View's life cycle

Creation

1a -> initWithCoder for initializing view via Storyboard

1b -> initWithNibName for initializing view via Nib file

1c -> init if we do not use none of the above 2 methods and use simple View init method to initialize View.

2   -> loadView

3   -> viewDidLoad

4   -> viewWillAppear

5   -> viewWillLayoutSubviews

6   -> viewDidLayoutSubviews

7   -> viewDidAppear

Destruction

1   -> viewWillDisappear

2   -> viewDidDisappear

3   -> viewWillAppear

4   -> viewWillLayoutSubviews

5   -> viewDidLayoutSubviews

6   -> viewDidAppear