Learn Android Development

Learn to build feature-rich Android apps with Java, Kotlin, and other programming languages using Android Studio. Master Android development with these tutorials.

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Machine Learning

How to Code Natural Language Processing on Android With IBM Watson

Tutorial • Intermediate

Use IBM Watson's natural language services to create an app that translates from one language to another and extracts sentiment, entities, and emotions.

Ashraff Hathibelagal • 27 Sep 2017
Android Development

Concurrency in RxJava 2

Tutorial • Intermediate

Learn how to to achieve concurrency in RxJava with Schedulers, the subscribeOn() operator, the observeOn() operator, and the flatMap() operator.

Chike Mgbemena • 26 Sep 2017
Functional Programming

Kotlin From Scratch: Advanced Functions

Tutorial • Intermediate

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

Chike Mgbemena • 21 Sep 2017
Machine Learning

Use Machine Learning to Recognize Images With IBM Watson

Tutorial • Intermediate

Learn how to use IBM Watson's Visual Recognition service to create an Android app that can guess a person's age and gender and identify objects in an image.

Ashraff Hathibelagal • 18 Sep 2017
Design Patterns

Android Architecture Components: LiveData

Tutorial • Intermediate

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

Tin Megali • 5 Sep 2017
Android Development

How to Add Multiple Instant App Features to Your App

Tutorial • Advanced

Learn how to add a feature module to your instant app, and then discover how to get your finished instant app project into the Google Play store.

Jessica Thornsby • 23 Aug 2017
Android Development

Kotlin From Scratch: Nullability, Loops, and Conditions

Tutorial • Beginner

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.

Chike Mgbemena • 16 Aug 2017
Design Patterns

Android Architecture Components: Lifecycle and LiveModel

Tutorial • Intermediate

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.

Tin Megali • 14 Aug 2017
Android Development

How to Create an Instant App Feature

Tutorial • Intermediate

Learn how to update any existing project to support Android instant apps. You'll also learn how to implement App Links in your Android projects.

Jessica Thornsby • 8 Aug 2017
Functional Programming

Quick Tip: Write Cleaner Code With Kotlin SAM Conversions

Tutorial • Beginner

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.

Ashraff Hathibelagal • 7 Aug 2017
Android Development

How to Monetize Your Android Apps With AdMob

Tutorial • Beginner

In this tutorial, you'll learn how to integrate AdMob so you can make advertising money from your awesome Android app—come on, who doesn't want that?

Chike Mgbemena • 2 Aug 2017
Android Development

What Are Android Instant Apps?

Tutorial • Intermediate

Android Instant Apps make your app discoverable and accessible from any location that supports URLs. Learn all about how Instant Apps work in this post!

Jessica Thornsby • 31 Jul 2017