Thread by @Vinaystwt

Basic of JavaScript Object Notation(JSON) and Flutter

A Thread🧵

JavaScript Object Notation or JSON is an open-standard file format that uses human-readable text to transmit data objects consisting of attributes- value pairs and array data types

In simple language, JSON is simply a format in which you can transfer the data from client to server and server to client

When you are making network-connected apps using flutter, then chances are that it needs to consume some good old JSON, sooner or later.

so let's discuss the basics of JSON in terms of flutter

Flutter has incredible support for this format as it allows you to convert objects from and to JSON very quickly.

Here in the code attached, What’s inside curly brackets is called a JSON object and it’s always made up of a string, which is the key of the field, and a value which can be a string, a number, a boolean, a list, null or another object.

In Flutter, you can decide between manually parsing strings using facilities from import "dart:convert", or using automatic code generation, which does most of the work automatically.

Both ways are fine but you’ll see that code generation simplifies the maintenance a lot, especially for large JSON objects.

In all those cases where there’s the need to deal with a list or small objects, parsing and maintaining JSON manually is fine.

When JSON strings are very complex, with many nested objects and lists, it would be better to use code generation which handles most of the tedious work automatically.

If you want to understand JSON in simple terms check out this video:-

for Flutter Devs, check out this official flutter guide by the flutter community on JSON
docs.flutter.dev/development/da…

For non Flutter developers, here are some resources to learn more about JSON

W3schools:- w3schools.com/js/js_json_int…

Awesome JSON:-
github.com/burningtree/aw…

Thank you for Reading
I am Vinay, a developer from India, sharing some of the knowledge I gain in my daily life as a programmer and as a Human being

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