Upgrading to React 17: How to Fix the Issues and Breaking Changes
React 17 mostly focused on under the hood changes that will make it easier for consumers to gradually upgrade in the future. There were no new features and the breaking changes, in theory, affected few consumer components. While upgrading at Wealthfront was certainly more straightforward than past versions, we still had a few issues to… Read more
Espresso-friendly Bottom Sheet interactions
Like many other integration testing frameworks, Android’s Espresso provides a management layer for asynchronous operations. Correct usage of this layer allows the test author to treat long-running activities as if they were synchronous, resulting in reliable UI tests. In this post, we’ll describe how we used Espresso to build reliable tests for one such behavior… Read more
Streamline development with Custom DevTools
Today, DevTools are ubiquitous when developing web apps because of their ability to inspect, debug, modify, automate, and more. While it can sometimes seem that having many distinct DevTools is unnecessary, each tool falls at a different point on the spectrum of developer needs. As needs become more specialized and focused, so do the tools…. Read more
Building a truly accessible clickable div
When developing features at Wealthfront, it is somewhat common to receive a design mock where an entire card is clickable. One example is the account card on a client’s dashboard. The link itself is highlighted by our purple primary text, and clicking it takes you to the corresponding Wealthfront account page. In fact, clicking anywhere… Read more
Visual Regression Testing on Android
Recently, we found visual regressions in our app after we shipped the app to production on the play store and that is one of the last places you want to catch a bug. We wanted to improve when we detect these bugs and address them way earlier in the development process. There are a couple… Read more
Android App Modularization at Wealthfront (Part 3)
In the previous blog post, we looked at how we started with modularization and refactored our existing code into the legacy module which was ready to be modularized into smaller infrastructure and feature modules. In this blog post, we will go in detail about how we’d refactored our infrastructure modules with the help of interfaces. … Read more