flutter json serialization command
flutter pub run build_runner buildflutter json serialization command
flutter pub run build_runner buildflutter json serialization
//Sample Data
{
"name": "John Smith",
"email": "[email protected]"
}
// Decode Data Samples
Map<String, dynamic> user = jsonDecode(jsonString);
print('Howdy, ${user['name']}!');
print('We sent the verification link to ${user['email']}.');
// Create Model for Data
class User {
final String name;
final String email;
User(this.name, this.email);
User.fromJson(Map<String, dynamic> json)
: name = json['name'],
email = json['email'];
Map<String, dynamic> toJson() => {
'name': name,
'email': email,
};
}
// Serialize Data
Map<String, dynamic> userMap = jsonDecode(jsonString);
var user = User.fromJson(userMap);
print('Howdy, ${user.name}!');
print('We sent the verification link to ${user.email}.');
// DeSerialize Data
User user = User('John', '[email protected]');
String json = jsonEncode(user.toJson());flutter json to class
//insideclass
ClassName.fromJson(Map<String, dynamic> json) {
variable1 = json['variable11'];
variable2 = json['variable12'];
variable3 = json['variable13']['variable14'];
}
//uses
//after http request or whatever
Map<dynamic, dynamic> res = await jsonDecode(response.body.toString());
Classname.fromJson(res);Copyright © 2021 Codeinu
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