One of my recent projects required us to make an existing web application work offline. Initially, we considered making a progressive web app. We quickly eliminated this option since PWAs have several limitations, most importantly storage size. Eventually, we decided to embed our web application into a WebView within a React Native application since we […]

I’ve recently been using Cavy to handle end-to-end testing for a React Native app. In this post, I’ll go over some first impressions and a few patterns I’ve found to be helpful. Intro to Cavy Cavy is an end-to-end testing framework that integrates with React Native using refs. The test suite runs as an app, […]

I recently had to implement a local file cache for a React Native app so that users could play audio and video when offline. There are a number of reasons you might need to make a similar caching system, and this post explains how to set up the basic code.

When building a React component, I ran into this error: Objects are not valid as a React child (found: object with keys... Invariant Violation: Objects are not valid as a React child (found: object ...). If you meant to render a collection of children, use an array instead.... Here is a simple component to illustrate […]

React Native is one of the best things to happen in the cross-platform mobile app development scene since the WebView. I can’t get enough of it. My current project (an iOS and Android application built with React Native and a heavily customized UI) would have taken at least twice as long to build as a […]