flutter_utils_providers 1.0.0

flutter_utils_providers: ^1.0.0 copied to clipboard

example/lib/main.dart

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

void main() {
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Utils Providers Example',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Utils Providers Demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final TextEditingController _passwordController = TextEditingController();
  String _validationResult = '';
  NivelSeguridadPassword _securityLevel = NivelSeguridadPassword.medio;

  void _validatePassword() {
    final isValid = FlutterUtilsProvider.validaPassword(
      _securityLevel,
      _passwordController.text,
    );

    setState(() {
      _validationResult = isValid
          ? 'Password is valid for ${_securityLevel.name} security level'
          : 'Password does not meet ${_securityLevel.name} security requirements';
    });
  }

  void _testDataManipulation() {
    // Example: Deep merge two maps
    final map1 = {'name': 'John', 'age': 30};
    final map2 = {'age': 31, 'city': 'New York'};
    final merged = FlutterUtilsProvider.deepMergeMapInmutable(map1, map2);

    // Example: Compare lists
    final list1 = [1, 2, 3];
    final list2 = [1, 2, 3];
    final areEqual = FlutterUtilsProvider.compararListas(list1, list2);

    setState(() {
      _validationResult = '''
Data Manipulation Examples:

Merged Map: $merged
Lists are equal: $areEqual
''';
    });
  }

  void _testJsonOperations() {
    // Example: Validate JSON
    final validJson = '{"name": "John", "age": 30}';
    final invalidJson = '{name: John}';

    final isValid1 = FlutterUtilsProvider.isValidJson(validJson);
    final isValid2 = FlutterUtilsProvider.isValidJson(invalidJson);

    setState(() {
      _validationResult = '''
JSON Validation Examples:

"$validJson" is valid: $isValid1
"$invalidJson" is valid: $isValid2
''';
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            const Text(
              'Password Validation',
              style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 16),
            TextField(
              controller: _passwordController,
              decoration: const InputDecoration(
                labelText: 'Enter password',
                border: OutlineInputBorder(),
              ),
              obscureText: true,
            ),
            const SizedBox(height: 16),
            DropdownButton<NivelSeguridadPassword>(
              value: _securityLevel,
              isExpanded: true,
              items: NivelSeguridadPassword.values.map((level) {
                return DropdownMenuItem(
                  value: level,
                  child: Text('Security Level: ${level.name}'),
                );
              }).toList(),
              onChanged: (value) {
                setState(() {
                  _securityLevel = value!;
                });
              },
            ),
            const SizedBox(height: 16),
            ElevatedButton(
              onPressed: _validatePassword,
              child: const Text('Validate Password'),
            ),
            const SizedBox(height: 32),
            const Text(
              'Other Utilities',
              style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 16),
            ElevatedButton(
              onPressed: _testDataManipulation,
              child: const Text('Test Data Manipulation'),
            ),
            const SizedBox(height: 8),
            ElevatedButton(
              onPressed: _testJsonOperations,
              child: const Text('Test JSON Operations'),
            ),
            const SizedBox(height: 32),
            const Text(
              'Result:',
              style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            Container(
              padding: const EdgeInsets.all(16),
              decoration: BoxDecoration(
                color: Colors.grey[200],
                borderRadius: BorderRadius.circular(8),
              ),
              child: Text(
                _validationResult.isEmpty
                    ? 'No result yet. Try the examples above!'
                    : _validationResult,
                style: const TextStyle(fontSize: 16),
              ),
            ),
          ],
        ),
      ),
    );
  }

  @override
  void dispose() {
    _passwordController.dispose();
    super.dispose();
  }
}