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I am developing a multi-platform app with Xamarin Forms. I need to support Touch ID/fingerprint authentication for both the iOS and Android platforms. How can I do this? I am new to Xamarin.
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Run your Android emulator and go to Settings->Security & location->Fingerprint. If you have set up your PIN, enter it on your emulator. If you haven't set up your PIN, Android emulator will prompt you to add it at this point. Click Add fingerprint.
Xamarin. Essentials provides a single cross-platform API that works with any iOS, Android, or UWP application that can be accessed from shared code no matter how the user interface is created. See the platform & feature support guide for more information on supported operating systems.
I've developed a Plugin for this. It's available on NuGet, too. Feel free, to drop an issue, if you miss something, or found an error.
https://github.com/smstuebe/xamarin-fingerprint
In general: There are alot of Plugins that abstract platform specific behavior. Before you write something on your own, just google for "<feature> xamarin plugin". It will safe much time.
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