Articles & Tutorials

Want to make image editing fast with a few lines of code? Want to use the computing power of your phone’s GPU without the complexity of OpenCL? Well, renderscript is meant for you.

This articles dives into the meanings of Task, Process, Activity, Fragment, Context & more.

It turns out that many libraries and SDKs cause major startup delays and other performance issues. These delays can be hard to track down because developers typically have little to no knowledge of the library or SDK’s implementation

Dmytro Danylyk wrote this article because the GridLayout layout has been unfairly forgotten, but remains quite useful in some situations.

Donn Felker continues his series, this time with the Interface Segregation Principle

Technical audits of iOS and Android applications have become an integral part of the Karumi team's daily job. In this document they review what we believe are the most important things to check, separated by technical area.

With the right tools, skipping accessibility is a compromise you don’t have to make. Here are some ways to help your team ensure that accessibility is added and part of testing your final product.

In part 8, review how to properly manage the orientation change in the device and see how to handle runtime changes so we don’t lose the already requested news, all in a usable Kotlin app.

Introducing a new REST mocking library and how it can be used.

Dávid Karnok takes a close look at the implementation details of Google's new reactive implementation, Agera.

Google has released Android Studio 2.1, with support for Android N development.

Alexandru Simonescu details how to use SQLDelight wrapper library in your own app.

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Spend less time on routine tasks with Sympli—a design handoff and collaboration tool that works with Sketch, Photoshop, and your IDE. Sympli Android Studio plugin extends autocomplete and allows you to inspect mockups, sync assets, and set automatic asset renaming rules to implement design quicker.

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Jobs

We are a spin out from the award winning Computer Science dept at the University of Oxford developing cutting edge indoor location services. Join our talented team in the centre of Oxford to help us bring our technology to new markets.

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Libraries & Code

Google just released a Agera, a set of classes and interfaces to help write functional, asynchronous, and reactive applications for Android. You'll find an introduction in the wiki and be sure to check out the issue where it's compared to RxJava.

A library that allows you to enable/disable features and/or part of code regarding a Context

retrolambda is a backport of Java 8's lambda expressions to Java 7, 6 and 5. This is a special fork by Jake Wharton that contains several optimizations that help reduce the number of generated methods per lambda.

RxJava wrapper for Google Drive Android API

RESTMock is a library working on top of Square's okhttp/MockWebServer. It allows you to specify Hamcrest matchers to match HTTP requests and specify what response to return.

News

This release includes support for Android N, many of the language features in Java 8, a semi-official switch to the Jack compiler, an updated New Project wizard, and further improvements to the new and faster Android Emulator.

Videos & Podcasts

Learn more about Android Studio 2.1 on Android Tool Time with Reto Meier

Kenneth, Kevin and Len are joined by Rebecca Franks to discuss the world of mobile development for Android, Google's developer platform and her recent Google Developer Expert accolade.

In this very first edition of a Decompress episode the guys talk about the fonts they love to use, some Xcode hating, Testing woes and the intensely discussed library that Google recently released Agera!

An introductory look at AutoValue, the Java library for creating immutable value types with ease, and how it can help you write better code, faster.

Huyen talks with Roberto Orgiu, Turin-based Android developer and member of the Droidcon Italy crew, to talk about Zeroconf and Droidcon Italy.

Specials

Want to find out how you compare to other developers in your country, based on programming language, dev tools used, or type of software? Take VisionMobile’s 15-minute Developer Tools Benchmarking survey to talk about what’s fantastic or frustrating about the tools you’re using, describe what you're building, why, and where you go to find out how.