Does viewDidLoad get called before viewWillAppear?

Always called after viewDidLoad (for obvious reasons, if you think about it), and just before the view appears on the screen to the user, viewWillAppear is called. This gives you a chance to do any last-minute view setup, kick off a network request (in another class, of course), or refresh the screen.

Which method is called before viewDidLoad?

However, technically viewDidLoad will be called first. Show activity on this post. Yes, it is called before. ViewDidAppear – it is called when the view is visible to the user, here is the place to start an animation or something like that.

What is viewDidLoad in Swift?

Discussion. This method is called after the view controller has loaded its view hierarchy into memory. This method is called regardless of whether the view hierarchy was loaded from a nib file or created programmatically in the loadView() method.

What does a Viewcontroller do in Swift?

A view controller manages a single root view, which may itself contain any number of subviews. User interactions with that view hierarchy are handled by your view controller, which coordinates with other objects of your app as needed.

What is viewDidLoad?

viewDidLoad is the method that is called once the MainView of a ViewController has been loaded. This is called after loadView is called.In the image you can see the MainView and other views within it.

What is the purpose of viewDidLoad?

Use viewDidLoad( ), which is called AFTER loadView( ) has completed its job and the UIView is ready to be displayed. viewDidLoad( ) allows you to initialize properties of the view/viewController object and finalize them before viewWillAppear( ) is called.

Should I call super viewDidAppear?

Not calling [super viewDidAppear] is indeed a bad idea. The base class for UIViewController has code in viewDidAppear that needs to be called or things won’t work correctly.