Articles & Tutorials

A couple of months ago a team decided to try something new: develop a commercial application entirely in Kotlin, a new programming language by JetBrains.

In this article, you'll see RxJava 2 in a real example within a MVVM structure using Retrofit and learn how you can improve the performance in your app with Network Requests responding to the View’s lifecycle.

Florina Muntenescu encourages everyone to share their knowledge.

In this article, Pablo Guardiola describes briefly how to use sensors in Android, analyzes how they behave under battery optimization modes and explains some tricks in order to solve fragmentation issues.

An introduction to writing simple unit tests for your Android app.

Part 1 covered what Reductor is and how to use it to model state transitions as pure functions. This part continues by showing how to compose them.

Daniel Novak warns developers about properly dealing with process death in your app.

Simon Vergauwen demonstrates how code based Anko layouts in Kotlin are much faster than XML.

To help abstract away the various ways you're using to perform background work, the good folks at Evernote have open-sourced Android Job. Annyce Davis takes a closer look at the library with several examples.

Recently Mark Allison encountered another issue with some puzzling rendering of a VectorDrawable, and in this post he takes a look at some potential gotchas.

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Design

An app to demonstrate Depth Library functionality, for designers and developers.

Jobs

Magic Leap is an eclectic group of visionaries, wizards, and gurus from the fields of film, robotics, visualization, software, computing, and user experience. We are growing quickly and looking for various talented Software Engineers to work in our Application and Application Framework teams.

Libraries & Code

Android library that adds a curve at the below of image views and relative layouts

A library that let you implement a behaviour similar to the Instagram's long press to show details, with the option to put every kind of views inside it.

A simple and customizable two or three states Switch View

This library adds depth/thickness to views.

News

Google published ConstraintLayout beta 4. This release fixes a few bugs related to guideline positioning and use of include tag, plus some additional performance improvement.

Videos & Podcasts

Kotlin Night in London took place October 12th, 2016.The video recordings are now available here for your viewing pleasure.

Join David East from the Firebase team in a eight part series on The Firebase Database for SQL Developers

Surprisingly, the easiest way to grasp the concepts of Reactive programming (via RxJava) is by examples. So in this talk, Kaushik Gopal looks at just 3 examples to help explain.

This lesson describes the various characteristics of a good unit test.

In this 360AnDev talk, Yigit Boyar discusses the overall architecture of the RecyclerView: how it works, what are the priorities, and how you can get the most of it.

Mike Nakhimovich tells us about Dagger 2 scopes, plus a few new improvements he learned attending a tech talk from the contributors: @Reusable and static @Provides