Set UITabBarController as rootViewController

I have a UITabBarController and I want to show this screen and not the login screen if the user session is still active.

My UITabBarController has 3 ViewControllers and the problem is that I don't see the TabBar links in the bottom and I'm unable to navigate.

enter image description here

Without the following code everything works fine. I mean after login I can navigate.

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        // Override point for customization after application launch.



        FirebaseApp.configure()



        if Auth.auth().currentUser != nil {

            window = UIWindow(frame: UIScreen.main.bounds)

            window?.makeKeyAndVisible()

            window?.rootViewController = HomeTabBarController()

        }



        return true

    }

I have also tried the following code to set the rootViewController but it's the same problem.

When I try to set one of the other view controllers as root (one of the children), the Tab Bar doesn't show at all

var rootView: MyRootViewController = MyRootViewController()



if let window = self.window{

    window.rootViewController = rootView

}

What am I doing wrong here?

enter image description here

edited Jan 3 at 7:41

Kaushik Makwana

960623

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

1

"My UITabBarController has 3 ViewControllers" Really? I don't see you giving HomeTabBarController any child view controllers. Show the code where that happens. Thanks.

– matt
Jan 3 at 1:31

Hi! I have in my storyboard three relationship segues to the TabBarController. Please check my new screenshot in the updated question.

– Rexhin Hoxha
Jan 3 at 1:35

1

Okay but you are saying window?.rootViewController = HomeTabBarController(). That is not the one in the storyboard.

– matt
Jan 3 at 1:40

If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

I have a UITabBarController and I want to show this screen and not the login screen if the user session is still active.

My UITabBarController has 3 ViewControllers and the problem is that I don't see the TabBar links in the bottom and I'm unable to navigate.

enter image description here

Without the following code everything works fine. I mean after login I can navigate.

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        // Override point for customization after application launch.



        FirebaseApp.configure()



        if Auth.auth().currentUser != nil {

            window = UIWindow(frame: UIScreen.main.bounds)

            window?.makeKeyAndVisible()

            window?.rootViewController = HomeTabBarController()

        }



        return true

    }

I have also tried the following code to set the rootViewController but it's the same problem.

When I try to set one of the other view controllers as root (one of the children), the Tab Bar doesn't show at all

var rootView: MyRootViewController = MyRootViewController()



if let window = self.window{

    window.rootViewController = rootView

}

What am I doing wrong here?

enter image description here

edited Jan 3 at 7:41

Kaushik Makwana

960623

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

1

"My UITabBarController has 3 ViewControllers" Really? I don't see you giving HomeTabBarController any child view controllers. Show the code where that happens. Thanks.

– matt
Jan 3 at 1:31

Hi! I have in my storyboard three relationship segues to the TabBarController. Please check my new screenshot in the updated question.

– Rexhin Hoxha
Jan 3 at 1:35

1

Okay but you are saying window?.rootViewController = HomeTabBarController(). That is not the one in the storyboard.

– matt
Jan 3 at 1:40

If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

I have a UITabBarController and I want to show this screen and not the login screen if the user session is still active.

My UITabBarController has 3 ViewControllers and the problem is that I don't see the TabBar links in the bottom and I'm unable to navigate.

enter image description here

Without the following code everything works fine. I mean after login I can navigate.

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        // Override point for customization after application launch.



        FirebaseApp.configure()



        if Auth.auth().currentUser != nil {

            window = UIWindow(frame: UIScreen.main.bounds)

            window?.makeKeyAndVisible()

            window?.rootViewController = HomeTabBarController()

        }



        return true

    }

I have also tried the following code to set the rootViewController but it's the same problem.

When I try to set one of the other view controllers as root (one of the children), the Tab Bar doesn't show at all

var rootView: MyRootViewController = MyRootViewController()



if let window = self.window{

    window.rootViewController = rootView

}

What am I doing wrong here?

enter image description here

edited Jan 3 at 7:41

Kaushik Makwana

960623

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

I have a UITabBarController and I want to show this screen and not the login screen if the user session is still active.

My UITabBarController has 3 ViewControllers and the problem is that I don't see the TabBar links in the bottom and I'm unable to navigate.

enter image description here

Without the following code everything works fine. I mean after login I can navigate.

