This post on Android user data security will focus on credential and key storage. It will begin by introducing account credentials and end with an example of...

In our new course, Upgrade to Java 8 for Android App Development, you'll learn how to use Java 8 and the powerful benefits it offers when developing Android...

In the previous posts, we created an Android widget that retrieves and displays data, responds to onClick events, and updates on a schedule and on demand....

If you're storing user data, it's critical that you do so securely. This tutorial will get you up and running by looking at the storage system and how to...

In the previous post, we created an Android widget that retrieves and displays data, and responds to onClick events, but this widget is still missing one...

Learn how to build a material design settings screen in Android using the Preferences and SharedPreferences API.

In this post, you'll find out how to create a widget that lives on the Android homescreen, retrieves and displays data, and responds to onClick events.

Learn how to show different kinds of material design dialogs in Android, and how to style a dialog and prevent it from being dismissed on orientation change.

Learn how an Android Layout defines the visual structure for a user interface, such as the UI for an activity or app widget.

Learn how to use type annotations, the Stream API, functional interfaces and Java 8.0's new Date and Time API in your Android projects.

Creating multithreaded Android applications doesn't have to mean lengthy code. Learn about Kotlin's useful techniques for running operations in parallel.

Learn about exceptions and how to handle them in Kotlin. We'll look at checked and unchecked exceptions, the try construct, @Throws, and more.