NET Standard library if you are using one to share code across your iOS, Android, and UWP app projects.Īfter installing the NuGet, there is a small amount of code on Android that is required to initialize Xamarin.Essentials. To get started with Xamarin.Essentials you need to install the NuGet package. And since it’s usually common to place your web API calling code in shared code, you can use Xamarin.Essentials to determine what device the app is running on in order to pick the correct IP address.

With this knowledge, you can configure your backend API to integrate with your mobile app. Other emulators may use a different IP address, for instance, Genymotion uses 10.0.3.2. The default Android emulators use 10.0.2.2 for this communication instead of localhost. The first thing is to understand that Android has a special IP address to communicate and loop back to the host machine.

With a little “know how” you can now also debug your Android apps locally regardless if you developing on Visual Studio on Windows or Visual Studio for Mac. But we’ve got you, Android app developers, covered. However, this is not the case for Android debugging, because Android emulators have their own networking configuration whereas the iOS simulator uses the same network as the local machine.

If you are using Visual Studio for Mac and debugging iOS applications you know it is as easy as running your web API locally and using localhost as the URL for web requests. When developing mobile applications with a web API backend there is always a need to debug locally on your development machine.

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