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        // Override point for customization after application launch.



        FirebaseApp.configure()



        if Auth.auth().currentUser != nil {

            window = UIWindow(frame: UIScreen.main.bounds)

            window?.makeKeyAndVisible()

            window?.rootViewController = HomeTabBarController()

        }



        return true

    }

I have also tried the following code to set the rootViewController but it's the same problem.

When I try to set one of the other view controllers as root (one of the children), the Tab Bar doesn't show at all

var rootView: MyRootViewController = MyRootViewController()



if let window = self.window{

    window.rootViewController = rootView

}

What am I doing wrong here?

enter image description here

ios swift

edited Jan 3 at 7:41

Kaushik Makwana

960623

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

edited Jan 3 at 7:41

Kaushik Makwana

960623

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

edited Jan 3 at 7:41

Kaushik Makwana

960623

edited Jan 3 at 7:41

Kaushik Makwana

960623

edited Jan 3 at 7:41

Kaushik Makwana

960623

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

asked Jan 3 at 1:28

Rexhin Hoxha

89121947

1

"My UITabBarController has 3 ViewControllers" Really? I don't see you giving HomeTabBarController any child view controllers. Show the code where that happens. Thanks.

– matt
Jan 3 at 1:31

Hi! I have in my storyboard three relationship segues to the TabBarController. Please check my new screenshot in the updated question.

– Rexhin Hoxha
Jan 3 at 1:35

1

Okay but you are saying window?.rootViewController = HomeTabBarController(). That is not the one in the storyboard.

– matt
Jan 3 at 1:40

If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

1

"My UITabBarController has 3 ViewControllers" Really? I don't see you giving HomeTabBarController any child view controllers. Show the code where that happens. Thanks.

– matt
Jan 3 at 1:31

Hi! I have in my storyboard three relationship segues to the TabBarController. Please check my new screenshot in the updated question.

– Rexhin Hoxha
Jan 3 at 1:35

1

Okay but you are saying window?.rootViewController = HomeTabBarController(). That is not the one in the storyboard.

– matt
Jan 3 at 1:40

If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

"My UITabBarController has 3 ViewControllers" Really? I don't see you giving HomeTabBarController any child view controllers. Show the code where that happens. Thanks.

– matt
Jan 3 at 1:31

Hi! I have in my storyboard three relationship segues to the TabBarController. Please check my new screenshot in the updated question.

– Rexhin Hoxha
Jan 3 at 1:35

Okay but you are saying window?.rootViewController = HomeTabBarController(). That is not the one in the storyboard.

– matt
Jan 3 at 1:40

If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

4 Answers
4

active

oldest

votes

I was facing same issue and I came across your post, the problem with your code is that HomeTabBarController() is creating a whole new TabBarController so to fix it try the following approach I used.

if Auth.auth().currentUser != nil {{



            print("******************************User Present******************************")

            self.window = UIWindow(frame: UIScreen.main.bounds)

            let storyboard = UIStoryboard(name: "Main", bundle: nil)



            // create view controllers from storyboard

            // Interface Builder -> Identitiy Inspector -> Storyboard ID

            // Set up the Tab Bar Controller to have two tabs

            let tabBarController  = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController

            // Make the Tab Bar Controller the root view controller

            window?.rootViewController = tabBarController

            window?.makeKeyAndVisible()

        }

Edit Make sure to add the Identifier to your TabBarController

    // Interface Builder -> Identitiy Inspector -> Storyboard ID

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

add a comment |

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {



        //// this code changes the initial point of aap///////



        window = UIWindow(frame: UIScreen.main.bounds)

        let nav = UINavigationController()

        let myview = SettingTabbar()

        nav.viewControllers = [myview]

        window?.rootViewController = nav

        window?.makeKeyAndVisible()



        return true

    }

And Function SettingTabbar is:

func SettingTabbar()->(UITabBarController)

{

    //Setting TabBar

    let tabbar = UITabBarController()



    //Designing Tabbar Item Images

    let table = UITabBarItem(title: nil, image:UIImage(named: "002-list") , tag: 0)

    let collection = UITabBarItem(title: nil, image: UIImage(named: "001-collect"), tag: 1)

    let insert = UITabBarItem(title: nil, image: UIImage(named: "add"), tag: 2)



