Xcode Tabbed Application - Adding New Tab View

Xcode Tabbed Application - Adding New Tab view

Just add two more view controllers to your project, and then control drag from the tab bar controller to the view controllers to make segues to them. Make sure you select "Relationship-viewControllers" when the list pops up. Tabs will automatically be added.

You have to go to the menu and click on "New File", then Objective-C class, and finally make sure to select UIViewController subclass. Name it and then it will add the .h and .m files. Now in your storyboard make sure to change the class of each tab to the name of your file. That's it.

How to add more tabs in tab view controller storyboard application?

Add one view controller (UIViewController) And Add it with your tabBarController in relationship "View Controllers"(To do this right click on tab bar controller and drag it to new view controller and select bottom most relationship seague, i.e. view controller), your XIB page should look like:

You can apply same pattern for the rest.

To Add Controller Files

As @Jamie Said:
You have to go to the menu and click on "New File", then Objective-C class, and finally make sure to select UIViewController subclass. Name it and then it will add the files. Now in your storyboard make sure to change the class of each tab to the name of your file. i.e. to assign custom class for your ViewController this I have used Name AAA for that in Image.

Adding new tabs to a tab bar controller

First drag A TabBarController from Object Library you see that only two tabs with thier VC there.

to add more Tab Item in TabBarVC drag VC from Object Library

Then Control drag from TabBarVC to Newly VC then Segue relation pop ups

Select last one Relationship Segue -> View Controllers

How to add Tabs in a non-document-based app under macOS?

Ok here are new files,

Appdelegate

import Cocoa

@NSApplicationMain
class AppDelegate: NSObject, NSApplicationDelegate {

func applicationDidFinishLaunching(_ aNotification: Notification) {
    // Insert code here to initialize your application
}

func applicationWillTerminate(_ aNotification: Notification) {
    // Insert code here to tear down your application
}

func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
    return true
}

@IBAction func newWindowForTab(_ sender: Any?){
} // without this the + button doesn't show from start

}

ViewController

import Cocoa

class ViewController: NSViewController {

override func viewDidLoad() {
    super.viewDidLoad()

    // Do any additional setup after loading the view.
}

override var representedObject: Any? {
    didSet {
    // Update the view, if already loaded.
    }
}
}

and WindowController

import Cocoa

class WindowController: NSWindowController {

var subview: WindowController?

override func windowDidLoad() {
    super.windowDidLoad()
    // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
}

@IBAction override func newWindowForTab(_ sender: Any?) {

    let story = self.storyboard
    let windowVC: WindowController = story?.instantiateInitialController() as! WindowController

    self.window?.addTabbedWindow(windowVC.window!, ordered: .above)
    self.subview = windowVC

    windowVC.window?.orderFront(self.window)
    windowVC.window?.makeKey()
}

}

you have to add menu item and connect it to FirstResponder in menu view to newWindowForTab: action, assign key, say cmd+t to work, this example as is just adds tab from + button and window menu options work, "move tab to new window" and "merge all windows". You can drag tab out and drop back , move tabs horizontally.
Look like it works.

done with Xcode Version 8.2 beta (8C30a)

Trying to add 3rd tab to tabBarController

for third tab first add a view controller and then right click the tabview controller and then from it's storyboard segway from relation controll drag to the added view controller and it's done

In XCode 4.6 how do you create a brand new iOS application combining a tabbed main application with a navigation controller on one of the tabs?

I was as confused as you were when I did the same thing, but once you understand the structure you will find out that it is quite simple.

Basically, You want to create a UINavigationController with the RootViewController you want to display first:

[UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:theViewControllerYouWantToDisplayFirst];

Then just add this controller to the array for your tab buttons.

NSArray *tabs = [[NSArray alloc] 
                        initWithObjects: navController, otherTab, etc];

Then, set your tabs using such array.

UITabBarController *rootController = [[UITabBarController alloc] init];
[rootController setViewControllers:tabs];

and add it to your tab controller to your window:

[self.window setRootViewController:rootController];

And that is it. I took me some time to realize the way things are structured. The Tab View controller just holds a bunch of ViewControllers, you just need to make one of those view controllers your NavigationController.

Embed New ViewController Into Existing UITabBarController?

You can add a view to your TabBarController in storyboard by drag and drop an UIView on the menu of your TabBarController.

Then you just have to subclass your TabBarController and add this view to the main view of your TabBarController.

import UIKit

class CustomTabBarViewController: UITabBarController {

    @IBOutlet var alwaysOnView: UIView!

    override func viewDidLoad() {
        super.viewDidLoad()
        view.addSubview(alwaysOnView)
    }
}

Can Xcode Document-based app be set to always open in a new tab

Set window.tabbingMode to preferred in makeWindowControllers().

override func makeWindowControllers() {
    // Create the SwiftUI view that provides the window contents.
    let contentView = ContentView()

    // Create the window and set the content view.
    let window = NSWindow(
        contentRect: NSRect(x: 0, y: 0, width: 480, height: 300),
        styleMask: [.titled, .closable, .miniaturizable, .resizable, .fullSizeContentView],
        backing: .buffered, defer: false)
    window.isReleasedWhenClosed = false
    window.center()
    window.contentView = NSHostingView(rootView: contentView)
    
    window.tabbingMode = .preferred // open new document in tab
    
    let windowController = NSWindowController(window: window)
    self.addWindowController(windowController)
}

XCode TAB bar application with main menu screen

I'm not sure whether this will be acceptable to Apple, since a tab bar controller should always show a selected tab -- it might violate the HIG. I think it would be better to display a modal view controller at startup for your menu screen, which wouldn't show tabs, but could have buttons (corresponding to the tabs) to take you directly to one of the tabs when the modal controller is dismissed. If you present this controller from the viewDidAppear method of the controller in the first tab (with no animation), it will be the first thing the user sees.

Xcode - How to attach a tab bar to a view without adding a tab for the new view

It sounds like you need to use a UINavigationController.

When you set up your UITabBarController, instead of linking the third tab directly to your 3rd view controller, connect it to a UINavigationController, and then set the root view of that UINavigationController as the UIViewController you want as your third tab.

From there, you can set up your buttons to perform a push segue to your second view controller (view 3b from your question). If you do this, not only will you keep the tab bar on view 3b, but a back button will automatically be placed in the top left of the page so the user can simply go back to view 3. If you don't want the navigation bar that appears to be there, you can instead uncheck the "shows navigation bar" checkbox in the UINavigationController's attributes inspector.

I hope this helps!

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