share_intent_package 1.0.8

share_intent_package: ^1.0.8 copied to clipboard

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:share_intent_package/share_intent_package.dart';

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

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  ShareData? _initialShare;

  StreamSubscription<ShareData>? _shareSubscription;
  final List<ShareData> _shareHistory = [];

  @override
  void initState() {
    super.initState();
    initPlatformState();
    initShareIntent();
  }

  @override
  void dispose() {
    _shareSubscription?.cancel();
    super.dispose();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    try {
      platformVersion =
          await ShareIntentPackage.instance.getPlatformVersion() ??
          'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  Future<void> initShareIntent() async {
    try {
      // Initialize the share intent functionality
      await ShareIntentPackage.instance.init();

      // Get initial share data (when app is opened from share intent)
      final initialShare = await ShareIntentPackage.instance.getInitialShare();
      if (initialShare != null && initialShare.hasData) {
        setState(() {
          _initialShare = initialShare;
          _shareHistory.insert(0, initialShare);
        });

        // Clear the initial share after processing
        await ShareIntentPackage.instance.reset();
      }

      // Listen for share intents while app is running
      _shareSubscription = ShareIntentPackage.instance.getShareStream().listen(
        (ShareData shareData) {
          if (mounted && shareData.hasData) {
            setState(() {
              _shareHistory.insert(0, shareData);
              // Keep only last 10 shares
              if (_shareHistory.length > 10) {
                _shareHistory.removeLast();
              }
            });
          }
        },
        onError: (error) {
          debugPrint('Share intent stream error: $error');
        },
      );
    } catch (e) {
      debugPrint('Error initializing share intent: $e');
    }
  }

  void _clearHistory() {
    setState(() {
      _shareHistory.clear();
      _initialShare = null;
    });
  }

  Widget _buildShareDataCard(ShareData shareData, {bool isInitial = false}) {
    return Card(
      margin: const EdgeInsets.all(8.0),
      child: Padding(
        padding: const EdgeInsets.all(12.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              children: [
                Icon(
                  isInitial ? Icons.launch : Icons.share,
                  color: isInitial ? Colors.green : Colors.blue,
                ),
                const SizedBox(width: 8),
                Text(
                  isInitial ? 'Initial Share (App Launch)' : 'Runtime Share',
                  style: const TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 16,
                  ),
                ),
              ],
            ),
            const Divider(),
            if (shareData.text != null) ...[
              const Text(
                'Text:',
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 4),
              Text(shareData.text!),
              const SizedBox(height: 8),
            ],
            if (shareData.filePaths != null &&
                shareData.filePaths!.isNotEmpty) ...[
              const Text(
                'Files:',
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 4),
              ...shareData.filePaths!.map(
                (path) => Padding(
                  padding: const EdgeInsets.only(left: 16, bottom: 4),
                  child: Text('• ${path.split('/').last}'),
                ),
              ),
              const SizedBox(height: 8),
            ],
            if (shareData.mimeType != null) ...[
              const Text(
                'MIME Type:',
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 4),
              Text(shareData.mimeType!),
              const SizedBox(height: 8),
            ],
            if (shareData.extraData != null &&
                shareData.extraData!.isNotEmpty) ...[
              const Text(
                'Extra Data:',
                style: TextStyle(fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 4),
              ...shareData.extraData!.entries.map(
                (entry) => Padding(
                  padding: const EdgeInsets.only(left: 16, bottom: 2),
                  child: Text('${entry.key}: ${entry.value}'),
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Share Intent Example'),
          backgroundColor: Colors.blue,
          foregroundColor: Colors.white,
          actions: [
            IconButton(
              icon: const Icon(Icons.clear_all),
              onPressed: _clearHistory,
              tooltip: 'Clear History',
            ),
          ],
        ),
        body: Column(
          children: [
            Container(
              width: double.infinity,
              padding: const EdgeInsets.all(16),
              color: Colors.grey[100],
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    'Platform: $_platformVersion',
                    style: const TextStyle(fontWeight: FontWeight.bold),
                  ),
                  const SizedBox(height: 8),
                  Text(
                    'Share History: ${_shareHistory.length} items',
                    style: const TextStyle(color: Colors.grey),
                  ),
                ],
              ),
            ),
            Expanded(
              child: _shareHistory.isEmpty
                  ? const Center(
                      child: Column(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: [
                          Icon(Icons.share, size: 64, color: Colors.grey),
                          SizedBox(height: 16),
                          Text(
                            'No shared content yet',
                            style: TextStyle(fontSize: 18, color: Colors.grey),
                          ),
                          SizedBox(height: 8),
                          Text(
                            'Share content from other apps to see it here',
                            style: TextStyle(color: Colors.grey),
                            textAlign: TextAlign.center,
                          ),
                        ],
                      ),
                    )
                  : ListView.builder(
                      itemCount: _shareHistory.length,
                      itemBuilder: (context, index) {
                        final shareData = _shareHistory[index];
                        final isInitial = shareData == _initialShare;
                        return _buildShareDataCard(
                          shareData,
                          isInitial: isInitial,
                        );
                      },
                    ),
            ),
          ],
        ),
      ),
    );
  }
}