Can somebody explain the process of a UIViewController birth (which method follows which)?

There are many methods to override, like initWithNibname:, awakeFromNib, loadView, viewDidLoad, viewDidAppear:, and I just cannot decide in which order gets these method called.

Checking if a UIViewController is about to get Popped from a navigation stack?

I need to know when my view controller is about to get popped from a nav stack so I can perform an action.

Easiest way to support multiple orientations? How do I load a custom NIB when the application is in Landscape?

I have an application in which I would like to support multiple orientations. I have two .xib files that I want to use, myViewController.xib and myViewControllerLandscape.xib. myViewController.xib exists in project/Resources and myViewControllerLandscape.xib exists in the root project directory.

Three UIViewControllers on the same window

I want to develop the following application: on top I have a navigation bar, in the middle a TableViewController and on the bottom I have a custom control that is actually a slider (when I move the slider I want to present another TableViewController - but my navigation bar remains the same). And when I select a cell in the TableView I want to push a new ViewController (so I will change my navigation bar) and I will also dismiss my custom control. I have attached a picture of the prototype of my application.How would you suggest that I should implement this? My custom control is designed using IB so I think I should use the old way, using .xib files, not the Storyboard.

Adding UIView subclass programmatically not drawing itself

I don't understand how this works. If I draw a UIView object to my UIViewController .xib file, then my UIView redraws itself. If I add it to the subView like

UIviewcontroller size issue in IPhone?

I have a UIviewcontroller in a navigation based project, to which i am pushing some views as a result of some button action.

ViewController gets deallocated which leads to crash

I have a view in my storyboard which I assigned an identifier called "MainView". However if I add its view to the subview, everything that follows produces a crash (e.g. pressing a button)

dismissModalViewControllerAnimated doesn"t return

If I push a view onto the Navcontroller it works great and I can return from it either with code or using the Nav Controller back button.

Switching Between View Controllers Efficiently

In order to switch between views in my iOS app, I have been using Modal View Controllers. It works fine, but is this bad coding practice? Will it be detrimental to the memory usage of my app?