Dart References

📚 What are Dart References?

Dart references are comprehensive documentation resources that provide detailed information about Dart language features, APIs, libraries, and development tools for building modern applications.


// Quick reference example
void main() {
  print('Hello, Dart!');
  var name = 'Flutter Developer';
  print('Welcome $name');
}

Output:

Hello, Dart!

Welcome Flutter Developer

Essential Dart References

📖

Language Tour

Complete guide to Dart syntax

// Variables and types
String name = 'Dart';
int version = 3;
bool isAwesome = true;

🔧

Core Libraries

Built-in Dart library references

import 'dart:core';
import 'dart:io';
import 'dart:convert';

🎯

API Documentation

Detailed method and class docs

List fruits = ['apple', 'banana'];
fruits.add('orange');
print(fruits.length); // 3

🛠️

Tools Reference

Dart SDK tools and commands

# Command line tools
dart create my_app
dart run
dart test

🔹 Official Documentation

The primary source for Dart language documentation:

Key Documentation Sections:

dart.dev: Official Dart website with tutorials
API Reference: Complete library documentation
Language Specification: Technical language details
Effective Dart: Style and usage guidelines

// Example from official docs
class Person {
  String name;
  int age;
  
  Person(this.name, this.age);
  
  void introduce() {
    print('Hi, I\'m $name and I\'m $age years old.');
  }
}

🔹 Core Library References

Essential libraries every Dart developer should know:

🔸 dart:core

// Built-in types and functions
String text = 'Hello World';
int number = 42;
double price = 19.99;
bool isValid = true;
List numbers = [1, 2, 3];
Map scores = {'Alice': 95, 'Bob': 87};

🔸 dart:io

// File and network operations
import 'dart:io';

void readFile() async {
  var file = File('data.txt');
  String contents = await file.readAsString();
  print(contents);
}

🔸 dart:convert

// JSON encoding/decoding
import 'dart:convert';

Map user = {'name': 'John', 'age': 30};
String jsonString = jsonEncode(user);
Map decoded = jsonDecode(jsonString);

🔹 Package References

Popular packages and their documentation:

# pubspec.yaml
dependencies:
  http: ^0.13.5
  path: ^1.8.3
  intl: ^0.18.1

// Using external packages
import 'package:http/http.dart' as http;
import 'package:path/path.dart' as path;

void fetchData() async {
  var response = await http.get(Uri.parse('https://api.example.com/data'));
  print(response.body);
}