Flutter Internationalization

Overview

Comprehensive guide for adding internationalization (i18n) to Flutter applications. Covers setup, configuration, message management, number/date formatting, and advanced topics like locale override and custom language support.

Quick Start

Choose approach based on app needs:

gen-l10n (Recommended) - Modern, automated, code generation

• Best for: Most new projects, teams, complex apps
• Uses: ARB files, automated code generation
• See: Setup gen-l10n

intl package - Manual control, code-based

• Best for: Simple apps, legacy projects, full control
• Uses: Intl.message() code, manual translation files
• See: Setup intl package