    //Getting TabBar ViewControllers

    let TableView = newViewController()

    let CollectionView = PersonCollectionViewController()

    let InsertRec = nextViewController()

    //Setting ViewControllers on TabBar Items

    TableView.tabBarItem = table

    CollectionView.tabBarItem = collection

    InsertRec.tabBarItem = insert

    let controllers = [TableView,CollectionView,InsertRec]

    tabbar.viewControllers = controllers

    tabbar.viewControllers = controllers.map{UINavigationController(rootViewController: $0)}

    //Setting Title

    tabbar.navigationItem.title = "Person Record"



    return tabbar



}

answered Jan 3 at 9:56

Muhammad Hashim

1

This method is without storyboard

– Muhammad Hashim
Jan 3 at 9:58

1

if you want that method then delete storyboard also from info.plist

– Muhammad Hashim
Jan 3 at 9:59

add a comment |

The problem is this line:

window?.rootViewController = HomeTabBarController()

That is the wrong HomeTabBarController. It is a totally new HomeTabBarController with no children. You need to fetch the HomeTabBarController that’s in the storyboard.

answered Jan 3 at 1:41

matt

334k46545743

But how can I do that. If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

I finally found the solution: As @matt suggested I had to fetch the HomeTabBarController that’s in the storyboard.

    window = UIWindow(frame: UIScreen.main.bounds)





   let storyboard = UIStoryboard.init(name: "Main", bundle: nil)



   // controller identifier sets up in storyboard utilities

   // panel (on the right), it called Storyboard ID

   let viewController = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController



   self.window?.rootViewController = viewController

   self.window?.makeKeyAndVisible()



   window?.makeKeyAndVisible()

   window?.rootViewController = viewController

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

1

You could also just set the HomeTabBarController to be the initial view controller in the story board, and all the above code would be unnecessary.

– Claus Jørgensen
Jan 3 at 2:04

How can I do that? I mean I still need to show the login form if the user session has clicked log out

– Rexhin Hoxha
Jan 3 at 2:05

1

Read up about adding child view controllers (it's a thing, but commonly forgotten by many iOS devs), or just general navigation flow. It's all about how you structure your project, and making a custom window and setting the root VC manually is just going to cause you headaches later on.

– Claus Jørgensen
Jan 3 at 2:07

Do you mean performSegue() by 'adding child view controllers'. Because right now what I have found is one using rootViewController and the other is performSegue(). Could you give me some more information please on which is the best way to show or to hide the login screen depending if the session is active or not.

– Rexhin Hoxha
Jan 3 at 2:15

add a comment |

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4 Answers
4

active

oldest

votes

4 Answers
4

active

oldest

votes

if Auth.auth().currentUser != nil {{



            print("******************************User Present******************************")

            self.window = UIWindow(frame: UIScreen.main.bounds)

            let storyboard = UIStoryboard(name: "Main", bundle: nil)



            // create view controllers from storyboard

            // Interface Builder -> Identitiy Inspector -> Storyboard ID

            // Set up the Tab Bar Controller to have two tabs

            let tabBarController  = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController

            // Make the Tab Bar Controller the root view controller

            window?.rootViewController = tabBarController

            window?.makeKeyAndVisible()

        }

Edit Make sure to add the Identifier to your TabBarController

    // Interface Builder -> Identitiy Inspector -> Storyboard ID

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

add a comment |

if Auth.auth().currentUser != nil {{



            print("******************************User Present******************************")

            self.window = UIWindow(frame: UIScreen.main.bounds)

            let storyboard = UIStoryboard(name: "Main", bundle: nil)



            // create view controllers from storyboard

            // Interface Builder -> Identitiy Inspector -> Storyboard ID

            // Set up the Tab Bar Controller to have two tabs

            let tabBarController  = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController

            // Make the Tab Bar Controller the root view controller

            window?.rootViewController = tabBarController

            window?.makeKeyAndVisible()

