Speed, effectiveness & simplicity of tests in Flutter. I had posted this a while ago. It was when we had just started building Gojek’s design system — Asphalt Aloha in Flutter. A few things I loved about writing tests in Flutter: Speed So far, we’ve built 50% of our design…

This is the story of why we decided to adopt Flutter and the experimentations done with it. — The thought of introducing a new technology comes with lots of questions and doubts: How do you know this technology will last the test of time? Why should we take the risk of being early adopters? What value will it add? Will the value justify the cost? How will existing…

Testing an accessibility (semantic) announcement made using SemanticsService.announce is not straight forward. This article describes how to do so. What does SemanticsService do? SemanticsService manages the communication between Flutter and the OS using Platform Channels. The announce method in this class is used to make a semantics announcement in cases where the system can’t…

The Semantics widget provides a number of callbacks for user actions, like onDidGainAccessibilityFocus & onDidLoseAccessibilityFocus, onTap, onLongPress and more. To be able to test the side-effects, like showing a SnackBar when onTap is called, we need some way to trigger these actions in widget tests. Sample App The app is quite simple…

In this article we’ll see how to add Diagnosticable properties that can show up on the Details Tree view in the Flutter inspector. Flutter DevTools come with a handy Details Tree view. It shows useful information about a Widget, Render Object, and State. …

A collection of thoughts and resources to help you get better at Android development. — Recently, someone fresh out of college posed me an interesting question. The person wanted to know which made more sense to gain in-depth knowledge in — Android or server side technologies (specifically distributed computing). In this article, I’m sharing some of the topics we covered in that conversation, in an…

A deep dive of everything we did on Android In a previous blog post my colleague, Anup, used an analogy of the GO-JEK rider app’s transformation from a caterpillar to a butterfly. This analogy is not only applicable to the design, but also our codebase, which we rewrote from scratch. Why the rewrite? …