mofilo_content_filter 1.0.8

Multi-language content filtering for Flutter. Blocks offensive language, hate speech, and harmful content with advanced bypass detection.

example/lib/main.dart

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Content Filter Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        useMaterial3: true,
      ),
      home: const ContentFilterDemo(),
    );
  }
}

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

  @override
  State<ContentFilterDemo> createState() => _ContentFilterDemoState();
}

class _ContentFilterDemoState extends State<ContentFilterDemo> {
  final _textController = TextEditingController();
  ContentFilterResult? _result;

  void _checkContent() {
    final text = _textController.text;
    if (text.isEmpty) {
      setState(() {
        _result = null;
      });
      return;
    }

    setState(() {
      _result = ContentFilter.check(text);
    });
  }

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Content Filter Demo'),
        elevation: 2,
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            const Text(
              'Enter text to check:',
              style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            TextField(
              controller: _textController,
              decoration: const InputDecoration(
                border: OutlineInputBorder(),
                hintText: 'Type something...',
              ),
              maxLines: 3,
              onChanged: (_) => _checkContent(),
            ),
            const SizedBox(height: 16),
            ElevatedButton(
              onPressed: _checkContent,
              child: const Text('Check Content'),
            ),
            const SizedBox(height: 24),
            if (_result != null) ...[
              Card(
                color: _result!.isAllowed ? Colors.green[50] : Colors.red[50],
                child: Padding(
                  padding: const EdgeInsets.all(16.0),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Row(
                        children: [
                          Icon(
                            _result!.isAllowed ? Icons.check_circle : Icons.error,
                            color: _result!.isAllowed ? Colors.green : Colors.red,
                            size: 32,
                          ),
                          const SizedBox(width: 12),
                          Expanded(
                            child: Text(
                              _result!.isAllowed ? 'Content Allowed' : 'Content Blocked',
                              style: TextStyle(
                                fontSize: 20,
                                fontWeight: FontWeight.bold,
                                color: _result!.isAllowed ? Colors.green[800] : Colors.red[800],
                              ),
                            ),
                          ),
                        ],
                      ),
                      if (_result!.isBlocked) ...[
                        const SizedBox(height: 12),
                        const Divider(),
                        const SizedBox(height: 8),
                        Text(
                          'Reason:',
                          style: TextStyle(
                            fontWeight: FontWeight.bold,
                            color: Colors.red[800],
                          ),
                        ),
                        const SizedBox(height: 4),
                        Text(
                          _result!.reason ?? 'Unknown reason',
                          style: const TextStyle(fontSize: 14),
                        ),
                        const SizedBox(height: 12),
                        Text(
                          'Severity: ${_result!.severity.name.toUpperCase()}',
                          style: TextStyle(
                            fontWeight: FontWeight.bold,
                            color: Colors.red[800],
                          ),
                        ),
                      ],
                    ],
                  ),
                ),
              ),
            ],
            const SizedBox(height: 24),
            const Divider(),
            const SizedBox(height: 16),
            const Text(
              'Examples to try:',
              style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
            ),
            const SizedBox(height: 8),
            _buildExampleChip('chocolate cake', true),
            _buildExampleChip('apple pie', true),
            _buildExampleChip('test with profanity', false),
          ],
        ),
      ),
    );
  }

  Widget _buildExampleChip(String text, bool shouldPass) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4),
      child: InkWell(
        onTap: () {
          _textController.text = text;
          _checkContent();
        },
        child: Card(
          child: Padding(
            padding: const EdgeInsets.all(12),
            child: Row(
              children: [
                Icon(
                  shouldPass ? Icons.check_circle_outline : Icons.error_outline,
                  color: shouldPass ? Colors.green : Colors.orange,
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: Text(
                    text,
                    style: const TextStyle(fontSize: 14),
                  ),
                ),
                const Icon(Icons.arrow_forward_ios, size: 16),
              ],
            ),
          ),
        ),
      ),
    );
  }
}