This is an early preview of Mobile (iOS/Android) in .NET 6 not for production use. Expect breaking changes as this is still in development for .NET 6.
This repo requires a specific build of .NET 6:
You will also need to install builds of the iOS and Android workloads:
Android:
iOS:
NOTE: newer builds of .NET may work, but your mileage may vary.
The workload installers enable a feature flag file via
sdk/6.0.100-preview.1.21103.13/EnableWorkloadResolver.sentinel
, which would
need to be created manually for other .NET 6 versions. You can find
the full list of builds at the dotnet/installer
repo.
Projects:
Prerequisites:
Android SDK Platform 30
. Simplest way to get this is to install the current Xamarin workload and go to Tools > Android > Android SDK Manager
from within Visual Studio.For example, to build the Android project:
dotnet build HelloAndroid
You can launch the Android project to an attached emulator or device via:
dotnet build HelloAndroid -t:Run
Prerequisites:
To build the iOS project:
dotnet build HelloiOS
To launch the iOS project on a simulator:
dotnet build HelloiOS -t:Run
In later previews, this sample will be migrated to use MAUI
To launch the Forms project, you will need to specify a $(TargetFramework)
via the -f
switch:
dotnet build HelloForms -t:Run -f net6.0-android
dotnet build HelloForms -t:Run -f net6.0-ios
NOTE: You may need to add the
--no-restore
switch until dotnet#15485 is resolved.
Currently, you can use Visual Studio 2019 16.9 Preview 4 on Windows (with the Xamarin workload) with a few manual steps.
Open an Administrator command prompt to enable the
EnableWorkloadResolver.sentinel
feature flag:
> cd "C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\MSBuild\Current\Bin\SdkResolvers\Microsoft.DotNet.MSBuildSdkResolver"
> echo > EnableWorkloadResolver.sentinel
NOTE: your path to Visual Studio may vary, depending on where you selected to install it.
Preview
is the default folder for Visual Studio Preview versions.
Restart Visual Studio after making this change.
These are notes for things we had to workaround for these samples to work.
Currently, NuGet is not able to restore existing Xamarin.Android/iOS
packages for a .NET 6 project. We tried $(AssetTargetFallback)
,
however, this option does not work in combination with transitive
dependencies. The Xamarin.AndroidX.*
set of NuGet packages has a
complex dependency tree.
Additionally, we had some problems with the Xamarin.Forms NuGet package listing the same assembly in both:
lib\netstandard2.0\Xamarin.Forms.Platform.dll
lib\MonoAndroid10.0\Xamarin.Forms.Platform.dll
For now we added workarounds in xamarin-android
, see
xamarin-android#4663.
This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.opensource.microsoft.com.
When you submit a pull request, a CLA bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.
This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.
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