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• UITabBarController not showing all view controllers

  - by rounak

  My UITabBarcontroller has two view controllers -Favorites -Keypad I add these two controllers in an array in the order Favorites,Keypad,nil. When the app is launched only the Favorites tab appears in the tabbar, I have to click the second tab for the "Keypad" (Title of the viewController) text to appear on the tabbar. How do I make the tabbar have the title of both the view controllers at startup itself?

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• Weird landscape UITabBarController Application startup

  - by Stefano Verna

  Hi there. My application is quite simple, but I have some problems when it starts. I setted in the Info.plist to be landscaped, but it seems to ignore the order. In fact, when the app is loading the Simulator is landscaped, but then it returns in portrait mode. This is the hierarchy of the views and controllers: MainViewController (extends UITabBarController just to override shouldAutorotateToInterfaceOrientation:) Three extended UITableViewControllers as tabs (also those have the shouldAutorotateToInterfaceOrientation correctly setted up). If I kinda force the orientation of the device to Landscape with: [[UIDevice currentDevice] setOrientation: UIInterfaceOrientationLandscapeRight]; Then for an instant the Simulator flashes in portrait mode, and then it goes landscaped. The problem is that in this way, the auto-rotation animations gets started, which is something I cannot tollerate. I just want a fixed, landscaped application. Any clues? Am I missing something?

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• how to forward message from UITabBarController to another controller?

  - by RAGOpoR

  it cause from i insert UIViewController to subview of UITabBarController. once i want to set UIViewController shouldAutorotateToInterfaceOrientation and it not possible because it will call only in UITabBarController. how can i forward message from UITabBarController to call shouldAutorotateToInterfaceOrientation of each UIViewController instead of call UITabBarController only?

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• UISplitViewController in a TabBar ( UITabBarController )?

  - by Madhup

  Hi all, I am in kind of situation that I need to start with a tab based application and in that I need a split view for one or more tabs. But it seems that split view controller object can not be added to the tabbarController. (Although tabbar object can be added to the splitviewcontroller). The problem can be seen otherways: I have a full screen in the left part I have a table view when any row is selected in the table a popover should come out pointing that row. Now when any row in the popover is selected the rows in this popover comes to the left under the selected row (only this row would be visible) and another popover comes out from the selected row. (Breadcrumb navigation type) I think I am clear in what I explained. So guys any ideas or work arounds? Please let me know if I am not clear in my question. Thanks, Madhup

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• UITabBarController + autorotation

  - by ludo

  Hi, I created an application with a TabBarController using IB who have 4 TabBarItems and so display 4 differents ViewControllers. To allow a landscape orientation I must add this code in all of my ViewController: - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return (interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown ? NO : YES); } The problem is I don't want for example the secondViewController to autorotate, How can I do that? Because everytime I delete the code above in one of my ViewController, every ViewControllers not rotate anymore. Thanks

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• Limiting landscape views in UITabBarController containing UINavigationController

  - by Spider-Paddy

  I have a tab bar application that contains navigation views in 2 of its tabs. I would like 1 view in the 1 navigation controller to allow landscape view but because of the nav bar in tab bar limitation I now have to allow landscape views for every single view in my app to make the tilt messages get passed to my app which I don't want. I thought perhaps, on the views which shouldn't go to landscape, that there might be ways to either: prevent the view change e.g. calling setOrientation:UIDeviceOrientationPortrait whenever the device goes landscape or giving the illusion that the view doesn't change e.g. presenting a modal portrait view over the rotated view Anybody have any ideas or experience that they care to share? What is the best approach here? (I don't want to now have to design a landscape view for every view just to so that I can display a portrait & landscape view for 1 view)

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• UITabBarController detect tab clicks

  - by satyam

  I'm creating an app using tab bar controller. It has 2 tabs. In first tab, it will have a text field and a submit button. user will enter some value in text field and clicks submit. Now my problem: on click of submit button, some result "X" is computed depending on value entered in text field and it will open second tab. here result "X" has to be shown in label. without entering some value in text field, if user clicks on second tab, it must show an alert that "enter some value in text field" How can i achieve this. please help me.

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• How can refresh UIView in UITabBarController?

  - by Kazu

  Hi, I'm stack on refreshing view in TabBar. The UIView is read only first time I pressed the TabButton and does not "viewDidLoad" next time. I want to refresh UITableView every time I pressed the button. Thank you!

