Installing Xamarin.Android on Windows
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last updated: 2018-02
This guide describes the steps for installing Xamarin.Android for Visual Studio on Windows, and it explains how to configure Xamarin.Android for building your first Xamarin.Android application.
Because Xamarin is now included with all editions of Visual Studio at no extra cost and does not require a separate license, you can use the Visual Studio installer to download and install Xamarin.Android tools. (The manual installation and licensing steps that were required for earlier versions of Xamarin.Android are no longer necessary.) In this guide, you will learn the following:
How to configure custom locations for the Java Development Kit, Android SDK, and Android NDK.
How to launch the Android SDK Manager to download and install additional Android SDK components.
How to prepare an Android device or emulator for debugging and testing.
How to create your first Xamarin.Android app project.
By the end of this guide, you will have a working Xamarin.Android installation integrated into Visual Studio, and you will be ready to start building your first Xamarin.Android application.
For detailed information on installing Xamarin for use with Visual Studio on Windows, see the Windows Install guide.
Xamarin.Android uses the Java Development Kit (JDK) and the Android SDK to build apps. During installation, the Visual Studio installer places these tools in their default locations and configures the development environment with the appropriate path configuration. You can view and change these locations by clicking Tools > Options > Xamarin > Android Settings:
For most users these default locations will work without further changes. However, you may wish to configure Visual Studio with custom locations for these tools (for example, if you have installed the Java JDK, Android SDK, or NDK in a different location). Click Change next to a path that you want to change, then navigate to the new location.
Xamarin.Android uses JDK 8, which is required if you are developing for API level 24 or greater (JDK 8 also supports API levels earlier than 24). You can continue to use JDK 7 if you are developing specifically for API level 23 or earlier.
Note: Xamarin.Android does not support JDK 9.
Android SDK Manager
Android uses multiple Android API level settings to determine your app's compatibility across the various versions of Android (for more information about Android API levels, see Understanding Android API Levels). Depending on what Android API level(s) you want to target, you may need to download and install additional Android SDK components. In addition, you may need to install optional tools and emulator images provided in the Android SDK. To do this, use the Android SDK Manager. You can launch the Android SDK Manager by clicking Tools > Android > Android SDK Manager:
By default, Visual Studio installs the Google Android SDK Manager:
You can use the Google Android SDK Manager to install versions of the Android SDK Tools package up to version 25.2.3. However, if you need to use a later version of the Android SDK Tools package, you must install the Xamarin Android SDK Manager plugin for Visual Studio (available from the Visual Studio Marketplace). This is necessary because Google's standalone SDK Manager was deprecated in version 25.2.3 of the Android SDK Tools package.
For more information about using the Xamarin Android SDK Manager, see Android SDK Setup.
If you don't have a physical Android device to use for testing, you can use an Android emulator to test your app. For more information about the Google Android emulator, see Android SDK Emulator.
The Google Android emulator uses Intel's HAXM (Hardware Accelerated Execution Manager), which can conflict with the virtualization technologies used by other emulators. The three main virtualization technologies are:
Hyper-V (used by the Visual Studio Emulator for Android and the Windows Phone emulator)
Virtual Box (used by Genymotion)
Intel HAXM (used by the Google Android SDK emulator)
Because a development computer's CPU can support only one virtualization technology at a time, it's best to have only one in use on a development computer.
If you have a physical Android device to use for testing, this is a good time to set it up for development use. See Set Up Device for Development to configure your Android device for development, then connect it to your computer for running and debugging Xamarin.Android applications.
Create an Application
Now that you have installed Xamarin.Android, you can launch Visual Studio create a new project. Click File > New > Project to begin creating your app:
In the New Project dialog, select Android under Templates and click Blank App (Android) in the right pane. Enter a name for your app (in the screenshot below, the app is called MyApp), then click OK:
That's it! Now you are ready to use Xamarin.Android to create Android applications!
In this article, you learned how to set up and install the Xamarin.Android platform on Windows, how to (optionally) configure Visual Studio with custom Java JDK and Android SDK installation locations, how to launch the SDK Manager to install additional Android SDK components, how to setup an Android device or emulator, and how to start building your first application.
The next step is to have a look at the Hello, Android tutorials to learn how to create a working Xamarin.Android app.