There are multiple ways to send data from your client to a server. This post continues the first article on how to use form-urlencoded requests with Retrofit to transmit data with your request. If the API you’re going to request accepts a simple JSON payload for processing, this approach …

Multiple methods exist to send data to your server. You may already know how to send data within the request body or how to make use of multipart/form-data to upload files using Retrofit. If not and you’re interested, follow the lead :) There’s another type available to send …

Last week we’ve learned about CoreOS’ components and technologies within the ecosystem. This week, we’re directly diving into the practical part and get our hands dirty. If you read the first post, you already know that CoreOS is an operating system geared towards high-availability. Setting up a cluster …

The latest release of Retrofit 1 (1.9.0) directly depends on OkHttp 2.2.0. For Retrofit 2, the developers introduced multiple breaking changes, because Retrofit in its second major release actually uses OkHttp instead of working with and around it. That means, OkHttp got a lot attention and …

Two weeks ago, you’ve seen how to log requests and responses for debugging purposes. Requests might not finish successfully and you have to take care of failure situations. Most of the time, you need to manually apply the correct action like showing an error message as user feedback. If …

Retrofit 1 integrated a log feature for basic request and response debugging. The logging functionality was removed in Retrofit 2, since the required HTTP layer is now completely based on OkHttp. Since many developers asked for logging capabilities in Retrofit 2, the developers of OkHttp added a logging interceptor in …

The previous tutorials guided you through various use cases of Retrofit and showed you opportunities to enhance the app with Retrofit’s built-in functionality. This tutorial will show you how to upload a file to a backend server using the second major release of Retrofit, namely Retrofit 2. {{outline}} {{video} …

In the previous tutorials you've looked at displaying images from all kind of sources. You've learned how to manipulate the image display, change the size and scaling of the images with standard options. This tutorial will show you a unique feature of Glide: displaying Gifs and thumbnails of local videos. …