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• Best way to update badgeValue of UITabBarController from a UIView

  - by Rudiger

  Hi everyone, I have a tabBarController set up in the AppDelegate and have a few UIViewControllers with Nav Controllers. In one of the TabBar items, after I have pushed a few UIViews I want to update the badgeValue item of a different TabBar item. Whats the best way to do this? The only way I can really think is a NSNotification and a singleton storage for the value, but it seems a lot of work for something simple, that and I have no idea about NSNotifications. I had a wild guess at something like super.tabBarController.otherView.badgeValue = @"1" (as I set which tab is selected in a similar way) but I'm not surprised this doesn't work. Thanks

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• Where is the best place to run initialization code for a UITabBarController?

  - by bobobobo

  I have a UITabBarController in my application. I have to perform some customization to the NIB file using code the first time a view embedded in that UITabBarController gets loaded. When applicationDidFinishLaunching occurs, the UITabBarController's views apparently are not loaded -- if I try to modify the view controllers inside a tab bar that the tab bar is to load in applicationDidFinishLaunching, then those changes are ignored. I'm assuming this is because the tab bar didn't finish loading yet. So, I need a good place to put code that will run immediately after a tabbar is fully ready -- i.e. after it has loaded all the views from their respective nib files. I'm finding the only place I can do this is to track the first time viewDidAppear on each individual view controller. Note I can't use viewWillAppear because I need the value of tabBarController.selectedIndex to be accurate, and it is only actually updated after viewDidAppear gets fired, not when viewWillAppear gets fired.

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• Application with two UITabBarControls

  - by kovpas

  Hello, I want to create an app, whith the following structure: UITabBarController ..UINavigationController ....UITabBarController So, in other words, I want to load first UITabbarController as my main ViewController, that appears on application start, in its' first tab there's a UINavigationController with a table, which shows another UITabBarController by pressing on a table cell. I started Tab Based application, set first tab to UINavigationController, and its ViewController to my TableViewController. I also created second UITabBarController in Interface Builder. Created a separate class for this controller. Everything works fine at start - my first UITabBarController is shown perfectly, but when I'm trying to push my second UITabBarController, using my UINavigationController, it looks like nothing is loaded from a .xib file - there are just an empty TabBar and NavigationBar pushed. Seems, that something is wrong with an architecture, but I can't figure out the problem. Thanks in advance and I'm sorry for my poor English. Please let me know if something is not clear, I'll try to rephrase it :).

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• Is it possible to have a UITabBarController inside a UINavigationController?

  - by Andy

  Is it possible to have a UITabBarController inside a UINavigationController? Interface Builder seems to dislike the idea. Although I can create a View with a "Tab Bar" and add "Tab Bar Items", this feels like a hack. Thanks, Andy

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• UITabBarController is possible to select the tab via code?

  - by ronny

  is it UITabBarController possible to select the tab in code?like UINavigationController we can use popViewController pop back to rootViewController instead of press the back button, so how can this implement in tabbarcontroller?

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• How are people popping their UINavigationController stacks under a UITabBarController?

  - by RexOnRoids

  I have four UINavigationControllers assigned each to a tab in a UITabBarController. Each UINavigationController manages a UIViewController, which may itself branch out into other UIViewControllers below it hierarchally. My question is, in a case in which a user, under one tab, has navigated to a UIViewController that hierarchally BELOW the main UIViewController managed by the UINavigationController, and then the user pushes a different tab, and then goes back to the original tab, HOW can I make it so that the user is presented with the main UIViewController managed by the UINavigation controller? and not the page where he left off?

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• iPad: How Do I Limit the Number of Tabs in UITabBarController?

  - by Chris_K

  I'm converting an iPhone app to a universal app, which leaves me with a UITabBarController as the root view controller for a UISplitViewController. That is, the tab bar appears at the bottom of the left-hand view when the iPad is in landscape mode. On the iPhone, the system automatically limited the number of tabs shown in the tab bar to 5. But on the iPad simulator (which is all I have at the moment), my tab bar has 8 tabs, including the More tab. What gives? Thanks. Update: Since I had no luck finding an answer to this question, I gave up on using a tab bar interface in my iPad-flavored app. Instead, I added one more level to the navigation controller drill-down. That ends up working fine for this app.

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• TabBarController rotation problem with popViewControllerAnimated and selectedIndex

  - by rjobidon

  Hi! This is a very important auto rotate issue and easy to reproduce. My application has a UITabBarController. Each tab is a UINavigationController. Auto rotation is handled with normal calls to shouldAutorotateToInterfaceOrientation and didRotateFromInterfaceOrientation. The interface rotates normally until I call UIViewController.popViewControllerAnimated and change UITabBarController.selectedIndex. Steps to reproduce: Create a demo Tab Bar Application. Add the following code to the App Delegate .h file: #import <UIKit/UIKit.h> @interface TestRotation2AppDelegate : NSObject { UIWindow *window; UITabBarController *tabBarController; } @property (nonatomic, retain) IBOutlet UIWindow *window; @property (nonatomic, retain) IBOutlet UITabBarController *tabBarController; (void)doAction; @end // Redefine the interface to cach rotation messages @interface UITabBarController (TestRotation1AppDelegate) @end Add the following code to the App Delegate .m file: #import "TestRotation2AppDelegate.h" @implementation TestRotation2AppDelegate @synthesize window; @synthesize tabBarController; - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [window addSubview:tabBarController.view]; [window makeKeyAndVisible]; return YES; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return YES; } - (void)dealloc { [tabBarController release]; [window release]; [super dealloc]; } @end @implementation UITabBarController (TestRotation1AppDelegate) - (void)viewDidLoad { [super viewDidLoad]; // Add a third tab and push a view UIViewController *view1 = [[UIViewController alloc] init]; view1.title = @"Third"; UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:view1]; NSMutableArray *array = [[NSMutableArray alloc] init]; [array addObjectsFromArray:self.viewControllers]; [array addObject:nav]; self.viewControllers = array; // Push view2 inside the third tab UIViewController *view2 = [[UIViewController alloc] init]; [nav pushViewController:view2 animated:YES]; // Create a button to pop view2 UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; button.frame = CGRectMake(50, 50, 220, 38); [button setTitle:@"Pop this view" forState:UIControlStateNormal]; [button addTarget:self action:@selector(doAction) forControlEvents:UIControlEventTouchUpInside]; [view2.view addSubview:button]; } - (void) doAction { // ROTATION PROBLEM BEGINS HERE // Remove one line of code and the problem doesn't occur. [self.selectedViewController popViewControllerAnimated:YES]; self.selectedIndex = 0; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { return YES; } @end The interface auto rotates normally until you tap the button on tab #3. Your help will be geatly appreciated!

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• How can I build an app with multiple types of controllers?

  - by Sheehan Alam

  How can I accomplish the following: When my app loads a UIView will show 4 buttons Clicking on a button will load a UITabBarController (not a UIView with a UITabBar) that can display multiple views. This seems challenging to me, because in order for me to use the UITabBarController I need to add this to the window's subview in my appDelegate. By doing so, my app automatically will load with the UITabbarController in the root view.

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• passing info from facebook to UITabBarController

  - by EquinoX

  When my app first start, it shows up a main page showing to login to facebook and then it goes to the UITabBarController. The code that I have in my app delegate is the following: //this is the .h @interface NMeAppDelegate : NSObject <UIApplicationDelegate> { UIWindow *window; MainViewController *controller; UITabBarController *tabBar; } @property (nonatomic, retain) IBOutlet UITabBarController *tabBar; @property (nonatomic, retain) MainViewController *controller; @property (nonatomic, retain) IBOutlet UIWindow *window; @end //this is the .m of the app delegate #import "NMeAppDelegate.h" @implementation NMeAppDelegate @synthesize window; @synthesize tabBar; @synthesize controller; #pragma mark - #pragma mark Application lifecycle - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after application launch. controller = [[MainViewController alloc] init]; [window addSubview:tabBar.view]; [window addSubview:controller.view]; [window makeKeyAndVisible]; return YES; } Inside of MainViewController, I actually have a Facebook * facebook object, which basically has all of the information that I need. Every information that I need for this apps is queried in the MainViewController. The problem is that after getting this info and now I am in the UITabViewController... how do I get those information that I already queried facebook for? I have a class called UserInfo as well, which basically has everything essential I need. I need to have the info from UserInfo so that the other ViewController in the UITabBarController have access to it.... I hope my question makes sense

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• iPhone - Dismiss modal view by a UITabBarController

  - by ncohen

  Hi everyone, I've got into a very strange problem. I created my own UITabBarController to customize it and it works pretty well... except for the modal views. When I dismiss the modal view (present/dismiss from the UITabBarController) with an animation, it waits until the animation did finished and goes to the first controller of the tab bar! Why does the controller change? and how can I fix it? Thanks PS: My UITabBarController view is on the main window and has a UITabBar on it. The controllers (which are managed by the tab bar) are on the main window over the tab bar controller view with a shorter height. When I present the modal view, I bring the tab bar controller view to front.

