When developing a mobile application, most of the times we will need to make a request to a server, and the response (most of the times) will be in the form of JSON. That JSON object will have to be parsed into a Dart data class and then displayed on the screen in the form of a list.
Kevin Moore shows step by step how we can create a simple application that does just that Parsing JSON in Flutter | raywenderlich.com
This is also one of the first tutorials on the Raywenderlich website that has finally Flutter tutorials! Check their website for more Flutter content: Flutter | raywenderlich.com