All 7 Internationalization & Localization (i18n) questions
More in Internationalization & Localization (i18n)
How do ARB files let you properly organize and store your app's own translated text strings for each individual specific supported language? How do you properly handle pluralization correctly across genuinely several different languages, given that different languages genuinely have meaningfully different specific grammatical rules regarding singular and plural forms? How does Flutter properly handle right to left text direction support, such as for Arabic or Hebrew, and what specific layout adjustments genuinely need to actually happen automatically for these particular specific languages? How do you properly format dates, numbers, and currency values correctly according to a given user's own specific current locale, using the intl package? How should a large team properly manage translation workflows for their app, including working effectively with professional translators and keeping ARB files properly synchronized across several genuinely separate active feature branches? How can you properly test that your app's own localization genuinely and correctly works across all of its supported languages, including verifying that longer translated text does not actually genuinely break your existing carefully designed layouts?
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Flutter › Internationalization & Localization (i18n)

What is the difference between internationalization and localization, and how does Flutter's own official flutter_localizations package genuinely support both of these important related concepts?

Beginner

Answer

Internationalization, often abbreviated as i18n, refers to genuinely designing and properly structuring your app so it can potentially support several separate different languages and various regional formatting conventions, while localization, often abbreviated as l10n, refers to the actual real specific process of genuinely translating and properly adapting your app's own actual content for one genuinely particular specific language or region, and Flutter's own official flutter_localizations package provides the genuinely essential underlying foundation for both, including proper built in support for translating your app's own text and correctly formatting dates, numbers, and currency values appropriately according to a given user's own specific chosen locale.
MaterialApp(
  localizationsDelegates: [
    AppLocalizations.delegate,
    GlobalMaterialLocalizations.delegate,
  ],
  supportedLocales: [Locale('en'), Locale('es'), Locale('fr')],
)
Real-world example A global e commerce app properly supports English, Spanish, and French, letting a given user's own device language automatically and correctly determine which specific language that particular app's own actual displayed content should genuinely appear in.

Common follow-ups: How does Flutter actually genuinely determine which particular specific locale a given user's own device is currently actually genuinely set to?;What genuinely happens if a user's own particular device locale is not actually included within your app's own specific list of supported locales?

Dart Language Basics & Syntax;Responsive & Adaptive UI Design
All 7 Internationalization & Localization (i18n) questions