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flutter-internationalization

Implement Flutter internationalization with ARB files and gen-l10n.

104|17|Updated Jan 12, 2026
Search Tags:#localization#i18n#translations#flutter#arb#gen-l10n#intl
One-click install
npx skills add https://github.com/MADTeacher/mad-agents-skills --skill flutter-internationalization
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: flutter-internationalization
Source: https://github.com/MADTeacher/mad-agents-skills/tree/main/flutter-internationalization
Command: npx skills add https://github.com/MADTeacher/mad-agents-skills --skill flutter-internationalization

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes assets (resource) and references (resource) components.

What problem does it solve?

This Skill provides a structured approach to adding internationalization and localization to Flutter apps, enabling apps to display multiple languages, format numbers and dates, and manage locale-specific resources.

Core Features & Use Cases

  • Gen-l10n workflow: automate Dart code generation from ARB files using the gen-l10n tool.
  • Intl support: integrate the intl package for manual/localized messages and formatting.
  • Arb-based workflows: manage ARB resources, templates, and translations for multiple locales.
  • Use Case: Localize a Flutter app to support English and Spanish, with locale switching at runtime and RTL layout support.

Quick Start

Install Flutter, then configure localization by adding dependencies, enabling code generation, creating ARB files, and running the generator to produce localization classes. Then wire up MaterialApp localizationDelegates and supportedLocales, and finally access localized strings in widgets.

Frequently Asked Questions about flutter-internationalization

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add multiple locale support to a Flutter app?▼

Flutter app localization is configured by creating ARB files, running the gen-l10n tool to generate Dart classes, and wiring up MaterialApp with localizationDelegates and supportedLocales.

What's the best way to manage translations in Flutter using ARB files?▼

Managing translations in Flutter is best handled through ARB-based workflows, where you define message templates and translations in ARB files and automate Dart code generation using the gen-l10n tool.

How does the gen-l10n tool work with the intl package for Flutter i18n?▼

The gen-l10n tool works with the intl package for Flutter i18n by automating Dart code generation from ARB files, while the intl package provides manual message handling and localized formatting for numbers and dates.

Do I need l10n.yaml configuration to format dates and numbers in Flutter?▼

Yes, l10n.yaml configuration is required to enable code generation for localized resources, and the intl package integration is used to format locale-specific numbers and dates across multiple locales.

Can I switch locales at runtime and support RTL layouts in Flutter?▼

Yes, you can switch locales at runtime and support RTL layouts in Flutter by applying localized resources through MaterialApp and Cupertino widgets configured for multiple locales.

Why are my Flutter localized strings not displaying correctly after gen-l10n generation?▼

Localized strings may not display correctly if the MaterialApp lacks proper localizationDelegates or supportedLocales configuration, preventing the generated Dart localization classes from applying ARB translations to widgets.

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