signals_translator 0.0.7

Translate your project 100% using signals

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:signals/signals_flutter.dart';
import 'package:signals_translator/signals_translator.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  runApp(
    Watch(
      (context) {
        final translator = SignalTranslator();
        final localeOptions = <String, String>{
          'sys': 'System',
          'en': 'English',
          'en_GB': 'English (UK)',
          'nl': 'Dutch',
          'es': 'Spanish',
        };
        final selectedLocale =
            localeOptions.containsKey(translator.currentLocale)
                ? translator.currentLocale
                : 'sys';
        return MaterialApp(
          theme: ThemeData(primarySwatch: Colors.blue),
          home: Scaffold(
            appBar: AppBar(
              title: Text(tl('Signal Translator Example')),
            ),
            body: Center(
              child: ConstrainedBox(
                constraints: BoxConstraints(maxWidth: 760),
                child: SingleChildScrollView(
                  padding: EdgeInsets.all(16),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.stretch,
                    children: [
                      Card(
                        child: Padding(
                          padding: EdgeInsets.all(12),
                          child: DropdownButtonFormField<String>(
                            initialValue: selectedLocale,
                            decoration: InputDecoration(
                              labelText: 'Language',
                              border: OutlineInputBorder(),
                            ),
                            onChanged: (value) {
                              if (value == null) return;
                              translator.loadLocale(value);
                            },
                            items:
                                localeOptions.entries
                                    .map(
                                      (entry) => DropdownMenuItem<String>(
                                        value: entry.key,
                                        child: Text(entry.value),
                                      ),
                                    )
                                    .toList(),
                          ),
                        ),
                      ),
                      SizedBox(height: 12),
                      Card(
                        child: Padding(
                          padding: EdgeInsets.all(12),
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Text('Locale diagnostics', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                              SizedBox(height: 8),
                              Text('System locale: ${translator.systemLocale}'),
                              Text('Current locale: ${translator.currentLocale}'),
                              Text('Resolved locale: ${translator.resolvedLocale}'),
                              Text('Fallback locale: ${translator.fallbackLocale}'),
                              Text('Requested asset: ${translator.assetLocationString.value}'),
                              Text('Active asset: ${translator.activeAssetPath ?? 'none loaded'}'),
                            ],
                          ),
                        ),
                      ),
                      SizedBox(height: 12),
                      Card(
                        child: Padding(
                          padding: EdgeInsets.all(12),
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Text('Translate (tl) examples', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                              SizedBox(height: 8),
                              Text(tl('Dutch')),
                              Text(tl('English')),
                              Text(tl('Spanish')),
                              Text(tl('CAN_USE_KEY')),
                              SizedBox(height: 12),
                              Text(
                                'Regional variants - switch between "English" and "English (UK)" to compare:',
                                style: TextStyle(fontWeight: FontWeight.bold),
                              ),
                              Text(tl('My favorite color is blue.')), // colour (UK) vs color (US)
                              Text(tl('I took the elevator to the 5th floor.')), // lift (UK) vs elevator (US)
                              SizedBox(height: 12),
                              Text('Translate with variable (tlv) example:', style: TextStyle(fontWeight: FontWeight.bold)),
                              Text(
                                tlv(
                                  '{0} has won the game', 'David',
                                ),
                              ),
                              SizedBox(height: 8),
                              Text('Translate with multiple variables (tlmv) example:', style: TextStyle(fontWeight: FontWeight.bold)),
                              Text(
                                tlvm(
                                  'He came in {0}, while his partner came in at the {1} place',
                                  ['first', 'second'],
                                ),
                              ),
                              SizedBox(height: 8),
                              Text('Pluralization (tlp) examples:', style: TextStyle(fontWeight: FontWeight.bold)),
                              Text(tlp('I have {0} apples', 0) ?? ''), // I have no apples
                              Text(tlp('I have {0} apples', 1) ?? ''), // I have 1 apple
                              Text(tlp('I have {0} apples', 5) ?? ''), // I have 5 apples
                              SizedBox(height: 8),
                              Text('Pluralization with multiple counts (tlpm) examples:', style: TextStyle(fontWeight: FontWeight.bold)),
                              Text(tlpm('I have {0} strawberries and {1} bananas', [1, 1]) ?? ''), // I have 1 strawberry and 1 banana
                              Text(tlpm('I have {0} strawberries and {1} bananas', [0, 0]) ?? ''), // I have no strawberries and no bananas
                              Text(tlpm('I have {0} strawberries and {1} bananas', [2, 3]) ?? ''), // I have 2 strawberries and 3 bananas
                            ],
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ),
          ),
        );
      },
    ),
  );
}