Frequently Asked Questions

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Can I update the Xamarin.Forms default template to a newer NuGet package?

This guide uses the Xamarin.Forms PCL template as an example, but the same general method will also work for the Xamarin.Forms Shared Project template.

Why doesn't the Visual Studio XAML designer work for Xamarin.Forms XAML files?

Xamarin.Forms doesn't currently support visual designers for XAML files.

Android build error: The "LinkAssemblies" task failed unexpectedly

You may see an error message The "LinkAssemblies" task failed unexpectedly when building a Xamarin.Android project that uses Forms. This happens when the linker is active (typically on a Release build to reduce the size of the app package); and it occurs because the Android targets aren't updated to the latest framework.

"Why does my Xamarin.Forms.Maps Android project fail with COMPILETODALVIK : UNEXPECTED TOP-LEVEL ERROR?"

This error may be seen in the Error pad of Visual Studio for Mac or in the Build Output window of Visual Studio; in Android projects using Xamarin.Forms.Maps. It is most commonly resolved by increasing the Java Heap Size for your Xamarin.Android project.

Xamarin Workbook

If it's not already installed, install the Xamarin Workbooks app first. The workbook file should download automatically, but if it doesn't, just click to start the workbook download manually.