Kotlin is a functional language, and in this post, you'll learn about extension functions, higher-order functions, closures, and inline functions in Kotlin.

Learn about top-level functions, lambda expressions, anonymous functions, local functions, infix functions, and member functions in Kotlin.

Learn about LiveData, an observable data container in Android Architecture Components. We'll also cover features like Transformations and MediatorLiveData.

In this tutorial, we'll start by looking at how to organize code using packages in Kotlin, and then go on to an introduction to functions in Kotlin.

Kotlin is free and open source, and makes coding for Android more fun. In this tutorial we'll look at advanced data types such as ranges and collections.

Kotlin is free and open source, and makes coding for Android even more fun. In this tutorial, we'll look at nullability, loops, and conditions in Kotlin.

In this tutorial we'll continue our exploration of Android's Architecture Components. We'll take a close look at the Lifecycle and LiveModel components.

Kotlin is a modern programming language that compiles to Java bytecode. It is free and open source, and promises to make coding for Android even more fun.

In this short tutorial, you'll learn everything you need to know to aptly use Java's Single Abstract Method (SAM) interfaces in Kotlin code.

In this tutorial, we'll look at the main elements of the new Android Architecture Components: Lifecycle, ViewModel, LifeData, and Room.

If you want to code a mobile app, you need to know a programming language. In this post, I'll help you pick the best mobile development language for you.

If you're developing an Android app that interacts with a back-end server, you need to defend against bots. Learn to do so with the SafetyNet reCAPTCHA API.