Announcing new Course: Retrofit and Coroutines!

Announcing new Pro Course: Retrofit and Coroutines!

Retrofit is a good step towards simplifying network calls, but using it with callbacks wasn’t always straightforward.

See how to simplify Retrofit calls using coroutines in our new Retrofit and Coroutines course!

Keep reading to hear more about it from course instructor Fuad Kamal:

Why should I take your Retrofit and Coroutines course?

"This course helps you to quickly transition from the old way of using Retrofit with callbacks to the new way using Coroutines. Your networking code will become more concise, easier to read and debug."

How can this course help with a common pain point in Android development?

"Large, complex apps often have large, complex networking layers. Simplifying your network layer with Coroutines makes it easier to scale your app, bring new developers up to speed, and triage and troubleshoot issues."

Can you please share a cool Retrofit tip with us?

"Here's a before and after example from the course, using Retrofit with callbacks versus Retrofit with coroutines.

Retrofit with Callbacks:

Retrofit with Coroutines:

Notice that suspend appears in front of the function names. Also, there’s no need to wrap the return value in Call anymore. This transforms the functions into coroutines. So much simpler!"

Is there anything else we should know about your Retrofit and Coroutines course?

"If you have a legacy app using Retrofit with callbacks and you just upgrade your Retrofit library networking library to the latest version, you code will likely break, as there have been significant changes to Retrofit since version 2.7.

Since you will need to update your code anyway, you might as well upgrade to using Coroutines!"

Fuad’s Retrofit and Coroutines course is available for Professional subscribers now!

— Ray