![]() I chose RxJava and Retrofit as my main tools to solve. First adding the methods for POST requests. For many developers including myself, Retrofit has become a standard tool for network interactions. ![]() This class contains the methods which will communicate with the API. In android applications, Retrofit makes use of OkHttp which is a low level Http client fro android created by the same company that created retrofit. This means that we use retrofit to make network calls from our applications. More notably we'll discuss the synchronous and asynchronous API, how to use it with authentication, logging, and some good modeling practices. In this article, we're going to explain how to use Retrofit, with a focus on its most interesting features. Call this class Interface and select Kind -> Interface. What is retrofit This is a rest client library for java and android. Retrofit is a type-safe HTTP client for Android and Java developed by Square ( Dagger, Okhttp ). To create the Interface Class, right-click on the main package and select New -> Java Class. The Communicator methods create RestAdapters that use the Interfaces to perform a server request. To send data to the server, Retrofit uses a Communicator and an Interface class. enqueue (retrofit2.Callback) Asynchronously send the request and notify callback of its response or if an error occurred talking to the server, creating the request, or processing the response. The layout includes two EditText elements (username and password), two Buttons and two TextViews to show the server response. But you won't see the broken-image icon yet, even if you turn off your networkyou fix that in the last task of the codelab. ![]() The only layout needed for this application is activity_main.xml, change it to the below: Depending on the speed of your network connection, you might briefly see the loading image as Coil downloads and displays the property image. Create a new project in Android Studio, choosing a minimum API level of 18 and adding a Empty Activity.Īdd a permission to access the internet to AndroidManifest.xml inside the application tag: Īdd the library dependencies to the dependencies section of the adle (Module: app) file: compile '3:logging-interceptor:3.4.0'Ĭompile '2:retrofit:2.1.0'Ĭompile '2:converter-gson:2.1.0'Ĭompile ':gson:2.6.2' Creating login layout ![]()
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