uitabbarcontroller – Page 5

How to hide uitabbarcontroller

February 12, 2023 by Tarik

I am pasting this from my working code… you can call these methods to hide and show the tabbarcontroller…. just pass tabbarcontroller instance to these functions.. // Method call [self hideTabBar:self.tabBarController]; // Method implementations – (void)hideTabBar:(UITabBarController *) tabbarcontroller { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.5]; for(UIView *view in tabbarcontroller.view.subviews) { if([view isKindOfClass:[UITabBar class]]) { [view setFrame:CGRectMake(view.frame.origin.x, … Read more

Tab bar controller inside a navigation controller, or sharing a navigation root view

February 7, 2023 by Tarik

The two previous answers got it right – I don’t use UITabBarController in Tweetie. It’s pretty easy to write a custom XXTabBarController (plain subclass of UIViewController) that is happy to get pushed onto a nav controller stack, but still lives by the “view controller” philosophy. Each “tab” on the account-specific view (Tweets/Replies/Messages) is its own … Read more

Changing Tint / Background color of UITabBar

January 26, 2023 by Tarik

iOS 5 has added some new appearance methods for customising the look of most UI elements. You can target every instance of a UITabBar in your app by using the appearance proxy. For iOS 5 + 6: [[UITabBar appearance] setTintColor:[UIColor redColor]]; For iOS 7 and above, please use the following: [[UITabBar appearance] setBarTintColor:[UIColor redColor]]; Using … Read more

Determine if UIView is visible to the user?

January 20, 2023 by Tarik

For anyone else that ends up here: To determine if a UIView is onscreen somewhere, rather than checking superview != nil, it is better to check if window != nil. In the former case, it is possible that the view has a superview but that the superview is not on screen: if (view.window != nil) … Read more

Programmatically switching between tabs within Swift

January 16, 2023 by Tarik

If your window rootViewController is UITabbarController(which is in most cases) then you can access tabbar in didFinishLaunchingWithOptions in the AppDelegate file. func application(application: UIApplication!, didFinishLaunchingWithOptions launchOptions: NSDictionary!) -> Bool { // Override point for customization after application launch. if let tabBarController = self.window!.rootViewController as? UITabBarController { tabBarController.selectedIndex = 1 } return true } This will … Read more

What size should TabBar images be?

January 6, 2023 by Tarik

According to the Apple Human Interface Guidelines: @1x : about 25 x 25 (max: 48 x 32) @2x : about 50 x 50 (max: 96 x 64) @3x : about 75 x 75 (max: 144 x 96)

iPhone: How to switch tabs with an animation?

December 30, 2022 by Tarik

Update 04/2016: Justed wanted to update this to say thank you to everyone for all the votes. Please also note that this was originally written way back when … before ARC, before constraints, before … a lot of stuff! So please take this into account when deciding whether to use these techniques. There may be … Read more

how to change uiviewcontroller title independent of tabbar item title

December 22, 2022 by Tarik

It sounds like you want the title in the navigation bar to change but not the one in the tabbar. This should do that. [self.navigationItem setTitle:@”my title”]; Swift: self.navigationItem.title = “My Title”

Unbalanced calls to begin/end appearance transitions for

December 15, 2022 by Tarik

Without seeing more of the surrounding code I can’t give a definite answer, but I have two theories. You’re not using UIViewController‘s designated initializer initWithNibName:bundle:. Try using it instead of just init. Also, self may be one of the tab bar controller’s view controllers. Always present view controllers from the topmost view controller, which means … Read more

Switching to a TabBar tab view programmatically?

October 26, 2022 by Tarik

Try this code in Swift or Objective-C Swift self.tabBarController.selectedIndex = 1 Objective-C [self.tabBarController setSelectedIndex:1];