        }

Edit Make sure to add the Identifier to your TabBarController

    // Interface Builder -> Identitiy Inspector -> Storyboard ID

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

add a comment |

if Auth.auth().currentUser != nil {{



            print("******************************User Present******************************")

            self.window = UIWindow(frame: UIScreen.main.bounds)

            let storyboard = UIStoryboard(name: "Main", bundle: nil)



            // create view controllers from storyboard

            // Interface Builder -> Identitiy Inspector -> Storyboard ID

            // Set up the Tab Bar Controller to have two tabs

            let tabBarController  = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController

            // Make the Tab Bar Controller the root view controller

            window?.rootViewController = tabBarController

            window?.makeKeyAndVisible()

        }

Edit Make sure to add the Identifier to your TabBarController

    // Interface Builder -> Identitiy Inspector -> Storyboard ID

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

if Auth.auth().currentUser != nil {{



            print("******************************User Present******************************")

            self.window = UIWindow(frame: UIScreen.main.bounds)

            let storyboard = UIStoryboard(name: "Main", bundle: nil)



            // create view controllers from storyboard

            // Interface Builder -> Identitiy Inspector -> Storyboard ID

            // Set up the Tab Bar Controller to have two tabs

            let tabBarController  = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController

            // Make the Tab Bar Controller the root view controller

            window?.rootViewController = tabBarController

            window?.makeKeyAndVisible()

        }

Edit Make sure to add the Identifier to your TabBarController

    // Interface Builder -> Identitiy Inspector -> Storyboard ID

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

answered Jan 13 at 7:55

Ussaid Iqbal

5841515

add a comment |

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {



        //// this code changes the initial point of aap///////



        window = UIWindow(frame: UIScreen.main.bounds)

        let nav = UINavigationController()

        let myview = SettingTabbar()

        nav.viewControllers = [myview]

        window?.rootViewController = nav

        window?.makeKeyAndVisible()



        return true

    }

And Function SettingTabbar is:

func SettingTabbar()->(UITabBarController)

{

    //Setting TabBar

    let tabbar = UITabBarController()



    //Designing Tabbar Item Images

    let table = UITabBarItem(title: nil, image:UIImage(named: "002-list") , tag: 0)

    let collection = UITabBarItem(title: nil, image: UIImage(named: "001-collect"), tag: 1)

    let insert = UITabBarItem(title: nil, image: UIImage(named: "add"), tag: 2)



    //Getting TabBar ViewControllers

    let TableView = newViewController()

    let CollectionView = PersonCollectionViewController()

    let InsertRec = nextViewController()

    //Setting ViewControllers on TabBar Items

    TableView.tabBarItem = table

    CollectionView.tabBarItem = collection

    InsertRec.tabBarItem = insert

    let controllers = [TableView,CollectionView,InsertRec]

    tabbar.viewControllers = controllers

    tabbar.viewControllers = controllers.map{UINavigationController(rootViewController: $0)}

    //Setting Title

    tabbar.navigationItem.title = "Person Record"



    return tabbar



}

answered Jan 3 at 9:56

Muhammad Hashim

1

This method is without storyboard

– Muhammad Hashim
Jan 3 at 9:58

1

if you want that method then delete storyboard also from info.plist

– Muhammad Hashim
Jan 3 at 9:59

add a comment |

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {



        //// this code changes the initial point of aap///////



        window = UIWindow(frame: UIScreen.main.bounds)

        let nav = UINavigationController()

        let myview = SettingTabbar()

        nav.viewControllers = [myview]

        window?.rootViewController = nav

        window?.makeKeyAndVisible()



        return true

    }

And Function SettingTabbar is:

func SettingTabbar()->(UITabBarController)

{

    //Setting TabBar

    let tabbar = UITabBarController()



    //Designing Tabbar Item Images

    let table = UITabBarItem(title: nil, image:UIImage(named: "002-list") , tag: 0)

    let collection = UITabBarItem(title: nil, image: UIImage(named: "001-collect"), tag: 1)

    let insert = UITabBarItem(title: nil, image: UIImage(named: "add"), tag: 2)



    //Getting TabBar ViewControllers

    let TableView = newViewController()

    let CollectionView = PersonCollectionViewController()

    let InsertRec = nextViewController()

