flutter_data_shp_provider 0.0.1

flutter_data_shp_provider: ^0.0.1 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_data_shp_provider/flutter_data_shp_provider.dart';

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

  // Initialize SharedPreferences before running the app
  await DataShpProvider().initPrefs();

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'DataShpProvider Example',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
        useMaterial3: true,
      ),
      home: const ExampleHomePage(),
    );
  }
}

class ExampleHomePage extends StatefulWidget {
  const ExampleHomePage({super.key});

  @override
  State<ExampleHomePage> createState() => _ExampleHomePageState();
}

class _ExampleHomePageState extends State<ExampleHomePage> {
  final _provider = DataShpProvider();
  final _keyController = TextEditingController();
  final _valueController = TextEditingController();
  String _readValue = '';
  String _statusMessage = '';

  @override
  void initState() {
    super.initState();
    _checkInitialization();
  }

  void _checkInitialization() {
    if (_provider.isInitialized) {
      setState(() {
        _statusMessage = 'Provider initialized successfully';
      });
    } else {
      setState(() {
        _statusMessage = 'Provider not initialized';
      });
    }
  }

  Future<void> _saveGenericValue() async {
    if (_keyController.text.isEmpty || _valueController.text.isEmpty) {
      _showMessage('Please enter both key and value');
      return;
    }

    final success = await _provider.saveValue(
      _keyController.text,
      _valueController.text,
    );

    _showMessage(success
        ? 'Value saved successfully'
        : 'Failed to save value');
  }

  void _readGenericValue() {
    if (_keyController.text.isEmpty) {
      _showMessage('Please enter a key');
      return;
    }

    final value = _provider.getValue(
      _keyController.text,
      defaultValue: 'Not found',
    );

    setState(() {
      _readValue = value;
    });
  }

  Future<void> _saveAuthData() async {
    await _provider.setKeyLogin('user@example.com');
    await _provider.setPasswordLogin('demo-password');
    await _provider.setToken('abc123-demo-token');
    await _provider.setIdSesion('session-12345');
    await _provider.setValidityInSeconds('3600');

    _showMessage('Auth data saved successfully');
  }

  void _readAuthData() {
    final authData = '''
Login: ${_provider.keyLogin}
Token: ${_provider.token}
Session ID: ${_provider.idSesion}
Validity: ${_provider.validityInSeconds}s
''';

    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Stored Auth Data'),
        content: Text(authData),
        actions: [
          TextButton(
            onPressed: () => Navigator.pop(context),
            child: const Text('Close'),
          ),
        ],
      ),
    );
  }

  Future<void> _clearAllPreferences() async {
    final confirmed = await showDialog<bool>(
      context: context,
      builder: (context) => AlertDialog(
        title: const Text('Confirm'),
        content: const Text('Clear all preferences?'),
        actions: [
          TextButton(
            onPressed: () => Navigator.pop(context, false),
            child: const Text('Cancel'),
          ),
          TextButton(
            onPressed: () => Navigator.pop(context, true),
            child: const Text('Clear'),
          ),
        ],
      ),
    );

    if (confirmed == true) {
      final success = await _provider.limpiarPreferencias();
      _showMessage(success
          ? 'All preferences cleared'
          : 'Failed to clear preferences');

      setState(() {
        _readValue = '';
        _keyController.clear();
        _valueController.clear();
      });
    }
  }

  void _showMessage(String message) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(content: Text(message)),
    );
  }

  @override
  void dispose() {
    _keyController.dispose();
    _valueController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: const Text('DataShpProvider Example'),
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            // Initialization status
            Card(
              child: Padding(
                padding: const EdgeInsets.all(16.0),
                child: Column(
                  children: [
                    const Text(
                      'Initialization Status',
                      style: TextStyle(
                        fontSize: 18,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                    const SizedBox(height: 8),
                    Text(_statusMessage),
                  ],
                ),
              ),
            ),
            const SizedBox(height: 24),

            // Generic getValue/saveValue
            const Text(
              'Generic Storage',
              style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            TextField(
              controller: _keyController,
              decoration: const InputDecoration(
                labelText: 'Key',
                border: OutlineInputBorder(),
              ),
            ),
            const SizedBox(height: 8),
            TextField(
              controller: _valueController,
              decoration: const InputDecoration(
                labelText: 'Value',
                border: OutlineInputBorder(),
              ),
            ),
            const SizedBox(height: 8),
            Row(
              children: [
                Expanded(
                  child: ElevatedButton(
                    onPressed: _saveGenericValue,
                    child: const Text('Save'),
                  ),
                ),
                const SizedBox(width: 8),
                Expanded(
                  child: ElevatedButton(
                    onPressed: _readGenericValue,
                    child: const Text('Read'),
                  ),
                ),
              ],
            ),
            if (_readValue.isNotEmpty) ...[
              const SizedBox(height: 8),
              Card(
                color: Colors.green.shade50,
                child: Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: Text('Read value: $_readValue'),
                ),
              ),
            ],
            const SizedBox(height: 24),

            // Authentication data
            const Text(
              'Authentication Data',
              style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            ElevatedButton(
              onPressed: _saveAuthData,
              style: ElevatedButton.styleFrom(
                backgroundColor: Colors.blue,
                foregroundColor: Colors.white,
              ),
              child: const Text('Save Demo Auth Data'),
            ),
            const SizedBox(height: 8),
            ElevatedButton(
              onPressed: _readAuthData,
              style: ElevatedButton.styleFrom(
                backgroundColor: Colors.green,
                foregroundColor: Colors.white,
              ),
              child: const Text('Read Auth Data'),
            ),
            const SizedBox(height: 24),

            // Clear all
            const Text(
              'Danger Zone',
              style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            ElevatedButton(
              onPressed: _clearAllPreferences,
              style: ElevatedButton.styleFrom(
                backgroundColor: Colors.red,
                foregroundColor: Colors.white,
              ),
              child: const Text('Clear All Preferences'),
            ),
          ],
        ),
      ),
    );
  }
}