Articles & Tutorials

Márton Braun shares his first impressions about what it's like to use Compose at the moment, and some of the best places to learn more about it.

The Compose team just made public the internal API guidelines that they have been trying to follow for Compose APIs.

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Have you ever wondered how fast your Realtime Database operations are for your users in the real world? Sam Stern shows how to use Firebase Performance Monitoring to measure it.

In this second article, Enrique López-Mañas keeps reflecting on some relevant aspects to consider when Java is calling Kotlin.

Learn how to implement biometric authentication in your Android app by using the Android Biometric API to create an app that securely stores messages.

Take a quick look at how we can build a custom TopBar that supports the ability to fade-in based on the values within a ScrollState reference.

Igor Escodro describes some gotchas when using StateFlows with ViewModels and Jetpack Compose.

Nick Skelton noticed some common anti-patterns that tend to arise while using Coroutines and Flow. In this article, he outlines how to recognize and refactor four of the most common cases.

Jorge Castillo writes a short overview of sealed interfaces coming up in Kotlin 1.5.

Seeing a Gradle build that seems abnormally slow on a computer? Nate Ebel shares some tips for tracking down the culprit.

This article breaks down Dagger 2 into an approach that makes it seem easy to use.

Mark Allison examines a new API that has appeared in Android12: RenderEffect. It is a powerful API that is very clean and simple to use and also highly performant.

Patxi Bocos examines how state is handled in Jetpack Compose.

Gurgen Gevondov analyses some of the subtle differences of using a lambda vs a method reference in Kotlin.

Check out this Kotlin tutorial and learn how to make integrating Google Pay a little easier.

Have you ever wanted to navigate between two Composables and wish it were super easy? Gabor Varadi makes it possible with Simple-Stack’s Compose integration.

Design

The science behind visual acuity, legibility, and text size

Denis Crăciunescu describes how to bring your app to life and guide users with Material Motion transitions.

Preethi Srinivas and Paris Hsu of the Android Developer UX team invite you into their world and walk you through the journey so far of how they have approached designing Preview for Compose.

Jobs

This Android Engineer will participate in the development of Android applications that enable consumers to capture, relive and share their experiences + passions by developing media management, editing + story-telling features for use with GoPro cameras, media + cloud content.

At onX, we bring our devotion to the outdoors to work daily with a singular, powerful goal: to awaken the adventurer inside everyone. Using the latest Android and mapping technologies, you'll work on a suite of leading off-the-pavement GPS apps used by millions of explorers.

You'll be responsible for developing our native Android application. You won't be just another engineer at a giant company. We're a small tight-knit multidisciplinary team, and you'll be directly involved in shaping the product & culture.

The FIXD team is looking for a Mobile Developer with strong skills in native mobile development. You would be integral to the development of our core product and to delivering an experience customers love.

Doctor On Demand’s mission is to improve the world’s health through compassionate care and innovation. We believe that health is personal, and means so much more than treating illness.

Perry Street Software publishes two of the world’s largest gay & queer social dating apps. We are hiring Android developers with experience in design and architecture patterns, Android SDK, Kotlin, RxJava, and a good sense of usability and product.

Libraries & Code

An instagram-like segmented progress bar

A Gradle plugin to apply ktfmt to your builds, and reformat you Kotlin source code

Mac menu bar app for common adb tools

Compose integration for Simple-Stack.

News

Google announced that the Jetpack Tiles library is in alpha. This library enables developers to create custom Tiles on Wear OS smartwatches.

Videos & Podcasts

Ben Weiss introduces the APIs that WorkManager provides to stay off the main thread and then shows us a way to update the UI once your work is done.

Rahul Pandey covers the companion object, which allows you to have properties or functions without having an instance of the class.

Acclaimed Android developer Joaquim Verges describes how he landed upon a little effort by Jetbrains called Projector and seems to have found programmer Nirvana.

Florina Muntenescu talks about Architecture components and other Jetpack libraries that Google develops. She takes a deep dive into each different component and what its purpose is. We covered ViewModel, Room, Paging, LiveData, DataStore, Hilt and Work Manager.