    //Setting ViewControllers on TabBar Items

    TableView.tabBarItem = table

    CollectionView.tabBarItem = collection

    InsertRec.tabBarItem = insert

    let controllers = [TableView,CollectionView,InsertRec]

    tabbar.viewControllers = controllers

    tabbar.viewControllers = controllers.map{UINavigationController(rootViewController: $0)}

    //Setting Title

    tabbar.navigationItem.title = "Person Record"



    return tabbar



}

answered Jan 3 at 9:56

Muhammad Hashim

1

This method is without storyboard

– Muhammad Hashim
Jan 3 at 9:58

1

if you want that method then delete storyboard also from info.plist

– Muhammad Hashim
Jan 3 at 9:59

add a comment |

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {



        //// this code changes the initial point of aap///////



        window = UIWindow(frame: UIScreen.main.bounds)

        let nav = UINavigationController()

        let myview = SettingTabbar()

        nav.viewControllers = [myview]

        window?.rootViewController = nav

        window?.makeKeyAndVisible()



        return true

    }

And Function SettingTabbar is:

func SettingTabbar()->(UITabBarController)

{

    //Setting TabBar

    let tabbar = UITabBarController()



    //Designing Tabbar Item Images

    let table = UITabBarItem(title: nil, image:UIImage(named: "002-list") , tag: 0)

    let collection = UITabBarItem(title: nil, image: UIImage(named: "001-collect"), tag: 1)

    let insert = UITabBarItem(title: nil, image: UIImage(named: "add"), tag: 2)



    //Getting TabBar ViewControllers

    let TableView = newViewController()

    let CollectionView = PersonCollectionViewController()

    let InsertRec = nextViewController()

    //Setting ViewControllers on TabBar Items

    TableView.tabBarItem = table

    CollectionView.tabBarItem = collection

    InsertRec.tabBarItem = insert

    let controllers = [TableView,CollectionView,InsertRec]

    tabbar.viewControllers = controllers

    tabbar.viewControllers = controllers.map{UINavigationController(rootViewController: $0)}

    //Setting Title

    tabbar.navigationItem.title = "Person Record"



    return tabbar



}

answered Jan 3 at 9:56

Muhammad Hashim

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {



        //// this code changes the initial point of aap///////



        window = UIWindow(frame: UIScreen.main.bounds)

        let nav = UINavigationController()

        let myview = SettingTabbar()

        nav.viewControllers = [myview]

        window?.rootViewController = nav

        window?.makeKeyAndVisible()



        return true

    }

And Function SettingTabbar is:

func SettingTabbar()->(UITabBarController)

{

    //Setting TabBar

    let tabbar = UITabBarController()



    //Designing Tabbar Item Images

    let table = UITabBarItem(title: nil, image:UIImage(named: "002-list") , tag: 0)

    let collection = UITabBarItem(title: nil, image: UIImage(named: "001-collect"), tag: 1)

    let insert = UITabBarItem(title: nil, image: UIImage(named: "add"), tag: 2)



    //Getting TabBar ViewControllers

    let TableView = newViewController()

    let CollectionView = PersonCollectionViewController()

    let InsertRec = nextViewController()

    //Setting ViewControllers on TabBar Items

    TableView.tabBarItem = table

    CollectionView.tabBarItem = collection

    InsertRec.tabBarItem = insert

    let controllers = [TableView,CollectionView,InsertRec]

    tabbar.viewControllers = controllers

    tabbar.viewControllers = controllers.map{UINavigationController(rootViewController: $0)}

    //Setting Title

    tabbar.navigationItem.title = "Person Record"



    return tabbar



}

answered Jan 3 at 9:56

Muhammad Hashim

answered Jan 3 at 9:56

Muhammad Hashim

answered Jan 3 at 9:56

Muhammad Hashim

answered Jan 3 at 9:56

Muhammad Hashim

1

This method is without storyboard

– Muhammad Hashim
Jan 3 at 9:58

1

if you want that method then delete storyboard also from info.plist

– Muhammad Hashim
Jan 3 at 9:59

add a comment |

1

This method is without storyboard

– Muhammad Hashim
Jan 3 at 9:58

1

if you want that method then delete storyboard also from info.plist

– Muhammad Hashim
Jan 3 at 9:59

This method is without storyboard

– Muhammad Hashim
Jan 3 at 9:58

if you want that method then delete storyboard also from info.plist

– Muhammad Hashim
Jan 3 at 9:59

add a comment |

The problem is this line:

window?.rootViewController = HomeTabBarController()

