Hands-On Mobile Development with .NET Core

Advanced application telemetry

In the previous examples, we used a static accessor for our telemetry writer instance. However, this implementation can cause serious architectural problems, the most important of which is  that we would be coupling our application class with a concrete implementation of the App Center SDK.

In order to remedy architectural issues that may arise, let's create a proxy telemetry container that will divert telemetry requests to target telemetry writers. To do so, follow the following steps:

1. We will start by creating an ITelemetryWriter interface to abstract our App Center telemetry handler:

 public interface ITelemetryWriter {     string Name { get; }      void TrackEvent(TelemetryEvent @event);      void TrackError(