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by ivm 234 days ago
Not at all, but it’s important not to mix up Xamarin (nowadays just .NET) which is basically native bindings for C# and Xamarin.Forms UI framework (nowadays MAUI) which is write-once approach like RN.

The former is exactly what you are talking about: building native UIs twice and then sharing the common logic.
1 comments
trevor-e 234 days ago
Very neat, thanks for explaining. The only drawback I've seen in the past with apps using .NET is the binaries end up pretty huge due to the runtime. I'm assuming that's still the case here? I wouldn't be surprised if this is also an issue with Swift for Android but I haven't looked yet.
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ivm 234 days ago
It's not too bad, about 12-15 MB for the runtime on iOS. I'd say the main downside compared to other cross-platform frameworks is the lack of official hot reload (it's possible but really clunky) for building UIs.

Otherwise, I’ve been working with it since 2018, my app now has around 500k installs on both stores, and I’ve encountered very few issues related to the stack itself. Mobile .NET has been steadily improving, and LLMs have made the two-native-UI approach much easier: after building an iOS UI, I ask Claude to repeat it on Android for the same view model and get about 80% done instantly.

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