In view based mobile application(iOS/Android) rootview provides interface between window and otherview.
Questions tagged [rootview]
148 questions
3
votes
1 answer
How to change RootViewController (in AppDelegate) from within CustomViewController?
Good day,
My app has authorization form (SigninController) which is loaded in AppDelegate, and after signing in (checking is in SigninController.m) TabBarController should appear (as main view of application).
How can I change controller from Signin…
LIAL
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3
votes
1 answer
Casting UIWindow.rootView to UIHostingController which has environment variables
Casting UIWindow.rootView to a hosting controller like:
window?.rootViewController as? UIHostingController
works fine, unless it has environmentObjects.
As my MainTabView has been initialized with .environmentObject, I cannot cast it…
Rashid
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3
votes
1 answer
iOS: Presenting new views whose interface is loaded from a xib file and contain a Navigation Controller
There's something fundamental that I'm not understanding about presenting views that get their interface from a XIB file.
My app's root view controller is a UITabBarController. One of the tab bar options presents a UINavigationController-controlled…
maxedison
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3
votes
3 answers
Pass Data using popToRootViewController
So I have a basic app, here is how it works. I have a root view controller called A and a table view controller called B. And when the user selects a row in B I pop back to the root view controller A.
And what I am trying to do is to pass the data…
user3662854
3
votes
1 answer
UIWindow's rootViewController considerations
I've been reading several posts dealing with switching the rootViewController of the window, and sometimes it is said that keeping a same rootViewController throughout the app's lifecycle is better than switching it, and other posts are related to…
AppsDev
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votes
2 answers
"window" undeclared (first use in this function) error in iOS tutorial
I am trying the Core Data Tutorial and I have copied the code as given in this Apple's tutorial on Core Data…
user709903
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votes
1 answer
Compose app - Is it possible to programatically get component tree information from RootView/DecorView?
Our SDK can't be inline with app's code, is there a way to retrieve UI tree info without app developer manually add code snippets to capture the "Component Tree" data without using the Layout Inspector tool?
changjieyang
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votes
2 answers
Is there anything wrong with switching views by setting the root view controller?
I was wondering if the following is an accepted way to switch views?
AppDelegate.m
- (IBAction) switchViews
{
if (self.window.rootViewController == self.viewController) {
self.window.rootViewController =…
Åke Gregertsen
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votes
2 answers
when exactly do Interface Builder items get instantiated?
Say I create a navigation based application from the template in XCode4, then there will be in the MainWindow.xib a Navigation Controller, which has as a child the RootViewController.
When exactly would then:
Instance of RootViewController be…
Greg
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2 answers
iOS Programming: Understand UINavigationController and the RootViewController
I'm reading Apple doc but I don't understand what a root controller is. The doc says that this is the controller at the bottom of the stack. Maybe, is this the controller that I've push the first time? Anyone can explain this concept?
From Apple doc…
Lorenzo B
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1 answer
Monotouch: UINavigationController, set the RootViewController
How is it possible to map the initWithRootViewController objective-c method in Monotouch?
From Miguel de Icaza Rosetta site, I've found the following translation but I don't know how to apply it:
Selector: initWithRootViewController:
Method: IntPtr…
Lorenzo B
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votes
0 answers
How to get value from a TextView which is in a ListView without any custom adapters?
I have a ListView with a TextView (which has an integer as string) and a Seekbar.
I need to extract the integer value and set it to the Seekbar.
Unfortunately, when I do this, I get a NullPointer exception because the content that populates the…
Zac
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1 answer
iOS - Getting black view upon changing root view controller
I am trying to change the root view controller upon the button taps from ViewController1 to ViewController2 and vice versa. Problem is I am getting black screen after I set my second view controller as root view controller. I am enclosing my…
iOSFresher
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votes
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Swift Toast message is not display "UIApplication.sharedApplication().windows"
i have add one Toast message first time is working Good , but When i use This code in appdelegate file toast message is not working
Here is my code i am using in app delegate This Code "instantiateViewControllerWithIdentifier" for direct go to this…
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votes
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android rootview malfunctionning
I'm creating a fragment that contains two listviews ,the two in a linearlayout that has as orientation:horizontal;
the second listview is in a horizontalscrollview;
the problem is in the second listview;
I should have in each row of the listview 6…
Hussein Salami
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