Travis CI is a sophisticated continuous integration and deployment service. It integrates with GitHub and runs tests on events like commits or pull requests. {{outline}} {{video}} At this point, we published two hapi plugins. Testing both plugins is an essential part of our development flow to know they are mature …

Retrofit is an excellent library to load data from an API or website. In a previous tutorial, you've learned how to load data from Wikipedia with jspoon. However, we didn't cover displaying that data. In this tutorial, you'll use a RecyclerView to display the section titles of a parsed Wikipedia …

Returning the result of a long-running function at a later time is an important aspect of programming. A lot of high-level programming languages have the asynchronousity build in (e.g. C# with delegates) or it’s part of the language nature that it even leads to a callback hell (Node. …

While implementing the first routes of your REST API, you noticed that requesting all shows returns ALL shows. With a growing set of TV shows, your API response will grow respectively. To reduce the amount of outgoing JSON data, implement pagination and let users fetch data when needed. {{outline}} Overview …

Testing in hapi builds on top of a single method: server.inject. Injecting requests is a core element in testing your hapi app. A previous tutorial walked you through the basics of injecting requests to test route handlers. What we didn’t cover there is the ability to inject requests …

Gson is awesome in making conversion from JSON to Java classes easy for us developers. With a few lines of code, you can pass JSON and get fully-mapped Java objects back. However, one pain point of using Gson is setting up appropriate Java POJO classes. Creating a POJO class based …

A lot of readers on our Retrofit series are just starting out with developing software or are new to Java/Android. We're really happy to welcome all new developers! We've received many questions, which were caused by implementing apps with Retrofit, but not actually specific to Retrofit. Consequently, we decided …