Introduction to 'intl flutter'

What is intl flutter?

Intl is a package in flutter that provides internationalization and localization support. It is used to support different languages, translations, date and time formats, formatting and parsing of numbers and currencies, and much more.

With the intl package, you can create a multilingual app with ease.

Why to use intl flutter?

• Easy to use: The intl package is easy to use and requires a minimal amount of code to implement localization in your app.

• Supports many languages: Intl supports a large number of languages out of the box.

• Simple integration: Intl flutter has a simple integration process and can be added to your app quite easily.

• Supports different formats: Intl flutter can be used to format dates, numbers, and currencies into different styles.

How to use intl flutter?

Installation

To add the intl package to your app, simply add the following to your pubspec.yaml file:

dependencies:
  flutter_localizations:
    sdk: flutter
  intl: ^0.17.0

Initialization

To initialize intl in your app, you need to initialize the Intl class with the desired Locale. For example:

import 'package:intl/intl.dart';
import 'package:flutter_localizations/flutter_localizations.dart';

void main() {
  Intl.defaultLocale = 'en_US';
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      localizationsDelegates: [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
      ],
      supportedLocales: [
        const Locale('en', 'US'), // English
        const Locale('es', 'ES'), // Spanish
        const Locale('fr', 'FR'), // French
        const Locale('zh', 'CN'), // Chinese
      ],
      ...
    );
  }
}

Usage

To use intl in your app, simply wrap the text with the Intl widget and provide the desired format. For example:

Text(
  Intl.message(
    'Hi there, {name}!',
    name: 'name',
    args: {'name': 'John'},
  ),
),

This will display "Hi there, John!" on your app.

Additional Features

Intl flutter provides many additional features, including:

• Formatting dates and times:

String formattedDate = DateFormat.yMd().format(DateTime.now());
// Output: "10/12/2021"

• Formatting numbers and currencies:

String formattedNumber = NumberFormat.currency(
  locale: 'en_US',
  symbol: '\$',
).format(1234.56);
// Output: "\$1,234.56"

Conclusion

In conclusion, Intl flutter is a highly useful package for creating multilingual apps. It provides easy integration and supports a vast number of languages, date and time formats, and number and currency formats, etc.