Build a watch app using Flutter

In this article, the author shares their experience of building a watch app using Flutter. The app they built is called WatchGlucose, which fetches data from a server and displays it on a Wear OS watch face. The article covers topics such as handling the logon, testing the app, publishing the app, adding a watch face, building a provider service, communication using shared preferences, the update requester, and testing the watch face. The author also discusses new requirements from Google and how they implemented them in the app. They then discuss the process of building a companion app, handling the logon, locating the watch, sending credentials to the watch, and receiving credentials from the phone. They also cover testing and publishing the companion app and the watch face. The article concludes with a discussion of future enhancements, such as remote installation, customizing the watch face, building a Dart package, and creating a Wear OS Tile with Flutter.