flutter_useful_extensions 0.0.3

A collection of powerful Flutter/Dart extensions for Strings, DateTime, Lists, Navigation, and more to enhance productivity.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_useful_extensions/flutter_useful_extensions.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Useful Extensions Example',
      theme: ThemeData(primarySwatch: Colors.blue),
      home: ExtensionsDemo(),
    );
  }
}

class ExtensionsDemo extends StatelessWidget {
  const ExtensionsDemo({super.key});

  @override
  Widget build(BuildContext context) {
    DateTime now = DateTime.now();
    List<int> numbers = [4, 2, 2, 1, 3];

    return Scaffold(
      appBar: AppBar(title: Text("Flutter Extensions Demo")),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: SingleChildScrollView(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text("String Extensions:",
                  style: TextStyle(fontWeight: FontWeight.bold)),
              Text("Is Null or Empty: ${"".isNullOrEmpty}"),
              Text("Is Not Null or Empty: ${"Hello".isNotNullOrEmpty}"),
              Text("Capitalize: ${"flutter".capitalize()}"),
              Text("Title Case: ${"hello flutter dev".toTitleCase()}"),
              Text("Is Email: ${"[e-mail]".isEmail}"),
              Text("Is Phone Number: ${"01700000000".isPhoneNumber}"),
              Text("Remove Whitespace: ${"  flut ter  ".removeWhitespace()}"),
              Text("Reverse: ${"Flutter".reverse()}"),
              SizedBox(height: 16),
              Text("DateTime Extensions:",
                  style: TextStyle(fontWeight: FontWeight.bold)),
              Text("Format: ${now.format('yyyy-MM-dd')}"),
              Text("Is Today: ${now.isToday}"),
              Text(
                  "Is Yesterday: ${now.subtract(Duration(days: 1)).isYesterday}"),
              Text("Is Tomorrow: ${now.add(Duration(days: 1)).isTomorrow}"),
              Text("Days in Month: ${now.daysInMonth}"),
              Text("Is Leap Year: ${now.isLeapYear}"),
              Text("Time Ago: ${now.subtract(Duration(minutes: 3)).timeAgo()}"),
              Text("Copy With (Year): ${now.copyWith(year: 2025)}"),
              SizedBox(height: 16),
              Text("List Extensions:",
                  style: TextStyle(fontWeight: FontWeight.bold)),
              Text("Unique: ${numbers.unique()}"),
              Text("Sorted: ${numbers.sorted()}"),
              Text("Chunks of 2: ${numbers.chunk(2)}"),
              SizedBox(height: 16),
              Text("BuildContext Extensions:",
                  style: TextStyle(fontWeight: FontWeight.bold)),
              Text("Screen Size: ${context.screenSize}"),
              Text("Screen Width: ${context.screenWidth}"),
              Text("Screen Height: ${context.screenHeight}"),
              Text("Is Dark Mode: ${context.isDarkMode}"),
              SizedBox(height: 16),
              Text("Other Extensions:",
                  style: TextStyle(fontWeight: FontWeight.bold)),
              Text("To Currency: ${1234.56.toCurrency()}"),
              Text("5.seconds in duration: ${5.seconds}"),
              Text("3.minutes in duration: ${3.minutes}"),
              Text("2.hours in duration: ${2.hours}"),
            ],
          ),
        ),
      ),
    );
  }
}