Why We Decided to Rewrite Uber’s Driver App
Uber engineers outline how we came to the resource-intensive decision to rewrite, rather than migrate or update, our driver app.
Building a Multi-Modal Transportation Platform with JUMP Bikes
Making JUMP Bikes' semi-dockless electric bicycles available on Uber's platform not only added a popular new transportation type for Uber riders, but also marked an important step in how we can use our technology to broaden transportation options.
Introducing Nanoscope: An Extremely Accurate Method Tracing Tool for Android
Uber's Mobile Engineering team open sources Nanoscope, a new method tracing tool for Android that enables developers to more accurately debug difficult performance issues.
NEAL, Uber’s Open Source Language-Agnostic Linting Platform
Not Exactly a Linter (NEAL) takes code reviews one step closer to full automation by allowing engineers to write custom syntax-based rules in any language.
Playing the Perfect Game: Building Uber Eats on Android
To mark the two-year anniversary of Uber Eats, Android engineer Hilary Karls discusses how her team's commitment to "playing the perfect game" resulted in one of Uber’s most successful products.
Harnessing Code Generation to Increase Reliability & Productivity on iOS at Uber
Uber's mobile engineers leverage code generation to make our applications more reliable and boost developer productivity.
Unifying Mobile Onboarding Experiences at Uber
By unifying mobile onboarding experiences for our new rider app, Uber Engineering made it easier than ever before for users to "get moving."
Engineering NullAway, Uber’s Open Source Tool for Detecting NullPointerExceptions on Android
Uber Engineering built and open sourced NullAway, our fast and practical tool for eliminating NPEs, to help others deploy more reliable Android apps.
Deploying More Reliable Apps with Uber Engineering’s XP Background Push
Uber Engineering's XP Background Push mitigates bugs safely and efficiently in real time, facilitating more seamless user experiences on our apps.
Unpacking the Android Bundle with AutoValue Extensions at Uber Engineering
Uber Engineering's new open source tool, AutoValue: Bundle Extension, decreases the likelihood of encountering bugs by enabling Android engineers to quickly unbundle data into value classes.
Building More Reliable Apps with Uber Engineering’s Startup Reason Reporter
In this article, members of Uber’s Mobile Platform team introduce Startup Reason Reporter, our new open source tool for detecting startup reason on iOS.
Engineering Scalable, Isolated Mobile Features with Plugins at Uber
Uber Engineering shares our best practices for working with plugins, a powerful tool that enables us to build and ship features quickly at scale.
Driver Profiles: How Uber Engineering Celebrates Drivers
Uber Engineering built a new microservice to power Driver Profiles, an in-app platform that enhances the Uber experience by celebrating drivers.
Building m.uber: Engineering a High-Performance Web App for the Global Market
In this article, we discuss how Uber Engineering designed m.uber, a lightweight web app that delivers a native app experience for riders on mobile browsers.
How Uber Engineering Verifies Data at Runtime with the Annotations You Already Use
In 2016, Uber Engineering built and open sourced RAVE, a data model validation framework for Android that leverages Java annotation processing to protect against crashes caused by invalid data.
Demystifying RxJava Backpressure on Android at Uber Engineering
In this article, Uber Engineering shares our best practices for relieving RxJava backpressure on Android through targeted operators, more forgiving RxJava 1.x configurations, and RxJava 2.x.
Engineering Signature Rendering on iOS with UberSignature
In this article, we outline how Uber Engineering developed UberSignature, a new feature that allows iOS users to draw and store touchscreen signatures on the UberRUSH app.
The Journey To Android Monorepo: The History Of Uber Engineering’s Android Codebase Organization
The monorepo codebase powering Uber Engineering's Android rider app is architected to scale for growth while supporting the IDE, reducing build times, and stabilizing the master during integrations.
Redesigning Uber Engineering’s Mobile Content Delivery Ecosystem
How Uber Engineering re-architected the content delivery feed and backend ecosystem of our new driver app to deliver an enhanced user experience.
Engineering Stability in Migrations: Moving to Immutable Collections in Uber’s Android Apps
Uber Engineering built a custom stack that generates AutoValue models using immutable collections to stably migrate Android apps at scale.
