Android Studio template to automatically create dart object classes using json serializable, json annotation and build runner. Courtesy of @buntagonalprism

auto_create_dart_classes_in_flutter.dart

#set( $nameparts = $NAME.split("_"))
#set( $namepart = '')
#set( $classname = '')
#foreach( $namepart in $nameparts )
    #set( $classname = $classname + $namepart.substring(0, 1).toUpperCase() + $namepart.substring(1))
#end

import 'package:json_annotation/json_annotation.dart';

part #[[']]#$NAME#[[.g.dart']]#;

@JsonSerializable()
class $classname {

    $classname();


    factory $classname#[[.fromJson(Map<String, dynamic> json) => _$]]#${classname}FromJson(json);
  
    #[[Map<String, dynamic> toJson() => _$]]#${classname}ToJson(this);
}