From Flutter in Action by Eric Windmill
This article is a crash course on widgets in Flutter.
Six Questions for Eric Windmill, author of Flutter in Action
Eric Windmill is a Dart developer at AppTree, a PaaS company in Portland, Oregon. He writes frequently about his favorite programming technologies, including Flutter, an SDK from Google for building cross-platform mobile apps with Dart. You can find his articles at Flutter By Example, CSS Tricks, and EricWindmill.com. He also has his Sommelier certification and has worked in bourbon distilleries in his home state of Kentucky.