That is the wrong HomeTabBarController. It is a totally new HomeTabBarController with no children. You need to fetch the HomeTabBarController that’s in the storyboard.

answered Jan 3 at 1:41

matt

334k46545743

But how can I do that. If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

The problem is this line:

window?.rootViewController = HomeTabBarController()

That is the wrong HomeTabBarController. It is a totally new HomeTabBarController with no children. You need to fetch the HomeTabBarController that’s in the storyboard.

answered Jan 3 at 1:41

matt

334k46545743

But how can I do that. If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

The problem is this line:

window?.rootViewController = HomeTabBarController()

That is the wrong HomeTabBarController. It is a totally new HomeTabBarController with no children. You need to fetch the HomeTabBarController that’s in the storyboard.

answered Jan 3 at 1:41

matt

334k46545743

The problem is this line:

window?.rootViewController = HomeTabBarController()

That is the wrong HomeTabBarController. It is a totally new HomeTabBarController with no children. You need to fetch the HomeTabBarController that’s in the storyboard.

answered Jan 3 at 1:41

matt

334k46545743

answered Jan 3 at 1:41

matt

334k46545743

answered Jan 3 at 1:41

matt

334k46545743

answered Jan 3 at 1:41

matt

334k46545743

But how can I do that. If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

But how can I do that. If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

But how can I do that. If I set it like this window?.rootViewController = HomeTabBarController I get this error: Cannot assign value of type 'HomeTabBarController.Type' to type 'UIViewController?'

– Rexhin Hoxha
Jan 3 at 1:44

add a comment |

I finally found the solution: As @matt suggested I had to fetch the HomeTabBarController that’s in the storyboard.

    window = UIWindow(frame: UIScreen.main.bounds)





   let storyboard = UIStoryboard.init(name: "Main", bundle: nil)



   // controller identifier sets up in storyboard utilities

   // panel (on the right), it called Storyboard ID

   let viewController = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController



   self.window?.rootViewController = viewController

   self.window?.makeKeyAndVisible()



   window?.makeKeyAndVisible()

   window?.rootViewController = viewController

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

1

You could also just set the HomeTabBarController to be the initial view controller in the story board, and all the above code would be unnecessary.

– Claus Jørgensen
Jan 3 at 2:04

How can I do that? I mean I still need to show the login form if the user session has clicked log out

– Rexhin Hoxha
Jan 3 at 2:05

1

Read up about adding child view controllers (it's a thing, but commonly forgotten by many iOS devs), or just general navigation flow. It's all about how you structure your project, and making a custom window and setting the root VC manually is just going to cause you headaches later on.

– Claus Jørgensen
Jan 3 at 2:07

Do you mean performSegue() by 'adding child view controllers'. Because right now what I have found is one using rootViewController and the other is performSegue(). Could you give me some more information please on which is the best way to show or to hide the login screen depending if the session is active or not.

– Rexhin Hoxha
Jan 3 at 2:15

add a comment |

I finally found the solution: As @matt suggested I had to fetch the HomeTabBarController that’s in the storyboard.

    window = UIWindow(frame: UIScreen.main.bounds)





   let storyboard = UIStoryboard.init(name: "Main", bundle: nil)



   // controller identifier sets up in storyboard utilities

   // panel (on the right), it called Storyboard ID

   let viewController = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController



   self.window?.rootViewController = viewController

   self.window?.makeKeyAndVisible()



   window?.makeKeyAndVisible()

   window?.rootViewController = viewController

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

1

You could also just set the HomeTabBarController to be the initial view controller in the story board, and all the above code would be unnecessary.

– Claus Jørgensen
Jan 3 at 2:04

How can I do that? I mean I still need to show the login form if the user session has clicked log out

– Rexhin Hoxha
Jan 3 at 2:05

1

Read up about adding child view controllers (it's a thing, but commonly forgotten by many iOS devs), or just general navigation flow. It's all about how you structure your project, and making a custom window and setting the root VC manually is just going to cause you headaches later on.

