Articles & Tutorials

The first post in a small post series where Chris Banes explores how to get transitions working nicely with fragments. This post is all about getting them running.

In this second part, Antoni Castejón García talks about applying unit testing to the architecture explained in the first.

Péter Pandula writes on using Kotlin's delegation and sealed classes to simplify working with Intents, Bundles or SharedPreferences.

Annyce Davis shows how its possible to implement GraphQL in a Kotlin project to easily make queries on various datasets.

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This post aims to provide guidelines and implementation for a specific continuous transition between Android Fragments and demonstrates how to implement a transition from an image in a RecyclerView to a ViewPager and back,

In this part, Wojtek Kaliciński talks about the practical examples of ProGuard rules on a medium-sized sample app.

Here's a great Kotlin tip by Preston Garno, where he shows how to use Kotlin destructuring with Regex to simplify your code even further.

In a multi-module project, searching for the right build.gradle can be tricky. Philippe Breault shares a neat trick to rename your modules' build.gradle files to something meaningful.

Eric Decanini goes over why you’d want to use Firebase Cloud Storage over other cloud storage services, and the different ways to go about it.

Rafael Toledo updates us on how to best enable Jacoco coverage reporting with the latest Gradle and Android Plugin.

One of the first things users will want to do with a new smart home device is getting it on their wireless network without a screen or keyboard. Paul Trebilcox-Ruiz shows how the Nearby Connections 2.0 API makes it possible.

Craig Russell details how to download an image from a WebView which is triggered by the user long pressing on the image.

Ataul Munim shares some great in-depth tips on automatic your UI testing with Espresso tests.

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Libraries & Code

AndroidAuto headunit emulator

Android bridge for sending messages between Java and JavaScript in WebView.

RxTest is a Kotlin library for testing RxJava

The usual Snackbar, but elegant

News

At Mobile World Congress, Google is launching ARCore 1.0 along with new support for developers, and we're releasing updates for Lens and rolling it out to more people.

OpenAuto lets you create your own Android Auto head unit with a display, Raspberry Pi, and an 8GB (or larger) microSD card.

Videos & Podcasts

Ahmed Nawara presents on Mobius: A Loopy UI Architecture

In this episode, the team talks to Patrick Nikoletich from Microsofts App Center team.

While in San Francisco, Huyen talks to Anita Singh, Android Engineer for Winnie, about what it was like building the Winnie app from scratch as a solo developer.

Events

We told you that #DroidconBos 2018 was going to be HUGE! With more than 25 speakers for 24 talks, 5 workshops, 3 keynotes and 6 lightning talks, your learning will be off the charts!