How to get appdelegate objective c stack overflow. One app can have multiple views.

How to get appdelegate objective c stack overflow @property (nonatomic)BOOL myBool; 2) in AppDelegate. We May 24, 2018 · how have you added the bridging header? Have you generated it via creating a new Obj-C file in your project? You should check your build settings for a param named "Objective-C bridging header" and see if points to your bridging header file – Nov 17, 2012 · You can launch a new viewController from root like this in Objective-C. Nov 29, 2013 · You can see a better example of this delegation in a utility project template from Xcode (I just keyed this in. h> @interface AppDelegate : UIResponder <UIApplicationDelegate> { } @property (nonatomic, strong) UIWindow *window; @property (nonatomic, strong) ViewController *viewController; //For Xib @property (nonatomic, strong) NSArray *arrayObjects; @end Jul 13, 2011 · Good day, My app has authorization form (SigninController) which is loaded in AppDelegate, and after signing in (checking is in SigninController. I have my API key specified in the AppDelegate as follows: - (BOOL) Jun 3, 2015 · Unknown type name 'AppDelegate' This occurs because of circular dependency: ChathistryViewController. MyAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate]; UIView *topView = appDelegate. delegate Just cast it as your custom class to access specific methods: (AppDelegate*)[UIApplication sharedApplication]. ViewController saveData]; } But Xcode doesn't recognize the "ViewController" neither "saveData". Sep 9, 2021 · See this link for a description of how you declare that an Objective-C class conforms to a protocol. I need to call from Swift class existing in the same project. selectedCells; This way, whenever you make changes to selectedCells it will keep it in the array you send there since selectedCells is a refference to an object which is created in your AppDelegate . From Core Data Snippets. m and including @class AppDelegate in . TabBarContoller is the rootviewcontoller. rootViewController Jun 3, 2014 · I can get the value into the AppDelegate but I can't seem to access it from the ViewController. return yourAppDelegate; Then in the Swift file, you can now create the object and reference any methods. To learn more, see our tips on writing great Aug 20, 2014 · Thus you are asking the AppDelegate (what you get from the singleton returned from [[UIApplication sharedApplication] delegate]) for its implementation and there is nothing there. e. m. To learn more, see our tips on writing great Sep 30, 2015 · You can get at your AppDelegate from anywhere by using the UIApplication's singleton method: [UIApplication sharedApplication]. Thanks! My storyboard flow: Jan 25, 2014 · And I want to use my void "Save Data" in my AppDelegate. Nov 13, 2014 · To avoid cyclical references, don’t import Swift into an Objective-C header file. @available(iOS 4. Make an attacher method in yourSalesMate3ViewController and call that from the app delegate. To learn more, see our tips on writing great May 9, 2014 · There are various issues with your code. Jan 21, 2015 · Rename file AppDelegate. delegate. mm not enough, because IDE still print strange errors like: Unknown type name class; Did you mean Class? Expected ; after top level declared; For fix that need a rename main. view; Aug 11, 2015 · You can create your own class that implements the UIApplicationDelegate protocol. viewController. m - (void)applicationWillEnterForeground:( Oct 22, 2021 · I'm not familiar with Objective-C and need help for present popover view controller in appDelegate when user tap the push notification bubble. You should rename the file to . m file to main. xcodeproj to find AppDelegate's class name (i. To learn more, see our tips on writing great Nov 11, 2012 · How can I run a method from AppDelegate after the user drops the file in the interface? I have these files: AppDelegate. The function definition is in Objective-C AppDelegate. I have a library written in Objective C, published as a Cocoapod. Mar 22, 2016 · I'm working with PushNotification on iOS app. Jan 18, 2010 · AppDelegate is nothing more than a common NSObject class with needed connections in MainMenu. h . Part of the app involves sharing an image via NSSharingService that is currently displayed in the WebView. presentViewController(importantAlert, animated Jul 27, 2011 · While you can do that, you then need to tell Xcode that your . To learn more, see our tips on writing great Apr 21, 2013 · This code from my AppDelegate from my app, which not use storyBoard, and this code switch