode and have encountered an issue with my app. I am trying to create a tab bar app. On one of the tabs I have a button that brings the user to a different ViewController. I want to have it so the user can select a button that would return them to the tab that had the button. I tried to set up an action from the button to the previous view (the tabbed screen), however the tab bar disappears. I hope this is makes sense.
Here is a link to a screenshot...
Easiest way to do this is to place a UINavigationController as the root view controller of the TabBarController. You can do this in storyboard by simply ctrl+dragging from the tabbar controller to the navigation controller and adding it as a relationship.
Here's an example using storyboards:
The next step is to set the third controller (in this case the table view controller) to your player view controller class.
Then, you can use the default back button and animation that comes with the navigation controller. If you prefer to hide the navigation bar at the top of the screen, then you can use your custom back button to call
[self.navigationController popViewControllerAnimated:YES];
You can also choose custom animations / segues, etc. but using a navigation controller to help you navigate screens is probably the simplest approach.