Articles & Tutorials

Writing good tests is a hard, time consuming and confusing task. In this Post Giulio Petek explains how he's tackling the problem.

How to bring Java 8 data streams to Android.

This article will describe a possible solution to storing an image reference inside a model object using a DrawableSource pattern relying on the "never return null" principle.

This article digs into how can we change tasks execution order in a Gradle script.

One of the most amazing things about Design Support Library is that we can create lively animated UIs with some simple configuration in XML. No code nor deep control about scrolls is required, so the process becomes really easy.

Here’s a list of things to keep in mind as you’re writing your first Android apps. These lessons are derived from actual mistakes that the author made in his first app.

Mark Allison is taking the RSS Reader app from the Material series, and re-writing it to make full use of the new Design Support Library. In this article he looks at how well the new components introduced in the design support library behave on older versions of Android.

Presenters and Activities violate the principle of single responsibility. They are often responsible for binding data to a View and for responding to user input/actions. This can cause both Activities and Presenters to become bloated.

Sponsored

Every week brings another report of apps leaking data or being attacked. Come to CommonsWare's September 30 seminar in New York City on securing your apps and their users. Learn more about the Android M permission system, on-disk encryption, validating signatures, SSL, device admin APIs, and more!

In 1 week on the Hired Marketplace, you'll get 5+ offers from top tech companies around the US and UK. Want to learn more? Check out Hired today!

Jobs

Netflix is an excellent place for developers to work. Our unique culture and exceptional values are helping us to reinvent TV around the globe (150 more countries in 2016). Our top-rated Android app has millions of users daily. We'd love for you to join!

Novoda is a Vibrant App Development Company based in London, Liverpool, Berlin and NYC .If you are passionate about the future of Android interconnected devices we would love to hear from you.

Libraries & Code

TourGuide is an Android library. It lets you add pointer, overlay and tooltip easily, guiding users on how to use your app

Process Phoenix facilitates restarting your application process. This should only be used for things like fundamental state changes in your debug builds (e.g., changing from staging to production).

Mortar Architect provides a flexible stack for navigating and displaying views and their presenters, using the MVP pattern with Mortar

JSR-310 was included in Java 8 as the java.time.* package. It is a full replacement for the ailing Date and Calendar APIs in both Java and Android. This library makes the JSR-310 Java 6 backport Android friendly.

News

Google has released an update to the M Developer Preview that includes fixes and updates based on your feedback.

Tools

Sebastiano Poggi cooked up a small gist that will help you turn your device screencasts into GIFs that you can use into PRs, on the web, etc.

This small shell script will copy the database from your device on your file system and then launch SQLiteBrowser on it, allowing you to inspect your tables very quickly.

The Android Tools team just released Android Studio 1.3 RC 1 to the canary channel, which includes the preview of Android NDK C/C++ support!

Videos

Ivan Morgillo's talk from droidconDE 2015 is a practical journey from basic Reactive Programming and Observer Pattern concepts to the main feature of RxJava, with practical code examples and a real-world app.