What does Xamarin Mean By “Write-Once-Run-Everywhere” Approach?

The mobile world is changing continuously and when it comes to building a mobile app, businesses often get confused between native and cross-platform applications. If the businesses prefer to develop an application for only one platform, then they should go for native approach. But if they want to build an application for all major platforms, such as iOS, Android, and Windows, then they need to create an app for each platform individually, which would definitely the time-consuming process.

An alternative way for creating those apps is to follow the “Write-Once-Run-Everywhere” approach. With this solution, there would be no need to select any one platform and businesses can build their apps for all of them. This type of apps is known as cross-platform applications. The perfect technology for this apps is Xamarin Cross Platform Application Development .


Now the question is- what is Xamarin?


Xamarin technology allows the developers to write the code for an application in C#, and that code would be applicable for any platform. The objective behind Xamarin technology is to build mobile applications by using the JavaScript libraries like the JQuery Mobile.


Features of Xamarin


Cross-Platform Support :-  Xamarin app development provides cross-platform support for the bigger platforms such as iOS, Android, and Windows. It allows the developers to share almost 75% code across all the platforms. In this way, developers are able to save their time of writing the same code for each platform.


Binding Available For SDKs :-  Xamarin has the strongly-typed bindings which are needed for the SDKs in both iOS and Android platforms. These SDKs are easy to use and navigate.


Language Constraints:-  All the applications are coded in C# and include features like parallel programming and dynamic language.


Base Class Library :-  Xamarin application uses the .Net Base Class Library. It is a collection of the classes which has features like networking support and database integration. The C# code can be used and compiled for other platforms and also provides access to hundreds of libraries as well.

Xamarin Cross Platform Application Development  is better in many aspects, such as:


  • Build:- Developers are allowed to write the code of applications in C# and reused on iOS, Android, and Windows.  


  • Test :- Testing of app’s code is also available and allow the developers find hundreds of bugs easily.


  • Monitor :- With Xamarin, developers can monitor real-time crash and other exceptions on different platforms.


Xamarin Test Cloud


Testing An App :-  Developers can test an app on several devices. These devices would be based on OS, app manufacturer, and other factors.


Analyze The App Performance :-  Video playback and full frame screenshots are available at every step. With the help of this, developers can easily test the apps on different platforms.


Xamarin.iOS :-  This component provides one of the perfect solutions for creating iOS apps. The AOT compiler is responsible for compiling the iOS applications to native assembly code. The SDK libraries of Apple iOS can be accessed from the C# directly along with an automatic binding generator which allows the use of Objective-C code and custom controls. The application can also take benefits of the updated libraries of iOS.


Xamarin.Android :-  Developers can port the Android packages to the Xamarin environment directly. The Android platform uses the Just-In-Time compilation for its app’s runtime optimization. They are also able to access the Google Android API as well as the .NET naming conventions.  


In the Xamarin applications, developers are allowed to access the custom controls and existing Java code. Xamarin.Android always stays up-to-date with the latest Google APIs.


Why Companies are opting Xamarin for their cross-platform app development:


  • For the cross-platform mobile application, Xamarin is considered as the perfect development environment. It helps businesses to boost their support process. Moreover, they can simplify their development process too. Xamarin Studio enables the developers to have the benefits of strong and modern IDEs.

  • Developers are allowed to have the Native UI across all their desired platforms. While permitting the developers to share their code base, app logic, and API coverage, Xamarin preserves the Native Performance of their application simultaneously. It also allows them to reuse team, skills, and code. This saves resources and time.

  • Visual Studio natively supports the Windows 8 as well as Windows Phone development. Xamarin technology does not involve there. An app code can be shared among all the desired platforms such as Windows, iOS, and Android. It is possible by using the proper application architecture and PCL (Portable Class Libraries).


  • Xamarin allows all the developers to develop the mobile or web applications in C#. Developers can leverage the benefits of strongly typed language.


When it comes to using the most current technologies of C#, Xamarin Mobile Application Development is better than other hybrid frameworks. As this technology offers unique API and UI features to achieve the native-like performance.


Xamarin Cross Platform Application Development  is continuously getting popular among the hybrid app developer communities as it has latest features of C# as well as the strong support of Microsoft. It has the unique technologies of cross-platform. Organizations which are aiming to cross-platform applications, are preferring Xamarin technology confidently.

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