view normaly - -(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { Apr 8, 2023 · I'm trying to follow the steps Setting Up a Core Data Stack documentation for setting up Core Data using Objective-C but it appears to only show Swift implementation. Nov 15, 2011 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. It looks like the value was objcpp. May 26, 2011 · To complete JonasG's answer (who left out tab bar controllers while traversing), here is my version of returning the currently visible view controller Aug 29, 2013 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I don't know if I have to #import something in my AppDelegate, please help. I created a blank xcode project to get all the necessary code and implemented it via cgo into my app. m file. To learn more, see our tips on writing great Dec 5, 2023 · I threw in a hack to console. First, that you are trying to access an ivar on a class, and second that it is a class instead of an instance. You can resolve this by importing AppDelegate. m file: UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); UIApplicationMain kicks off the Cocoa Touch run loop and app infrastructure which creates a UIApplication object. The idea here is that you get access to the AppDelegate that AIR created and trick it into accepting your implementation of one or more of its methods. ) Looking at the readme for the framework you are using, it says: Make the AppDelegate class implement TripListener protocol. Apr 29, 2019 · I need to call my AppDelegate function of Objective-C from the Swift class of the same project. It will automatically generate AppDelegate. One thing I don't really understand is the role of the AppDelegate and how it connects to main. portrait /// lock orientation and force to rotate device func lock(for orientation: UIInterfaceOrientationMask, rotateTo rotateOrientation: UIInterfaceOrientation Mar 14, 2018 · Key-Value Observation is originally an Objective-C technique that is "somewhat revived" by Swift 4, this technique allows you to observe changes on a property (called a Key in Objective-C) of any object. This is working as expected, but when I Unit Test the code that uses this, this Aug 19, 2013 · Ok, I'm totally new to obj-c + cocoa, so this is probably obvious, but here goes: I've been moving from command line apps to cocoa apps in learning how to work with objective-c in Xcode. Here's the code I am using: From App 1 (gets called on button touch): Jun 22, 2011 · There’s a main nib file that bootstraps your application. view]; How can i get an variable from the TestViewController: Jul 6, 2011 · Indeed, in your viewController you are allocing a new instance of dvc, which means anything done in one, won't carry over in the other. m file in root folder of the project. This protocol contains 6 methods to implement: Aug 17, 2012 · Now, ObjC (and C) is quite permissive, so you can force an object to be any type you want, but then you deserve the crash you get. Asking for help, clarification, or responding to other answers. put this statements in there (in the bolierplate code that Xcode generates for you, you should already have a call to makeKeyAndVisible, so just complement it): Apr 29, 2017 · To force only one controller to be at landscape orientation. Note: We need this because we have a project that is required to be done fast and there is no time to explore swift. view; If your app has a navigation controller property in the app delegate you can do something like this. m to . h imports AppDelegate. I can't imagine having 2 version of appDelegate in one app, how should I do it? May 16, 2019 · For push view controller on navigation controller from root if exists. h" #define APPDELEGATE (AppDelegate *)[[UIApplication sharedApplication] delegate] Then when I use it in any class I just May 14, 2009 · I see below that you solved it. You can get more information at these resources and also by searching Google and SO for iOS delegation : Concepts in Objective C (Delegates and Data Sources) Cocoa Core Competencies May 3, 2012 · I would like the view controller to be able to access dog in the app delegate. plist Step 4: With the new addition of SceneDelegate in Xcode11 I added this to the -(void)scene method after all the comments: Jun 10, 2017 · You can't have all the callback, Following is the list of UIApplication notifications you can register for. m file where you use [[[UIApplication sharedApplication] delegate] specifyStartLevel]; I like to import it with a header that gives me a shortcut. Here is code (whis is working in HomeViewController): AppDelegate. It seemed so close to the objc value that all I did was change the line. m Feb 4, 2012 · Your two view controllers may refer to different AppDelegate code. I have 4 tabs on TabBarController and each of them are nav controllers. #import <UIKit/UIKit. To learn more, see our tips on writing great Aug 23, 2015 · I have started Objective C a few hours ago, apologies if my question is already answered, I could not find anything similar. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. m and MyViewController2. For example, in AppDelegate. h " in . Jul 14, 2016 · It is possible to get the NSArray from AppDelegate to other classes. but only one AppDelegate. In the case I am giving you, you are getting an instance of a class which does implement the method you are asking of it, so it works. Add @class AppDelegate in . textToBeSaved; 4) When you set the textToBeSaved depends on your UI, but whenever you know the text is ready (say on textFieldShouldReturn, or shouldEndEditing), you can hand the string to AppDelegate: Jan 29, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. m that starts with @interface AppDelegate ()), or the @interface block in AppDelegate. Try modifying the Objective-C header for `AppDelegate` as: @interface AppDelegate : UIResponder <UIApplicationDelegate> (Just removing `,XXXX`) and the extension in Swift: extension AppDelegate: XXXX {(Moving the conformance declaration for `XXXX' the the extension. To learn more, see our tips on writing great Jun 28, 2016 · We have an Objective C Project which is about to get some new features. I would like the app delegate to be able to access mouse in the view controller. m file (unfortunately it does not go into ViewDidLoad or any of the View lifecycle methods). To learn more, see our tips on writing great Mar 4, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. My guess is that you didn't import the AppDelegate. How do I dismiss the keyboard from applicationDidEnterBackground in the AppDelegate. I would like to show a UIalertcontroller when the app receive a notification. The compiler will do that work for you. 3- Here is the problem: To reference the appdelegate in my Swift code I need to #import "AppDelegate. rootViewController; [presenter presentViewController:yourViewController animated:YES completion:nil]; Don't forget to add this: #import "AppDelegate. The main view controller I have is of class TodoListTableViewController , which is embedded in a navigation controller like so: Apr 3, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Your AppDelegate class should be creating an instance of your main View Controller, which loads your main . h to any other UIViewController. UIView *topView = appDelegate. I can't imagine having 2 version of appDelegate in one app, how should I do it? Aug 1, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. m file in parent dir of selected . ) and then, see what you get. m: May 12, 2014 · I'm probably not explaining this logically, as I'm new to Objective-C, but here I go I am writing an application in Objective-C that interacts with a WebView. plist file under the NSMainNibFile key and should contain an object that corresponds to your application delegate class (setting the Class attribute in Interface Builder). Now, when blarg is called, the delegate is notified to do some work. So far we have it all working with Swift and Objective C side by side and most of the things are quite pleasant to implement. language) to see what the value actually was as to why this condition was false. dispatch_async(dispatch_get_main_queue(), { let importantAlert: UIAlertController = UIAlertController(title: "Action Sheet", message: "Hello I was presented from appdelegate ;)", preferredStyle: . rootViewController?. Apr 21, 2013 · This code from my AppDelegate from my app, which not use storyBoard, and this code switch view normaly - -(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { Dec 19, 2013 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jan 18, 2013 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Aug 30, 2012 · To access a Bool varible declare in AppDelegate. class MyAppDelegate: NSObject, UIApplicationDelegate { func application(_ app: UIApplication, open url: URL, options: [UIApplication. mm file is set to Objective-C++ Source (Click to file -> Inspector Jul 21, 2021 · You can create a custom class that conforms to UIApplicationDelegate, and then use the @UIApplicationDelegateAdaptor to tell your SwiftUI app about it:. 