Articles & Tutorials

This post is focused on examining the ConstraintLayout container architecture and how it does its job.

Here are some important tips to consider when creating an open source library.

In this post Savelii Zagurskii showcases a solution for the situation where a developer has an external library which is very slow to load and initialize.

Whether you’re building an app for a remote viewfinder, to set up a connected light bulb, or to control a quadcopter, if it’s Wi-Fi based you will need to connect to a hotspot that may not have Internet connectivity.

The team at Robinhood open sourced their gorgeous ticker text control.

This post covers Doze Mode in more detail, the changes that are coming with Android Nougat and what you can do to correctly adapt to Doze Mode.

MVVM + RxJava is a great formula for an app architecture making it scalable and maintainable. Here are a few lessons learned along the way.

Roberto Orgiu examins the new Awareness API, which combines 7 different feeds managing both the battery drain and the used memory.

In this blog post Hannes Dorfmann gives you a brief history of the Repository Pattern and discusses why it could lead to over abstraction and over engineering.

With these three tips, we can obtain a greater ROI from our crash reporting implementation and gain more insights into the application.

There's a trick to create() an observable that supports backpressure in a proper way. It turns out that there’s a helper class called SyncOnSubscribe that does this. But how do you use it?

Dan Lew often sees confusion around Android View constructors. In this article he tries to answer all your questions.

There are several articles that show how to start working with DI. Here Mirek Stanek shares his more advanced experiences with Dagger 2 after almost two years of having this in a production app.

Here’s another way of explaining reactive programming: this time with Donald Duck and his nephews.

Should we actually be using ConstraintLayout in “real” projects yet? The short answer is “No”, but firmness of that “No” is diminishing with each release.

David Karnok documents the meaning of backpressure in Reactive extensions.

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Jobs

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We have fully embraced RXJava, using it for all async operations. We investigate and utilize new third party libraries, including but not limited to Butterknife/OkHTTP/Retrofit/Guava (not new but grrreat!) /Picasso/ Roboelectric/ Mockito, etc. etc. We were out with the release of Wear & Google Fit.

Libraries & Code

An Android text view with scrolling text change animation

Simple and powerful MVP library for Android

News

Google Play is investing in improvements to reduce the data that needs to be transferred for app installs and updates, while making data cost more transparent to users.

Google has released Developer Preview 5, the last milestone of this preview series.

Videos & Podcasts

Build great individual notifications, group them together, then create a summary notification - used on older Android versions and to build the bundle’s header on API 24 devices.

In this show Kaushik talks to Dan about translating an app for other languages.

Rebecca Franks takes a look at how you can improve your users experience by reducing their mobile data usage. Three areas for improvement are covered, areas such as Server Interactions, Images and your Bundled APK size.

Events

There are thousands of ways to enrich mobile apps with big data from space - what's yours? Enter the challenge and seize the opportunity to meet with like-minded people, create mobile applications using satellite data und gain insight into ESA's work.