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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Design Patterns

Android Design Patterns: The Singleton Pattern

Tutorial • Beginner

The Singleton Pattern is a software design pattern that guarantees a class has one instance only and a global point of access is provided by that class.

Chike Mgbemena • 19 Jul 2017
Android Development

Android O: Phone Number Verification With SMS Tokens

Tutorial • Intermediate

In this tutorial, you'll learn about the new cool SMS token feature in Android O. You'll learn how to generate an app-specific token for phone verification.

Chike Mgbemena • 14 Jul 2017
Android Development

How to Add CAPTCHAs to Android Apps

Tutorial • Intermediate

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.

Ashraff Hathibelagal • 12 Jul 2017
Android Development

Android Things: Creating a Cloud-Connected Doorman

Tutorial • Beginner

Android Things lets you make amazing IoT devices with simple code. In this post, I'll show you how to put it all together to build a more complex project!

Paul Trebilcox-Ruiz • 4 Jul 2017
Animation

Adding Physics-Based Animations to Android Apps

Tutorial • Beginner

Learn how to use Dynamic Animation to create physics-based animations in an Android app that closely resemble the movements of objects in the real world.

Ashraff Hathibelagal • 28 Jun 2017
Machine Learning

How to Use the Google Cloud Vision API in Android Apps

Tutorial • Intermediate

In this tutorial you'll learn how to add smart features such as face detection, emotion detection, and optical character recognition to your Android apps...

Ashraff Hathibelagal • 20 Jun 2017
Android Development

Google I/O 2017 Aftermath: What's New in Android Studio 3?

Tutorial • Beginner

In this post, you'll get hands-on experience with some of the new features coming up in Android Studio 3, including built-in support for the Kotlin...

Jessica Thornsby • 8 Jun 2017
Android Development

Google I/O 2017 Aftermath: What's New for Android Wear?

Tutorial • Intermediate

At this year’s event, Google announced that the various components that make up the Wearable Support Library are going to be deprecated, merged, or migrated....

Jessica Thornsby • 5 Jun 2017
Testing

Ensure High-Quality Android Code With Static Analysis Tools

Tutorial • Beginner

We'll learn about how to ensure high-quality Android code in our projects using some static code analysis tools for Java. We'll look at Checkstyle, FindBugs,...

Chike Mgbemena • 30 May 2017
Machine Learning

Create an Intelligent App With Google Cloud Speech and Natural Language APIs

Tutorial • Intermediate

In this tutorial, I'll show you how how to use the Google Cloud Speech and Natural Language APIs to create Android apps that can process speech in many...

Ashraff Hathibelagal • 26 May 2017
Android Development

How to Use Android O's Autofill Framework

Tutorial • Advanced

Android O brings autofill functionality to Android apps. As an app developer, you can use the new Autofill Framework to create your own custom autofill...

Ashraff Hathibelagal • 18 May 2017
Android Development

How to Solve Android’s 13 Most Common Error Messages

Tutorial • Beginner

At first glance, Android's error messages may not seem all that helpful, but they actually contain all the information you need to get your project back on...

Jessica Thornsby • 9 May 2017