0, *) public static let AppDelegate* sharedDelegate = [AppDelegate appDelegate]; Some notes: if you use AppDelegate for shared data you can read singletons-appdelegates-and-top-level. h" Jul 7, 2015 · There are 2 ViewControllers with xibs that the AppDelegate owns and presents in a window; I sometimes need to access properties on AppDelegate from the ViewControllers, which I'm doing like this: AppDelegate *delegate = (AppDelegate *)[[NSApplication sharedApplication] delegate]; delegate. UIViewController *presenter = ((AppDelegate *)[[UIApplication sharedApplication] delegate]). m files. How i can present view controller with all stack from appdelegate. Apr 10, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I'm glad you solved it! – Jul 18, 2014 · According to Apple you should pass your MOC to the controller. I have build an tabbar application and only added the tabbar controller to the appdelegate. Mar 17, 2021 · You can get a reference of AppDelegate by following let appDelegate = UIApplication. window?. h> @interface AppDelegate : NSObject <NSApplicationDelegate> @property (assign) IBOutlet NSScrollView *table; @property (assign) IBOutlet NSWindow *window; @end AppDelegate. 2- I have swift code working fine, I have a bridge header and I can reference things form either side on the other side. myViewController = self; This code retrieves the pointer to the UIApplication instance that the system created, and then queries the delegate property to get a pointer to the AppDelegate instance. h. Mar 16, 2011 · In more than one occasion i found usefull to pass data from one viewController to another using AppDelegate as bridge: @interface MyAppDelegate : NSObject &lt;UIApplicationDelegate&gt; { CGFl Nov 7, 2013 · Prior to Xcode 4. slc) on MacOS. Aug 1, 2016 · In the demo, it seems all codes needed for the SDK to run is written in appDelegate. Unless you're referring to defining the main Xib in your target configurations, but that's pretty old school. h every place you need it, particularly in MyViewController1. Note the last two paragraphs. To learn more, see our tips on writing great Nov 12, 2011 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. GlobalData. First and foremost, you should set the window rootController inside the method of the app delegate . The main view controller I have is of class TodoListTableViewController , which is embedded in a navigation controller like so: Aug 14, 2020 · I want to code an app in go that is able to open a custom filetype (. Apr 8, 2024 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. By convention, you get a context from a view controller. Jun 16, 2017 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. h" in my bridging header. Provide details and share your research! But avoid …. 3, you need to forward declare methods called within the same @implementation block, so make sure to add the declaration of setupHUD to either the class extension (the list of declarations inside AppDelegate. I'm switching between view controllers as followed: ChatWindowViewController *viewController = [[ChatWindowViewController alloc] init]; [self presentViewController:viewController animated:YES May 26, 2011 · To complete JonasG's answer (who left out tab bar controllers while traversing), here is my version of returning the currently visible view controller Aug 14, 2020 · I want to code an app in go that is able to open a custom filetype (. I've read about Obj-C/Swift bridging header and stuff, but I don't know how to make it work for this case. h" and resolve any errors. May 16, 2017 · Is there any way to call device token from Objective-C? I just created a cordova ios project since I only have basic knowledge in Objective-C. Typically even though they are compiled in, I like to keep the header files in the main project, whenever I don't I seem to have problems like this. Apr 3, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. xib file. To learn more, see our tips on writing great Aug 1, 2016 · In the demo, it seems all codes needed for the SDK to run is written in appDelegate. I have tried this MyViewController *mvc = [[MyViewController alloc] init]; UINavigationController *navController = [[[ Mar 17, 2012 · AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate]; myTextField. 