Another great year for us Android developers has passed. It's time to get excited for the new year 2018! It's also time to reflect and plan for the next twelve months: What should we learn? What's the next big thing in the Android world? Here is our high-level view of …

Call adapters are a powerful tool for Retrofit developers. You've learned the basics of Retrofit call adapters in our introduction to call adapters tutorial. We've also published a tutorial on how to integrate RxJava 1.x flow interfaces to your Retrofit callbacks. In this tutorial, you'll learn how to integrate …

Loading images from a server is an error-prone process. The server can be down, the user can be on a slow mobile connection, or completely lose Internet connection. By default, Glide has some timeouts set for you to balance between waiting long enough for the image to be loaded and …

Retrofit is mainly used to interact with well-defined REST APIs. Nevertheless, you can also use Retrofit to crawl HTML sources of websites. In this tutorial, you'll explore how to utilize jspoon and Retrofit to automatically extract content from Wikipedia. In a practical example you'll understand the basic functionality of jspoon …

Android apps usually interact with REST APIs, which often use JSON as a data format. We've focused almost all of our tutorials on sending JSON or XML requests, and converting JSON or XML responses. We briefly explored other data formats in our introduction to converters tutorial, but didn't go into …

Glide 4.x has introduced a new feature: the generated API. You've learned the basics of this new feature in our generated API tutorial. One upside of the generated API is that it's easy to extend. This allows you to centralize implementation patterns in your app. In this tutorial you'll …

A lot of professionally made apps use a bug tracking service, which collects errors and crashes of all users and lets us, as the developers, further improve the app by fixing the issues. The default Retrofit request callbacks offer an onFailure() method, which throws a variety of possible errors in …

In the last tutorial we've introduced Retrofit call adapters. In this tutorial, you'll benefit from learning how to implement a custom call adapter, and you'll see how to separate the onResponse callback into more useful callbacks. By the end of the tutorial, you won't need to write this boilerplate code …