How do you use toJson in flutter?

We have 3 steps to convert an Object/List to JSON string:

Read more

use jsonEncode() and jsonDecode() from ‘dart:convert’ to serialize JSON data. create model classes with fromJson() and toJson() for all domain-specific JSON objects in your app. add explicit casts, validation, and null checks inside fromJson() to make the parsing code more robust.

Read more