![]() call the method we defined in our interface, and handle the result addConverterFactory(GsonConverterFactory.create(gson)) use retrofit to create an instance of BookServiceīookService service = new Retrofit.Builder() create an instance of gson to be used when building our service Retrofit2 supports a number of converters used to map Java objects to the data format your server expects (JSON, XML, etc). ![]() So how do we use this interface to make requests to the API? Use Retrofit2 to create an implementation of the above interface, and then call the desired method. As you can see, an implementation of this interface will return a Call object containing a list of books. Note that the annotation takes the endpoint we wish to hit. Public interface BookService getAllBooks() A GET request to load all books could look something like this: Once we’ve defined the class, we can make a service interface to handle our API. To get started, let’s look at an example that makes a GET request for books. Retrofit2 is a flexible library that uses annotated interfaces to create REST calls. In this post, I’ll discuss the basics of getting started with Retrofit2, as well as a few tricks I’ve found useful when using it. ![]() ![]() In a current project, we chose to use Retrofit2, a library developed by Square. It’s often necessary for your app to communicate with a RESTful server. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |