Xamarin is a cross-platform technology that makes it possible to build native mobile apps for Android, iOS, and Windows Phone using C# and a shared codebase. Like its younger siblings NativeScript and React Native, it allows development teams to build mobile applications using the skills they already have, and spend less time writing code for each platform. If you haven’t tried Xamarin yet, now is a great time to get started! Earlier this year, Microsoft bought Xamarin and made it free (and open-source). ![]() If you are using Visual Studio 2013, you will need to use the Xamarin Universal Installer(Just input your information and the file will be available to download). If you are using Visual Studio 2015, then you can install Xamarin directly from within the Visual Studio 2015 installer window. Extension for Visual Studio - This package contains project templates for Windows IoT Core Applications. ![]() You can build Xamarin projects on Windows (using Visual Studio), or Mac/Linux (using Xamarin Studio). I’m excited to dig into Xamarin because mobile apps need authentication and authorization, which Stormpath makes easy. We already have rich SDKs for, as well as SDKs for iOS and Android separately, but a Xamarin-specific SDK could provide even more value and make it super simple to secure your apps. It’s something I’m currently digging into, so stay tuned! In this tutorial, I’ll show you how to use Visual Studio and Xamarin to build a basic app for iOS and Android — even if you’ve never done any app development before! Setting Up Visual Studio and Xamarin If you don’t have Visual Studio 2015 installed, download the from Microsoft. If you already have Visual Studio, make sure you have the latest update ( at the time of writing). You’ll also need to install some optional components for Visual Studio. If you’re setting up Visual Studio from scratch, make sure these items are selected:• C#/.NET (Xamarin 4.1.1) • Visual Studio Emulator for Android If you have an existing installation, you can verify that these components are installed by opening the Control Panel, choosing Uninstall or change a program, and selecting Microsoft Visual Studio 2015. Follow the installation wizard to make sure the above items (at a minimum) are checked. Once you have the tools set up, you’re ready to create a Xamarin project! Xamarin.Forms The provides bindings to the platform-specific APIs on each mobile platform, so you can call Android or iOS APIs from C# code. This allows you to build native apps using C#, but you still need to design the UI separately for each platform. Is an additional layer on top of the Xamarin SDK that makes it possible to build your UI once (in XAML markup) and let Xamarin do the hard work of translating it into the appropriate UI elements on the target platform. You can drop down to the Xamarin SDK level and interact with the platform APIs if you need to. Should you use “raw” Xamarin, or Xamarin.Forms? It depends on what you are building:• If you’re building an app that needs little platform-specific functionality or custom UI, go with Xamarin.Forms. This is a good choice for straightforward data-entry apps and prototypes. • If you’re building an app that needs UI customized for each platform, or includes a lot of complex interactions, you’re better off with straight Xamarin. Since the goal of this tutorial is building a simple app, Xamarin.Forms is the fastest and easiest way to go! Creating a New Xamarin.Forms Project First, create a new project in Visual Studio. In the New Project window, choose the Cross-platform category, and the Blank App (Xamarin.Forms Portable) template.
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