Xamarin Certification Xamarin.iOS Development

Question 1

Which class is the entry point for a Xamarin.iOS application?

Accepted Answer

AppDelegate

Answer

UIApplication

Answer

MainActivity

Answer

Application

Question 2

What attribute is used to register a Xamarin.iOS class with the Objective-C runtime?

Accepted Answer

[Register]

Answer

[Export]

Answer

[Bind]

Answer

[ObjCClass]

Question 3

In Xamarin.iOS, which method do you override to set the initial view controller programmatically?

Accepted Answer

FinishedLaunching

Answer

ViewDidLoad

Answer

OnCreate

Answer

WillEnterForeground

Question 4

What is the purpose of the [Export] attribute in Xamarin.iOS?

Accepted Answer

Exposes a C# method to Objective-C selectors

Answer

Exports the app to the App Store

Answer

Marks a class as public

Answer

Binds a Swift framework

Question 5

Which Xamarin.iOS class is used to display a list of items using a table-based layout?

Accepted Answer

UITableView

Answer

UICollectionView

Answer

ListView

Answer

RecyclerView

Question 6

In Xamarin.iOS, what file format is used for Interface Builder storyboards?

Accepted Answer

.storyboard

Answer

.xib

Answer

.axml

Answer

.xaml