Introduction

Building Xamarin Forms apps using .Net Standard 2.0 is still pretty much new to industry, we are just started to learn how differently we have to configure Xamarin setting to get it working when compared to PCL based projects.

I was building a Xamarin Forms based App using Microsoft’s Entityframeworks SQlite to store app’s data. Entity framework using sqlite is an obvious choice when it comes to building App using .Net Standard 2.0

Simulator

Works well on pretty much on all simulators without any issue, all read/write operations works well.

Issue  – Physical Device

App crashes on physical device, when tried to read or write data from the SQlite database

Error

System.TypeInitializationException: The type initializer for ‘Microsoft.EntityFrameworkCore.EntityFrameworkQueryableExtensions’ threw an exception. —> System.InvalidOperationException: Sequence contains
no matching element

Resolution

Change linker behavior to “Don’t Link”

Category:
Mobile, Uncategorized
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