– Claus Jørgensen
Jan 3 at 2:07

Do you mean performSegue() by 'adding child view controllers'. Because right now what I have found is one using rootViewController and the other is performSegue(). Could you give me some more information please on which is the best way to show or to hide the login screen depending if the session is active or not.

– Rexhin Hoxha
Jan 3 at 2:15

add a comment |

I finally found the solution: As @matt suggested I had to fetch the HomeTabBarController that’s in the storyboard.

    window = UIWindow(frame: UIScreen.main.bounds)





   let storyboard = UIStoryboard.init(name: "Main", bundle: nil)



   // controller identifier sets up in storyboard utilities

   // panel (on the right), it called Storyboard ID

   let viewController = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController



   self.window?.rootViewController = viewController

   self.window?.makeKeyAndVisible()



   window?.makeKeyAndVisible()

   window?.rootViewController = viewController

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

I finally found the solution: As @matt suggested I had to fetch the HomeTabBarController that’s in the storyboard.

    window = UIWindow(frame: UIScreen.main.bounds)





   let storyboard = UIStoryboard.init(name: "Main", bundle: nil)



   // controller identifier sets up in storyboard utilities

   // panel (on the right), it called Storyboard ID

   let viewController = storyboard.instantiateViewController(withIdentifier: "HomeTabBarController") as! HomeTabBarController



   self.window?.rootViewController = viewController

   self.window?.makeKeyAndVisible()



   window?.makeKeyAndVisible()

   window?.rootViewController = viewController

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

answered Jan 3 at 1:56

Rexhin Hoxha

89121947

1

You could also just set the HomeTabBarController to be the initial view controller in the story board, and all the above code would be unnecessary.

– Claus Jørgensen
Jan 3 at 2:04

How can I do that? I mean I still need to show the login form if the user session has clicked log out

– Rexhin Hoxha
Jan 3 at 2:05

1

Read up about adding child view controllers (it's a thing, but commonly forgotten by many iOS devs), or just general navigation flow. It's all about how you structure your project, and making a custom window and setting the root VC manually is just going to cause you headaches later on.

– Claus Jørgensen
Jan 3 at 2:07

Do you mean performSegue() by 'adding child view controllers'. Because right now what I have found is one using rootViewController and the other is performSegue(). Could you give me some more information please on which is the best way to show or to hide the login screen depending if the session is active or not.

– Rexhin Hoxha
Jan 3 at 2:15

add a comment |

1

You could also just set the HomeTabBarController to be the initial view controller in the story board, and all the above code would be unnecessary.

– Claus Jørgensen
Jan 3 at 2:04

How can I do that? I mean I still need to show the login form if the user session has clicked log out

– Rexhin Hoxha
Jan 3 at 2:05

1

Read up about adding child view controllers (it's a thing, but commonly forgotten by many iOS devs), or just general navigation flow. It's all about how you structure your project, and making a custom window and setting the root VC manually is just going to cause you headaches later on.

– Claus Jørgensen
Jan 3 at 2:07

Do you mean performSegue() by 'adding child view controllers'. Because right now what I have found is one using rootViewController and the other is performSegue(). Could you give me some more information please on which is the best way to show or to hide the login screen depending if the session is active or not.

– Rexhin Hoxha
Jan 3 at 2:15

You could also just set the HomeTabBarController to be the initial view controller in the story board, and all the above code would be unnecessary.

– Claus Jørgensen
Jan 3 at 2:04

How can I do that? I mean I still need to show the login form if the user session has clicked log out

– Rexhin Hoxha
Jan 3 at 2:05

Read up about adding child view controllers (it's a thing, but commonly forgotten by many iOS devs), or just general navigation flow. It's all about how you structure your project, and making a custom window and setting the root VC manually is just going to cause you headaches later on.

– Claus Jørgensen
Jan 3 at 2:07

Do you mean performSegue() by 'adding child view controllers'. Because right now what I have found is one using rootViewController and the other is performSegue(). Could you give me some more information please on which is the best way to show or to hide the login screen depending if the session is active or not.

– Rexhin Hoxha
Jan 3 at 2:15

add a comment |

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