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Getting Started

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James Clancey edited this page Feb 18, 2022 · 18 revisions

Comet is a few things:

  • a platform agnostic UI toolkit
  • a programming pattern

Installing with .NET MAUI Check Tool

This is a community supported, open source, global dotnet tool intended to help evaluation your development environment and help you install / configure everything you need to build a .NET MAUI application.

Install Maui:

Current Comet stable requires preview 13.

dotnet workload install android ios maccatalyst tvos macos maui wasm-tools `
            --from-rollback-file https://aka.ms/dotnet/maui/preview.13.json  `
            --source https://aka.ms/dotnet6/nuget/index.json `
            --source https://api.nuget.org/v3/index.json

To Make Your Ride More Enjoyable

  1. Install the Comet Project Templates

Open a terminal and run:

dotnet new -i Clancey.Comet.Templates.Multiplatform
  1. Install the VS Code Comet Debug extension

Install the Comet Debug from the Marketplace.

Start a New Project

dotnet new comet -n RideTheComet

.NET MAUI

To launch the .NET MAUI project, you will need to specify a $(TargetFramework) via the -f switch:

dotnet build RideTheComet -t:Run -f net6.0-android
dotnet build RideTheComet -t:Run -f net6.0-ios
dotnet build RideTheComet -t:Run -f net6.0-maccatalyst

Using VS Code

code RideTheComet

Ride the Comet!

Start debugging. With the Comet Debug extension installed you can type CMD + Return.

VS Code should have already selected the iOS project as your startup project, and prompt you to select a simulator from your Xcode installation.

Once running, you can make changes to your view code and your app running in the simulator will update in real-time. Any invalid code will either report an error to you in the output window, or may crash the app and require reboot to get going again. So write good code!

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