Xamarin Certification Xamarin.iOS Development 3

Question 1

Which Xamarin.iOS class is used to present a modal view controller?

Accepted Answer

PresentViewController

Answer

ShowModal

Answer

StartModalActivity

Answer

PushModal

Question 2

What is a XIB file in the context of Xamarin.iOS?

Accepted Answer

An Interface Builder file defining a single view or window

Answer

An XML image bundle

Answer

A Xamarin binding file

Answer

An Xcode project index

Question 3

In Xamarin.iOS, what is used to bind third-party Objective-C libraries for use in C# code?

Accepted Answer

Binding Projects

Answer

NuGet Packages

Answer

P/Invoke

Answer

DllImport

Question 4

Which gesture recognizer class in Xamarin.iOS detects tap gestures?

Accepted Answer

UITapGestureRecognizer

Answer

UISwipeGestureRecognizer

Answer

TapListener

Answer

GestureDetector

Question 5

How do you share data between view controllers in Xamarin.iOS using a segue?

Accepted Answer

Override PrepareForSegue and set destination controller properties

Answer

Use SharedPreferences

Answer

Use a static variable only

Answer

Call SendBroadcast

Question 6

In Xamarin.iOS, what is the purpose of Info.plist?

Accepted Answer

Stores app configuration such as bundle ID, permissions, and display name

Answer

Defines the database schema

Answer

Contains localization strings

Answer

Holds build scripts