Building and testing Xamarin applications

You can create a continuous integration (CI) workflow in GitHub Actions to build and test your Xamarin application.

Einführung

This guide shows you how to create a workflow that performs continuous integration (CI) for your Xamarin project. Der Workflow, den Du erstellst, zeigt Dir, wenn Commits zu einem Pull-Request zu Build- oder Testfehlern für deinen Standard-Zweig führen. Dieser Ansatz kann dazu beitragen, dass Dein Code immer brauchbar ist.

For a full list of available Xamarin SDK versions on the GitHub Actions-hosted macOS runners, see the documentation:

The macos-latest YAML workflow label currently uses the macOS 10.15 virtual environment.

Vorrausetzungen

We recommend that you have a basic understanding of Xamarin, .NET Core SDK, YAML, workflow configuration options, and how to create a workflow file. Weitere Informationen findest Du unter:

Building Xamarin.iOS apps

The example below demonstrates how to change the default Xamarin SDK versions and build a Xamarin.iOS application.

name: Build Xamarin.iOS app

on: [push]

jobs:
  build:

    runs-on: macos-latest

    steps:
    - uses: actions/checkout@v2
    - name: Set default Xamarin SDK versions
      run: |
        $VM_ASSETS/select-xamarin-sdk-v2.sh --mono=6.12 --ios=14.10

    - name: Set default Xcode 12.3
      run: |
        XCODE_ROOT=/Applications/Xcode_12.3.0.app
        echo "MD_APPLE_SDK_ROOT=$XCODE_ROOT" >> $GITHUB_ENV
        sudo xcode-select -s $XCODE_ROOT

    - name: Setup .NET Core SDK 5.0.x
      uses: actions/setup-dotnet@v1
      with:
        dotnet-version: '5.0.x'

    - name: Install dependencies
      run: nuget restore <sln_file_path>

    - name: Build
      run: msbuild <csproj_file_path> /p:Configuration=Debug /p:Platform=iPhoneSimulator /t:Rebuild

Building Xamarin.Android apps

The example below demonstrates how to change default Xamarin SDK versions and build a Xamarin.Android application.

name: Build Xamarin.Android app

on: [push]

jobs:
  build:

    runs-on: macos-latest

    steps:
    - uses: actions/checkout@v2
    - name: Set default Xamarin SDK versions
      run: |
        $VM_ASSETS/select-xamarin-sdk-v2.sh --mono=6.10 --android=10.2

    - name: Setup .NET Core SDK 5.0.x
      uses: actions/setup-dotnet@v1
      with:
        dotnet-version: '5.0.x'

    - name: Install dependencies
      run: nuget restore <sln_file_path>

    - name: Build
      run: msbuild <csproj_file_path> /t:PackageForAndroid /p:Configuration=Debug

Specifying a .NET version

To use a preinstalled version of the .NET Core SDK on a GitHub-hosted runner, use the setup-dotnet action. This action finds a specific version of .NET from the tools cache on each runner, and adds the necessary binaries to PATH. These changes will persist for the remainder of the job.

The setup-dotnet action is the recommended way of using .NET with GitHub Actions, because it ensures consistent behavior across different runners and different versions of .NET. If you are using a self-hosted runner, you must install .NET and add it to PATH. For more information, see the setup-dotnet action.

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