linguaflow library

LinguaFlow — AI-powered localization for Flutter apps.

Quick start

// 1. Wrap your app
LinguaFlowProvider(
  config: LocaleConfig(
    fallbackLocale: 'en',
    supportedLocales: ['en', 'hi', 'fr'],
  ),
  aiProvider: OpenAiProvider(apiKey: 'sk-...'),
  child: MyApp(),
)

// 2. Translate strings
Text('welcome'.tr(context))

// 3. Switch locale
LinguaFlow.of(context).setLocale('hi');

Classes

AiProvider

Abstract interface for AI translation backends.

AiProviderFactory

Factory for creating AiProvider instances from multiple sources.

CacheManager

Persists AI-generated translations across app sessions using SharedPreferences.

ClaudeProvider

Anthropic Claude translation provider.

DeepLProvider

DeepL translation provider — specialized for high-quality translations.

FileLoader

Loads JSON translation files from the app's asset bundle.

GeminiProvider

Google Gemini translation provider.

LibreTranslateProvider

LibreTranslate provider — free & open-source translation.

LinguaFlow

Convenience accessor — call anywhere inside the widget tree.

LinguaFlowConstants

Internal constants used across LinguaFlow.

LinguaFlowProvider

Wraps your app to provide LinguaFlow localization capabilities.

LocaleConfig

Configuration passed to LinguaFlowProvider during initialization.

LocaleManager

Central manager for locale state.

NvidiaProvider

NVIDIA NIM translation provider.

OpenAiProvider

OpenAI-powered translation provider.

StorageService

Persists and retrieves the user's chosen locale across app launches.

TranslationStore

Holds all loaded translations in memory.

Enums

AiProviderType

Supported AI translation providers.

Extensions

AiProviderTypeX on AiProviderType

TranslateExtension on String

Adds .tr(context) to every String.