For any app that communicates remotely, it's important to consider the security of user information that is sent across a network. In this post, you'll learn...

Learn about how to write UI tests with the Espresso testing framework and automate your test workflow, instead of using the tedious and highly error-prone...

The Intent is one of the fundamental building blocks of an Android app. The best way to master Intents is by taking our new short course, Kotlin Android...

With Flutter, you can effortlessly create complex animations that run at 60 frames per second on most devices. In this tutorial, I'll help you understand the...

Learn about the Paging library from the Android Architecture Components suite and how to use it to create a smoother user experience for large data sets.

The Flutter framework offers a few handy widgets you can use to efficiently, and with minimal code, display lists and grids in your apps. Learn how to use...

How can RxJava help you solve the real-world problems you'll encounter when developing Android apps? We use RxJava 2.0, RxBinding and RxAndroid to create a...

If you've previously used RxJava or RxAndroid and want to make the switch to Kotlin, or want to start reactive programming with Kotlin, this tutorial is for...

If you want to develop Android apps, you need to understand how to create and use Activities. Our new course, Android Fundamentals: Activities, is the...

Flutter has, in recent months, become one of the most popular frameworks for developing cross-platform mobile apps. If you are interested in reactive...

The MotionLayout widget is a successor to the widely used ConstraintLayout widget. MotionLayout is a unique widget that allows you to animate its contents...

Slices are shaping up to be an important tool to keep your users coming back for more, so now’s the perfect time to get some hands-on experience with this...