2. topViewController. mm also, keep that in mind. I think I didn't set the root? Please help. Manager: class OrientationManager { static let shared = OrientationManager() /// you can set any orientation to lock var orientationLock = UIInterfaceOrientationMask. xib and add NSObject object to object palette; In object inspector's Identity tab (the last one) set object's class to AppDelegate (you should get autocomplete) Jul 24, 2013 · How if I wanted to access the current view controller instead of the root view controller to get the class name from AppDelegate. I made this to swizzle viewWillDisappear to stop a spinner from spinning. helloWorld() is what you need. log(mod. m:23:18: Redefinition of 'ddLogLevel' Aug 11, 2012 · The problem is twofold. parsing class name from NSStringFromClass([AppDelegate class]) line). I think there is something strange about the linker with Objective-C classes vs normal C++ classes. Our application needs content so objective-c uses a delegate to handle this. You need to import the AppDelegate into the . shared. . someProperty = someValue; This "feels" hacky. h" #define APPDELEGATE (AppDelegate *)[[UIApplication sharedApplication] delegate] Then when I use it in any class I just Sep 2, 2016 · All it needs to do is return the app delegate pointer. keyWindow!. Part of what the library does is some swizzling of the AppDelegate class of any app that it is added to. So I modified what you told me and used my navigation instance to invoke the count property and the count is always equal to 1 in my code regardless of what scene I am on. Sep 14, 2010 · To get your app delegate . m : - (void)applicationDidEnterBackground:(UIApplication *)application { [self. Making statements based on opinion; back them up with references or personal experience. You can easily recreate your own: Create a class, name it AppDelegate; Open MainMenu. Apr 8, 2023 · I'm trying to follow the steps Setting Up a Core Data Stack documentation for setting up Core Data using Objective-C but it appears to only show Swift implementation. When the library is added to a simple Objective-C app (a single-page app with nothing in it), the callback methods are swizzled properly and everyone is happy. #import &lt;UIKit/UIKit. h only in ChathistryViewController. m : it's easier and in the future it'll be more obvious that it contains ObjC code. @synthesize myBool; 3) to access myBool variable in any other UIViewController. h: #import <Cocoa/Cocoa. Hope this helps. m in Obj-C. Aug 26, 2015 · We will do this in a function, called registerApplicationEventHandlers () which you implement in your native code. This nib file is referenced in the Info. (Specifically the section titled "Conforming to Protocols". delegate as! AppDelegate then appDelegate. navigationController. May 3, 2014 · AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate]; appDelegate. Even though the Xcode Project Navigator shows only one set of AppDelegate files, and Jump to Definition shows the same AppDelegate class definition in both cases, one of the view controllers may actually have different delegate code. h like this: #import "AdIntegrator. The object file must also include "AppDelegate. Swift: if UIApplication. h and vice-versa. 1 and up, it will need a different approach. These new features will be implemented in Swift. ActionSheet) self. Note that you cannot subclass a Swift class in Objective-C. Jul 14, 2016 · Since Objective-C class methods can't be called from Swift 3. m file? Jun 5, 2019 · So how do I use the response object I received from appdelegate at my PayView along with already existing instance values? I thought about using a global variable to store the "payView" instance/object and initiate a new instance from appdelegate for "Payview" and use the global along with the response json from appdelegate. xib. To learn more, see our tips on writing great Jan 8, 2013 · How to navigate from Appdelegate to another view(a tabview). Make sure you #import AppDelegate. text = appDelegate. Search and read main. ) I hope this information helps. 4 and got this working in Objective-C Step 1: Delete Storyboard Step 2: Remove Main interface Step 3: Delete storyboard in info. application:didFinishLaunchingWithOptions: Aug 29, 2013 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. keyWindow != nil{ if let navigationController = UIApplication. Sep 17, 2015 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Apr 4, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I try this code below in the AppDelegate: [self. Add " (ProjectName)-Swift. Jun 6, 2018 · Well let me explain, the AppDelegate is a Singleton object, so you can declare the AdIntegrator class in AppDelegate. h" @interface AppDelegate : UIResponder <UIApplicationDelegate> @property (strong, nonatomic) UIWindow *window; @property (nonatomic) AdIntegrator *adIntegratorObject; @end I've tryed to reload TableView data from AppDelegate. h&gt; @int Apr 17, 2014 · AppDelegate *app = (AppDelegate*)[[UIApplication sharedApplication] delegate]; NSMutableArray *selectedCells = app. m) TabBarController should appear (as main view of Dec 27, 2014 · Get rid if your instance variables and your @synthesize statement. m: AppDelegate is used for the whole app, you can use it to manage the app life cycle, on the other hand, ViewController is used for a single view. m but with no success. May 3, 2014 · AppDelegate *appDelegate = [[UIApplication sharedApplication] delegate]; appDelegate. Now, when I know AppDelegate's class name, I search for AppDelegate. At first glance everything seems ok. To learn more, see our tips on writing great Nov 13, 2014 · This means AppDelegate is defined in the Objective C side. To learn more, see our tips on writing great Oct 8, 2013 · In multiple classes, I'm using [NSApp delegate] to get my main AppDelegate from where I'm accessing some properties. Also make sure the type of . if you use AppDelegate for your logical application workflow you can read handling-your-initial-view-controllers-for-iphone/ Hope it helps. Mar 3, 2011 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. In your SDK's start-up code (which the user will have to call early in something like application:willFinishLaunchingWithOptions:), instantiate it, and replace the main UIApplication object's delegate with your custom object. Feb 7, 2012 · Having looked into it, the methods that are called are all in the AppDelegate. html. Jan 22, 2010 · I know there may be multiple ways to get the startup beep to play, but in order to work with initialization code I want to do it by calling my beep method from within the applicationDidFinishLaunching method of the AppDelegate. Dec 27, 2014 · 1. rootViewController as? Feb 15, 2010 · I would like to get at - (void)applicationWillTerminate:(UIApplication *)application a variable from a view controller class. [[UIApplication sharedApplication] delegate]; returns a valid instance of the delegate class as a singleton for easy access in multiple locations, but you need to declare the ivar as an @property, or else risk using the (extremely unstable) struct access operator. Dec 29, 2014 · I have a project I created as new Swift project and I need to convert it's AppDelegate back to Objective C after I have changed it a lot, so it's not just as easy as create new project. OpenURLOptionsKey: Any] = [:]) -> Bool { // your code here } } @main struct MyApp: App Jan 25, 2013 · The AppDelegate class cannot be used as a view controller, if that's what you're asking. To learn more, see our tips on writing great Aug 12, 2012 · So what I'm wondering is, how would I place this video on top of the splash's content, before didFinishLaunchingWithOptions kicks in? actually, you do that in didFinishLaunchingWithOptions. AppDelegate. m class @ Sep 2, 2014 · However, there is one solution, not the cleanest one I must admit, where one can receive AppDelegate being set by user, save it to property and make new AppDelegate that will route everything to previously set AppDelegate. Consequently, I have a method like this defined in my AppDelegate. h file. m? Currently, ViewController A is actually the root view of RootViewController. h file in your view controller's . Instead, you can forward declare a Swift class to use it in an Objective-C header. you can use it to manage life cycle of a view. Sep 30, 2015 · You can get at your AppDelegate from anywhere by using the UIApplication's singleton method: [UIApplication sharedApplication]. Jul 17, 2012 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You can use this code as well if you want to launch it from didFinishLaunchingWithOptions. One app can have multiple views. I've did some research here but I only managed to get the RootViewController class name instead of ViewController one. Feb 19, 2014 · When I try to get the count using the code you used I get an exception "Unrecognized selecter sent to instance UIViewController". window. 1) in AppDelegate. [window addSubview:tabBarController. h #import "AppDelegate. I can present popover for the vc I want but can not dismiss it. That's why we call it AppDelegate (act as delegate of UIApplication). modResults. That said, I don't think that's the right approach to take here. Since the property type of the delegate already says it conforms to the given protocol, there is no need to check for conformity. Jun 19, 2014 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. c file should be compiled as an Objective-C file because you have written some Objective-C specific code in it. Im running Xcode 11. iczg fou wjpnul qhfrns tyrhgr ggzj ciek iyu xwkcz pwvnlylg cyughs heza fff jemhoyc zpk