Articles & Tutorials

Matt Luedke introduces a few common design patterns for Android that you can use while developing apps.

ObjectBox is a new mobile object database optimized for performance. With ObjectBox, the greenRobot team is bringing technology from NoSQL server databases to mobile.

The best practices approach for organizing Android applications into logical components has evolved over the last few years. The community has largely moved away from MVC to MVP and MVVM patterns.

Mirek Stanek introduces his unofficial Google Actions Java SDK along with some examples.

Here's how to implement a visually appealing animated Floating Action Button.

Paweł Gajda researched the upcoming changes released in past four EAP milestones and goes through those that might impact Android Development.

Femi Taiwo realized that properly setting up your Firebase rules to protect your database can be difficult, so here's a three-part series on this — first and second on Firebase Realtime Database Rules and the next on Firebase Storage Rules.

In the previous part Hannes Dorfmann discussed how to implement a simple screen with the Model-View-Intent pattern with an unidirectional data flow. In this blog post he builds a more complex screen with MVI with the help of a state reducer

Antonio Leiva demonstrates the power of Kotlin's data classes.

In this final article of the series, Mark Allison extends the Android Things app further to include barometric pressure, as well.

If you’re creating a gradient in xml with a part being completely transparent, be really careful when using @android:color/transparent.

In the spirit of continuous app store optimisation (ASO), the Novoda team decided to find out if they could increase downloads by adding emojis to an app’s short description in the Play Store.

Donn Felker shows that it really is possible to use Test Driven Development with your UI layer.

The Philosophical Hacker worries that espresso and espresso recorder are contributing to the formation of a UI testing addiction in the Android community. He worries, moreover, that this addiction that will probably lead to less testing in the long-run.

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Jobs

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Libraries & Code

A SeekBar suited for showing a preview of something. As seen in Google Play Movies.

Android project to experiment various testing tools

FunctionalRx2 is a collection of constructs to simplify a functional programming approach to Java and Android

Gradle tab completion for bash and zsh

ObjectBox is a superfast mobile database for objects

A lightweight library which helps to create a view stack as a replacement for fragments and activities, provides transitions and persistence

An Android image transformation library providing cropping above Face Detection (Face Centering) for Picasso.

This library contains a backport of the Android 7.0 network security configuration subsystem

News

Android Studio 2.3 Beta 3 includes a several bug fixes, and performance improvements.

This new version includes the ParallelFlowable API that allows parallel execution of a few select operators such as map, filter, concatMap, flatMap, collect, reduce and so on.

Videos & Podcasts

While in London, Huyen asks Anastasia López about her Droidcon London talk about the Android community and diversity and how we can "Be together, not the same" by doing small things to improve our every day culture.

The team speaks to Jake Wharton about his interest in Kotlin and the adoption process at Square. They cover one of Jake's favourite features which are extension functions and properties and how RxBinding creates these by parsing Java source code.

In this episode the Fragmented team change the tune and talk with Raveesh Bhalla; Raveesh is a GDE for design specialized in UI/UX.