UUID type for Dart

This package provides implementation of Universally Unique Identifier (UUID) for Dart, and supports generation, parsing and formatting of UUIDs.

Features:

• Creates UUID from string and byte-array, as well as GUID and URN strings
• Provides access to variant, version and byte data of UUID
• Generates RFC4122 time-based v1, random-based v4, and namespace & name-based v5 UUIDs
• Implements Comparable for UUID comparison and lexicographical sorting
• Runs on Dart VM and in browser

RFC 4122 Version support:

• v1, based on timestamp and MAC address (RFC 4122)
• v2, based on timestamp, MAC address and POSIX UID/GID (DCE 1.1) Not planned
• v3, based on MD5 hashing (RFC 4122) Not planned
• v4, based on random numbers (RFC 4122)
• v5, based on SHA-1 hashing (RFC 4122)

Requirements

• Dart SDK >- 2.12.0
• crypto package

Getting Started

Installation

1. Add an entry in your pubspec.yaml for uuid_type

dependencies:
  uuid_type: ^1.0.0

2. Run pub get (flutter packages get for Flutter)
3. Import

import 'package:uuid_type/uuid_type.dart';

Usage

Generate UUIDs

import 'package:uuid_type/uuid_type.dart';

void main() {
  var u = TimeUuidGenerator().generate();
  print(u.toString());

  u = NameUuidGenerator(NameUuidGenerator.urlNamespace).generateFromString('https://dart.dev/');
  print(u.toString());

  u = RandomUuidGenerator().generate();
  print(u.toString());
}

See more examples and Documentation

Release notes

See CHANGELOG

Features and Bugs

Please file bugs and feature requests at the issue tracker.