Android

Articles on Android performance, Kotlin optimization, Gradle builds, and building responsive Android apps.

942 Articles · 161 Companies · 43 Topics

Android engineering articles 571–600 of 942

BlaBlaCar Nov 18, 2021

Reducing Android Build Time at Scale

Patrick Brochado from BlaBlaCar turned a 13-minute Android build into a 4-minute one. His team was losing 8 hours of productivity every single day to slow builds.

Airbnb Nov 18, 2021

Creating Airbnb's Page Performance Score

Airbnb ditched single-metric performance tracking and built something better. Here's how they unified web, iOS, and Android performance into one 0-100 score.

Meta Nov 16, 2021

Android Developers Blog: Improving App Startup: Lessons from the Facebook App

Facebook's Android app serves 2.9 billion users monthly. Their startup optimization strategy cut bad starts by focusing on one counterintuitive metric.

Cash App Nov 11, 2021

The state of managing state (with Compose)

Cash App's Jake Wharton just open-sourced their solution to a problem every mobile team faces: state management code that's impossible to read.

DoorDash Nov 9, 2021

The Beginner's Guide to Kotlin Coroutine Internals

Sonic Wang from DoorDash breaks down Kotlin coroutines from bytecode to scheduler. If you've ever wondered what actually happens when you call 'suspend', this deep dive reveals the magic.

Square Nov 4, 2021

Beyond Mobile First: Modern Mobile Development Strategy

Ryan O'Neill from Square reveals why 9 out of 10 mobile shoppers think their experience could be better. His team's solution? Stop thinking mobile-first and start thinking app-first.

Lyft Oct 28, 2021

Mobile Performance @ Lyft

Lyft was serving 17.1M riders while their Android app launched 15-20% slower than competitors. Time to fix that.

Traveloka Oct 27, 2021

Traveloka Android Dynamic Feature Module Migration

Anisha Inas Izdihar and Yusuf Cahyo Nugroho from Traveloka cut build times by 37% and saved users 15MB of storage. Here's how they migrated 26 modules to Android's Dynamic Feature Module framework.

React Native Blog Oct 26, 2021

Making Hermes the Default JavaScript Engine

Meta's Hermes team cut app startup time in half and reduced GC pauses by 34x. Here's how they're making it the default engine for React Native.

Carousell Oct 22, 2021

Browse Page Refactoring on Android

Jintin from Carousell reveals how a 3,000+ line Presenter became their team's productivity nightmare. Their solution? A strategic mix of refactoring AND rewriting that didn't require months of downtime.

Teknasyon Oct 20, 2021

Android Jetpack Compose

Buğra Yetkin from Teknasyon Engineering breaks down why Android teams are ditching XML and fragments for Jetpack Compose. The promise? Less code, better performance, and a completely new way of thinking about U...

Doist Oct 13, 2021

We release our Android apps every day (Android App Continuous Deployment)

Doist went from scary 2-hour manual Android releases to shipping every single day. Here's the engineering playbook that made it possible.

DoorDash Oct 5, 2021

8 Tips Learned from Adding Payments to DoorDash's Android App

DoorDash's Android team learned the hard way that adding payments isn't just about processing transactions. It's about building a system that scales across countries, payment methods, and user expectations.

Mercado Libre Sep 30, 2021

A Importância da Performance Para Apps Mobile

Victor Oliveira from Mercado Libre reveals a harsh truth: 53% of users uninstall apps due to performance issues. With 4.5 billion active Android and iOS devices worldwide, each performing differently, mobile pe...

Traveloka Sep 29, 2021

Identifying and Handling Android Build Memory Issues

Doni Winata from Traveloka's Android Infra team reveals why constantly increasing Gradle's heap size actually makes your build problems worse. His deep dive into Android build memory issues shows how to stop fi...

Thumbtack Sep 29, 2021

Open Sourcing Thumbprint Native Design System

Mallika Potter and Kevin Beaulieu from Thumbtack reveal how they open-sourced their entire native design system—and the surprising technical challenges they had to solve first.

Grab Sep 23, 2021

Designing Resilient Systems Beyond Retries (Part 1: Rate Limiting)

Grab's engineering team learned the hard way: retries and circuit breakers aren't enough when you're running hundreds of microservices at scale.

Tokopedia Sep 14, 2021

A Saga of Improvement in Android App Performance (Part 3)

Tokopedia built an internal tool that automatically finds Android performance bottlenecks. No more manual trace analysis or guessing which methods are slowing you down.

Revolut Sep 14, 2021

Improving Product Reliability by Imposing Constraints as a Part of CI/CD Process

Revolut built a system that automatically blocks code deployments based on security risk and bug count. Here's how they shifted security left without slowing down 165,000+ pull requests.

Walmart Sep 14, 2021

Tech Modernization at scale — Blog Series

Walmart's engineering team learned the hard way: breaking up a monolith without fixing team structure just creates a distributed mess.

Meta Sep 13, 2021

Superpack: Pushing the limits of compression in Facebook’s mobile apps

Meta's Superpack compression tech achieves what traditional tools couldn't: keeping app size in check while developers ship code at massive scale daily.

Teknasyon Sep 8, 2021

Android Hilt Dependency Injection

Mehmet Agah Balbay from Teknasyon Engineering makes the case for ditching Dagger2's boilerplate hell. His team's switch to Hilt for dependency injection delivered real performance wins and faster development cy...

Glovo Sep 7, 2021

Publishing Variant-Aware Android Libraries with Source Distribution

Guillermo Mazzola from Glovo cracked a problem that's been frustrating Android library publishers since AGP 7.0: how to ship variant-aware libraries without breaking source code navigation in your IDE.

Bumble Sep 2, 2021

Checkmate on Compose Part 2

Zsolt Kocsi discovered that Jetpack Compose's lack of shared element transitions wasn't a limitation. It was an opportunity to build something better.

React Native Blog Sep 1, 2021

Preparing Your App for iOS 15 and Android 12

New OS releases can break your app overnight. The React Native team shares critical changes in iOS 15 and Android 12 that could impact your users.

AWS Aug 31, 2021

Implementing caching for pipeline resolvers in AWS AppSync GraphQL APIs

Eric Robertson from AWS AppSync reveals how pipeline resolver caching slashed database requests by 99% for some customers. If your GraphQL API is hitting backend services too hard, this changes everything.

Bumble Aug 31, 2021

Checkmate on Compose Part 1

Zsolt Kocsi from Bumble built a chess app in Jetpack Compose to solve a problem that's frustrated beginners for years: engines tell you a move is bad, but never explain why.

Duolingo Aug 26, 2021

Android App Excellence: Duolingo

Duolingo's Android app was degrading 5-10% every month. New features meant guaranteed performance regressions every 90 days.

Slack Aug 25, 2021

Building Android Conversation Bubbles

Mathias Roth from Slack reveals how a hardcoded Android display name prefix saved their Conversation Bubbles implementation. What started as straightforward API work turned into a detective story involving work...

Square Aug 24, 2021

Kotlin Multiplatform: Shared Test Resources

Victoria Gonda from Square tackles a tricky KMP problem: Kotlin/Native doesn't support I/O, yet your shared tests need to read fixture files. Here's the workaround that makes it possible.