Xamarin Interview Questions (2024)
What is Xamarin?
What are the advantages of Xamarin?
What is Xamarin.Forms?
What is the difference between Xamarin.iOS and Xamarin.Android?
How to handle platform-specific code in Xamarin?
What is the function of the Xamarin Live Player?
What is the difference between synchronous and asynchronous programming in Xamarin?
What is the difference between a ViewModel and a Model in Xamarin?
What is the difference between a MasterDetailPage and a TabbedPage in Xamarin.Forms?
What is the purpose of the XAML language in Xamarin?
What is the difference between a PCL and a .NET Standard Library in Xamarin?
What is the difference between a static and dynamic resource in Xamarin.Forms?
How to handle database access in Xamarin?
What is the function of the "App.xaml" file in a Xamarin.Forms app?
How to create a custom renderer in Xamarin.Forms?
What is the purpose of the "MainPage" in a Xamarin.Forms app?
Q: What is Xamarin?
Ans:
Xamarin is a mobile app development platform that lets developers construct native Android, iOS,
and Windows apps from a single codebase in C#.
Q: What are the advantages of Xamarin?
Ans:
The ability to reuse code across several platforms, access to native APIs and libraries, and a
way to create apps using C# rather than learning new programming languages are some benefits
of utilizing Xamarin.
Q: What is Xamarin.Forms?
Ans:
Xamarin.Forms is a UI toolkit enables programmers to design user interfaces that
can be used on several platforms. It offers a collection of controls that are rendered natively
on each platform and leverages the XAML markup language.
Q: What is the difference between Xamarin.iOS and Xamarin.Android?
Ans:
Xamarin.iOS is utilised to create iOS apps.Android apps are created for Android.
Although they connect with various native APIs and libraries, both share the same
C# codebase.
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Q: How to handle platform-specific code in Xamarin?
Ans:
The Dependency Injection feature offered by Xamarin enables you to insert platform-specific interface implementations into your common code.
Q: What is the function of the Xamarin Live Player?
Ans:
Without a Mac or PC, developers can deploy and test their Xamarin apps immediately on their iOS or Android smartphones with the Xamarin Live Player.
Q: What is the difference between synchronous and asynchronous programming in Xamarin?
Ans:
Asynchronous programming enables the main UI thread to keep running while the background task is being completed, whereas synchronous programming blocks the UI thread.
Q: What is the difference between a ViewModel and a Model in Xamarin?
Ans:
A ViewModel comprises both business logic and data for a view, whereas a Model solely contains data.
Q: What is the difference between a MasterDetailPage and a TabbedPage in Xamarin.Forms?
Ans:
TabbedPage offers a navigation structure that consists of a collection of tabs that can be switched between,whereas a MasterDetailPage offers a navigation structure that consists of a master page and a detail page.
Q: What is the purpose of the XAML language in Xamarin?
Ans:
User interfaces in Xamarin are defined using the markup language XAML. It enables developers to decouple the app's business logic from its UI design.
Q: What is the difference between a PCL and a .NET Standard Library in Xamarin?
Ans:
A PCL (Portable Class Library) is a library which can be utilized on various platforms, whereas
a .NET Standard Library can be used on multiple versions of .NET.
Q: What is the difference between a static and dynamic resource in Xamarin.Forms?
Ans:
A dynamic resource can be updated at runtime as opposed to a static resource, which is defined at compile time and cannot be altered at runtime.
Q: How to handle database access in Xamarin?
Ans:
Data can be stored and retrieved using SQLite databases, which are supported by Xamarin.
Q: What is the function of the "App.xaml" file in a Xamarin.Forms app?
Ans:
The application-level events and global resources which can be used within the app are both
defined in the App.xaml file.
Q: How to create a custom renderer in Xamarin.Forms?
Ans:
User should construct a class that derives from the platform-specific renderer and implement the
necessary methods in order to create a custom renderer in Xamarin.Forms.
Q: What is the purpose of the "MainPage" in a Xamarin.Forms app?
Ans:
The MainPage serves as the Xamarin.Forms app's entry point. It includes the initial
user interface that appears when the app is opened.