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• Orientation in UITabBarController + UIViewController

  - by Muhammad Hanifa S

  Anyone please answer for my requirement Im using my application in this order, first page = UIViewController, secondpage = UITabBarController with 4 tabs, I need landscape on the orientation on the second tabpage(UIViewController) ? not working.. Note : When using UITabBarController its working perfect but when I add the UIViewController for my first page, the orientation not working...? anyone who knows the solution plz answer

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• How i calling UITableViewController in UITabBarController screen using Navigation bar on button clic

  - by Rajendra Bhole

  Hi, My i have to develop simple window based iphone application. In my first screen I design the UITabBarController with four TabBarButton.On first Tab screen contains three buttons. When i click on of the button, the screen should navigate on simple tableView screen.But tableView screen the TabBarController should have be visible. Means simply first replacing with table view and move back to again previous one(The UITabBarController should be visible on all srceen).

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• save and restore state of a tab bar controller

  - by phunehehe

  I have an application that has a UITabBarController with two tabs, each having its own navigation controller. Now I want to store the state of the application when the user closes it, so that when the user relauches the application will show the same place as the last time before it was closed. So, in applicationWillTerminate: I have [NSKeyedArchiver archiveRootObject:tabBarController toFile:@"lastVisitedTab"]; Then, in applicationDidFinishLaunching: I have UITabBarController *last= (UITabBarController *)[NSKeyedUnarchiver unarchiveObjectWithFile:@"lastVisitedTab"]; if (last) tabBarController = [last retain]; I also have an extension to UIImage to make it compliant to NSCoding. However, this doesn't work, as the state is not preserved. The first tab gets selected all the time, and no navigation is preserved either. Can someone tell me what's wrong, or show me how to do it correctly?

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• A little bit more complicated multiview App for Iphone

  - by Thomas Losert

  Hi, i'm new to iphone development. I spend several days by looking for how write muliview app for an Iphone OS. I found how to switch the diferent views without navigation hierarchy (in this article). It's great, but i want more complicated function. For example, i have three diferent views (view 1 - 3) and i can switch between them with technique from link 1. It works fine. My question is: How can i put UITabBarController on view 2, that shows own subviews (tabView 1 - 3) and how put UINavigationController on view 3, that shows own subviews (navView 1 - 2)? The reslut should look like that, one main view (view 1) with two buttons (for example), which switch me to "window" with UiTabBarController or UINavigationController. I found only tutorials, where UITabBarController was a first controller class, that shows directly from AppDelegate (something like default Xcode predefined scenarios). Thanks for your helpfull answer, or i will be crazy soon:).

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• Navigation Items in Navigation Bar are not appearing?

  - by Sheehan Alam

  I am displaying a UITableViewController inside of a UITabBarController that is being presented modally: -(IBAction)arButtonClicked:(id)sender{ ARViewController* arViewController = [[[ARViewController alloc] initWithNibName:@"ARViewController" bundle:nil]autorelease]; LeaderBoardTableViewController* lbViewController = [[[LeaderBoardTableViewController alloc] initWithNibName:@"LeaderBoardTableViewController" bundle:nil]autorelease]; lbViewController.title = @"Leaderboard"; arTabBarController = [[UITabBarController alloc] initWithNibName:nil bundle:nil]; arTabBarController.viewControllers = [NSArray arrayWithObjects:arViewController, lbViewController, nil]; arTabBarController.selectedViewController = arViewController; [self presentModalViewController:arTabBarController animated:YES]; } In my viewDidLoad for arViewController method I am setting the navigation items: - (void)viewDidLoad { [super viewDidLoad]; // Uncomment the following line to preserve selection between presentations. self.clearsSelectionOnViewWillAppear = NO; self.title = @"AR"; leaderBoardButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemOrganize target:self action:@selector(leaderBoardButtonClicked:)]; self.navigationItem.rightBarButtonItem = leaderBoardButton; } My navigation bar doesn't appear when it is inside of the UITabBarController, but when I push the view itself I am able to see it. What am I missing?

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• How to get cell text based on indexPath?

  - by Sheehan Alam

  I have a UITabBarController with more than 5 UITabBarItems so the moreNavigationController is available. In my UITabBarController Delegate I do the following: - (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController { //do some stuff //... UITableView *moreView = (UITableView *)self.tabBarController.moreNavigationController.topViewController.view; moreView.delegate = self; } I want to implement a UITableViewDelegate so I can capture the row that was selected, set a custom view property and then push the view controller: - (void)tableView:(UITableView *)tblView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { //how can I get the text of the cell here? } I need to get the text of a cell when the user taps on a row. How can I accomplish this?

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