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  2. Example: Iterable l = json.decode(response.body); List<Post> posts = List<Post>.from(l.map((model)=> Post.fromJson(model))); where the post is a LIST of posts. EDIT: I wanted to add a note of clarity here. The purpose here is that you decode the response returned. The next step, is to turn that iterable of JSON objects into an instance of your ...

  3. You are correctly specifying headers: {"Content-Type": "application/json"}, to set your content type. Under the hood either the package http or the lower level dart:io HttpClient is changing this to application/json; charset=utf-8. However, your server web application obviously isn't expecting the suffix.

  4. I have string like this, {id:1, name: lorem ipsum, address: dolor set amet} And I need to convert that string to json, how I can do it in dart flutter? thank you so much for your help.

  5. Simply use json of the dart:convert package. Here is an example : final myJsonAsString = '{"a": 1, "b": "c"}'; final decoded = json.decode(myJsonAsString); .... See Parsing JSON for more details. Sure, JSON.parse was initialy a static function of a JSON object that has been removed.

  6. Of course it would be easy to allow any collection to be stringified into JSON, but this would break the current 1:1 mapping between JSON and Dart. I guess Set/Collection support in stringify() is just something that's still missing because Dart is so young -- go ahead and file an issue if you want to speed this up :) –

  7. Bottom line, serialize the name of your enum and in order to deserialize it properly, write a little function that given an Enum as a String, iterates over all the members of the Enum and returns the appropriate one. Such as: Status getStatusFromString(String statusAsString) {. for (Status element in Status.values) {.

  8. Below is the sample code which you can use to synchronously read a text/json file as a string, displays its content and creates corresponding objects. This will work without using any flutter classes. For reading JSON/txt file,user 'dart:io' package.

  9. How to handle JSON in Dart - Stack Overflow

    stackoverflow.com/questions/8977199

    I wonder how does Dart handle JSON? More specifically: Can I access item in a JSON object and when, how? Can I convert Darts data structures like Set and Maps into JSON? Can I create a new JSON, ...

  10. 1. If you convert the dynamic to a List<dynamic> you can map each element in the jsonDecoded list. Example: import 'dart:convert'; final decodedJson = jsonDecode (rawJsonMulti) as List<dynamic>; final personList = decodedJson .map ( (e) => Person.fromJson ( e as Map<String, dynamic>)) .toList (); return PersonList (listOfPerson: personList); ```.

  11. You can covert it using this website , I use it always and it works fine This is you json code after been converted to a dart class : import 'dart:convert'; ModelClass modelClassFromJson(String str) => ModelClass.fromJson(json.decode(str)); String modelClassToJson(ModelClass data) => json.encode(data.toJson()); class ModelClass {.