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Android Tutorial: Retrofit + RecyclerView + REST API

Most Android apps need data from a server, whether that's Firebase, AWS, Google Cloud Platform, or some other cloud database. Android Developers can use Retrofit to parse JSON data from RESTful API's. See how to convert JSON into a RecyclerView with Android Studio in this tutorial. Previous video:

Medium Articles

Android and RxJava: Getting Started

RxJava is a beast to learn, but it can be useful in just about any type of Android app. Today, let’s get started with RxJava basics, and how we can use it to build a simple app.

Android SharedPreferences Tutorial in Kotlin

Saving data across app launches and terminations is easy. SharedPreferences is good for storing small amounts of data, such as a username (String) and password (String).

Android Architecture Components Tutorial: ViewModel + LiveData

Use Kotlin to build a basic Android app using Android Architecture Components. As part of Jetpack, LiveData and ViewModel support a MVVM app architecture.