After publishing four tutorials specifically tailored to uploading files with Retrofit 2, we're still not done yet. In this tutorial we'll go a step further and show you how to show progress updates in the UI when the app is uploading files with Retrofit 2. This can be very useful …

We've already shown you in a previous tutorial how to upload files and how to upload multiple files to a server. In this tutorial, we'll show you a way of uploading multiple files with one request without knowing how many files it'll be. This is useful when the user can …

In our last Retrofit tutorial, we've introduced mocking server responses with MockRetrofit. We've mentioned on the side that we're using the NetworkBehavior class, but didn't go into the details of the configuration options. In this tutorial, we'll make up for that. In case you need to make up for missed …

Retrofit offers a wide range of functionalities and there are a lot of possible configurations. A lot of larger applications will require some specific setup, for example for OAuth authentication. In order to achieve a clean and stable project, we'll introduce you our idea of a sustainable Android client: the …

In the getting started with Retrofit tutorial you've implemented your first request against one GitHub endpoint. Hopefully, you're excited to try out more of Retrofit's functionality. In this tutorial, you'll learn in more detail how to describe API endpoints in Retrofit. {{outline}} {{video}} How to Describe API Endpoints As you've …

This is the third tutorial around pagination on Android. We’ve previously guided you through the details of partial responses with pagination using query parameter and response header including a dynamic url for further paginated requests. You see, as we’re showing you three implementations on pagination, this topic is …

Pagination is an important aspect when developing clients against an API. In some cases, API endpoints return only subsets of a given resource set due to the amount of data that needs to be transferred to the client. Loading large data sets can (and should) be split into little chunks …

We've already written two blog posts about Retrofit 2 converters. In almost all cases, the standard converters and their customizations are sufficient to transform your app's data. If you have some special format or some other specific needs, you might need to implement your own custom converter. In this blog …