Prerequisite note: You’ll need Android Studio 3.0 or greater and a working knowledge of developing for Android with Kotlin before starting this tutorial.

How to change the layout of RecyclerViewįor this tutorial, you’ll use the sample app Galacticon to build out a feed of astronomy photos from a public NASA API.

The purpose and components of RecyclerView.

In this tutorial, you’ll experience the power of RecyclerView in action and learn:

Google announced a support library to make this clean, green recycling machine backwards compatible all the way to Android Eclair (2.2), released in 2010. The result? Recycling enthusiasts and developers alike rejoiced at the release of the RecyclerView widget for Android Lollipop. Applying this concept to development, Android engineers realized recycling can also make an OS run efficiently. It’s a way to make sure we’re not buried in our own rubbish or lacking resources in the future. Darryl Bayliss wrote the original and Rod Biresch provided the original update.

Update note: Kevin Moore updated this tutorial for Kotlin, Android 28 (Pie) and Android Studio 3.3.

Android studio recyclerview item layout