Android weekly 195

ARTICLES & TUTORIALS

Building a Kotlin project 1/2 (cirorizzo.net)

The best way to learn a new language is to use it in a real use case. This new series by Ciro Rizzon is focused on building a proper Android project using Kotlin.

Building a Kotlin project 2/2 (www.cirorizzo.net)

In the previous post Ciro Rizzo started a new project from scratch. In these next steps he's programming of the elements of the app.

MediaBrowserServiceCompat and the modern media playback app(medium.com)

MediaBrowserServiceCompat and MediaBrowserCompat serve as a pre-built communication protocol between your media playback Service and other components. Ian Lake describes how.

Clear the app data quickly (medium.com)

When developing an app, you’ll surely have encountered situations when you need to clean up the data directory. Sebastiano Poggi shares a tip on how to do this quickly.

Presenter surviving orientation changes with Loaders (medium.com)

Antonio Gutierrez shares a way to keep an instance of a Presenter available via Loaders.

RxAndroid Basics: Part 2 (medium.com)

Kurtis Nusbaum continues his series of RxJava introductory articles, this time focusing on Subjects and the map() operator.

Indeterminate – Part 4 (blog.stylingandroid.com)

The previous article Mark Allison created a custom Drawable which is capable of drawing an arc. The next logical step is to create a set of object Animators which will change these values over time and therefore create the animations that are needed.

Model View Presenter MVP in Android, part 1 (www.tinmegali.com)

In the first part of this article Tin Megali discusses the main differences between MVC (Model View Controller) and MVP (Model View Presenter), why MVC is being dropped, how MVP adjusts to Android SDK and its greatest advantages.

Let Mosby Flow - An alternative to Fragments (hannesdorfmann.com)

The usage of Fragments in Android apps is highly controversial in some circles. Hannes Dorfmann gives a short introduction of how to use Mosby 3.0 (SNAPSHOT) to build MVP base screens and square’s Flow library as navigation stack replacement.

DESIGN

No Detail Is Too Small (androiduiux.com)

Taylor Ling takes a look the new IMDb app, where he shows what’s wrong with the app in terms of design and which part of the Material design guideline is meant to address the mentioned issue.

LIBRARIES AND CODE

Compile time ORM and SQL query library for Java & Android (github.com)

A light but powerful ORM and SQL query generator for Java/Android with RxJava and Java 8 support.

bansa: A state container for Kotlin & Java, inspired by Elm & Redux(github.com)

This is a take on Redux, the state container for JavaScript apps, oriented toward developers who like RxJava and Kotlin!

RxFit: Reactive Fitness API Library for Android and RxJava(github.com)

This library wraps the Fit API in RxJava Observables. No more managing GoogleApiClients! Also, the authorization process for using fitness data is handled by the lib.

TOOLS

Tips on debugging Android apps (goo.gl)

Zarah Dominguez talked about stuff at the Android UG meetup.. but mostly about debugging. Here's her slide deck with great tips on using the Android Studio debugger.

AndroidDevMetrics - metrics for Android development (frogermcs.github.io)

Dagger2Metrics was a good start to help us look for performance issues in Android apps by showing the time is needed to initialize particular objects in Dagger 2. Now this tool has grown to be a part of something bigger.

VIDEOS AND PODCASTS

The Journey of Android Engineers Tech Talks(corner.squareup.com)

Recently, John Rodriguez, Effie Barak, Eric Burke, and Christina Lee gave lightning talks and participated in a panel discussion at our “Journey of Android Engineers” event in Square’s San Francisco office.

Clean Architecture (vimeo.com)

Uncle Bob talks about the lost years of architecture, about how the web is just a detail, and about the best kind of architecture to use for your applications.

Material Design for developers with GDE Mike Wolfson (fragmentedpodcast.com)

In this episode we talk to Material Design Master and Google Developer Expert Mike Wolfson.

Android Dialogs: Hiroshi Kurokawa (www.youtube.com)

While at DroidKaigi, Huyen takes Hiroshi Kurokawa away from his duties as part of the DroidKaigi staff to chat about the conference and custom operators and observables in RxJava.

SPECIAL

Android Studio Survey (goo.gl)

The Android Studio team is requesting your feedback.