In the last tutorial, we've laid out the basics of loading images into Glide targets. If you haven't read it yet, please review the it in order to learn the basics for this tutorial. This week, we're continuing with two additional special purpose targets: notifications and app widgets. If you …

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 …

After the last three tutorials revolved around optimizing the flow of Glide and improving the user experience, the next few tutorials will be about using callback techniques with Glide. So far, we've always assumed we're loading the images or Gifs into an ImageView. But that might not always be the …

Hawk authentication is sort of the underdog in the class of authentication types. It’s been officially around since November 2012 when Eran Hammer (aka hueniverse) published the first version. Since than, the HTTP authentication scheme has evolved to its current version 6.x. This tutorial guides you through the …

In the last few tutorials, we've looked at ways to optimize the user experience when loading and displaying images. Caching images already takes a big step to a smooth user experience. However, if the image is very large, the processing can take a while until it is displayed. In this …

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 …

Last week, we've looked at a critical piece of image loading: caching! If you missed it, give it another look, it's worth it. This week, we'll go through another important feature of Glide: ordering image requests by prioritization. Notice — August 31st 2017 Glide has released a 4.0.0 version. …

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} …