In our last Retrofit post we've given you an introduction to converters. In this blog post, we want to dive deeper into the most common format: JSON. After demonstrating the integration of the Gson converter, we'll also show you how to customize Gson's mapping rules. If you prefer to catch …

In the past months we've shown you a wide variety of Retrofit features. In this blog post we'll explore a new area: mocking. Specifically, we'll introduce to you techniques to set up mock server responses on the phone. If you want to learn about other Retrofit topics, check our list …

In this blog post, we'll explore a topic which might be very interesting for some of you: low level parsing with Gson. In the past 25+ blog posts, we've reiterated that the best and bug-free way is to use as much automatic mapping as possible. Nevertheless, in some cases, you …

In the previous tutorial on ListViews with images we've only looked at examples where the entire adapter item is an ImageView. The approach still applies if one or more ImageViews are only a (small) part of the adapter item. Your getView() code will look a little different, but the loading …

In a previous blog post we've shown you how to enable logging of requests and responses with Retrofit 2. We also explained that you should only enable logging for development builds only. We recommended that production versions should have logging disabled. In this blog post we'll show you how to …

In this blog post, we'll extend the journey on writing a custom Gson serializer. In the first part we've shown all basics of setting up the code to customize Gson's JSON serialization. If you haven't read it yet, you might want to do so now, since this blog post is …

In the past, we've explored how to add request headers with Retrofit and how to statically change request headers with OkHttp. In this blog post, we'll dig into how you can add a dynamic amount of request headers to your Retrofit requests. This is a new feature of Retrofit 2. …

In this blog post, we'll show how you can simplify the customization of (de)serialization. In the past few blog posts, we've demonstrated how to customize serialization, deserialization and how to utilize instance creators. All of those options were only available via a custom Gson instance and some boilerplate code. …