live_activity_update 0.0.2

live_activity_update: ^0.0.2 copied to clipboard

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:live_activity_update/live_activity_update.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';
  String? _activityId;
  bool _isActivityRunning = false;
  double _currentProgress = 0.0;
  final _liveActivityUpdatePlugin = LiveActivityUpdate();

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

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion =
          await _liveActivityUpdatePlugin.getPlatformVersion() ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

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

  Future<void> _startLiveActivity() async {
    try {
      final id = await _liveActivityUpdatePlugin.start(data: {
        'title': 'Food Delivery',
        'text': 'Your order is being prepared',
        'progress': 0.25,
        // Android-specific progress segments (API 34+)
        'segments': [
          {'weight': 1, 'color': 0xFF4CAF50}, // Green
          {'weight': 1, 'color': 0xFFFF9800}, // Orange
          {'weight': 2, 'color': 0xFF9E9E9E}, // Grey
        ],
        'points': [
          {'position': 25, 'color': 0xFF2196F3}, // Blue point at 25%
        ],
      });

      setState(() {
        _activityId = id;
        _isActivityRunning = true;
        _currentProgress = 0.25;
      });

      _showSnackBar('Live Activity Started: $id');
    } on LiveActivityException catch (e) {
      _showSnackBar('Error: ${e.code} - ${e.message}');
    } catch (e) {
      _showSnackBar('Failed to start activity: $e');
    }
  }

  Future<void> _updateLiveActivity() async {
    if (_activityId == null) return;

    try {
      // Simulate progress updates
      final newProgress = (_currentProgress + 0.25).clamp(0.0, 1.0);
      String newText;
      String newTitle;

      if (newProgress <= 0.25) {
        newTitle = 'Food Delivery';
        newText = 'Preparing your order...';
      } else if (newProgress <= 0.5) {
        newTitle = 'Food Delivery';
        newText = 'Order ready for pickup';
      } else if (newProgress <= 0.75) {
        newTitle = 'Food Delivery';
        newText = 'Driver assigned - on the way!';
      } else {
        newTitle = 'Food Delivery';
        newText = 'Delivered! Enjoy your meal 🍕';
      }

      await _liveActivityUpdatePlugin.update(
        id: _activityId!,
        data: {
          'title': newTitle,
          'text': newText,
          'progress': newProgress,
          // Update segments for Android
          'segments': [
            {'weight': 1, 'color': newProgress >= 0.25 ? 0xFF4CAF50 : 0xFF9E9E9E},
            {'weight': 1, 'color': newProgress >= 0.50 ? 0xFF4CAF50 : 0xFF9E9E9E},
            {'weight': 1, 'color': newProgress >= 0.75 ? 0xFF4CAF50 : 0xFF9E9E9E},
            {'weight': 1, 'color': newProgress >= 1.0 ? 0xFF4CAF50 : 0xFF9E9E9E},
          ],
          'points': [
            {'position': (newProgress * 100).toInt(), 'color': 0xFF2196F3},
          ],
        },
      );

      setState(() {
        _currentProgress = newProgress;
      });

      _showSnackBar('Activity Updated - Progress: ${(newProgress * 100).toInt()}%');
    } on LiveActivityException catch (e) {
      _showSnackBar('Update Error: ${e.code} - ${e.message}');
    } catch (e) {
      _showSnackBar('Failed to update activity: $e');
    }
  }

  Future<void> _stopLiveActivity() async {
    if (_activityId == null) return;

    try {
      await _liveActivityUpdatePlugin.stop(id: _activityId!);

      setState(() {
        _activityId = null;
        _isActivityRunning = false;
        _currentProgress = 0.0;
      });

      _showSnackBar('Live Activity Stopped');
    } on LiveActivityException catch (e) {
      _showSnackBar('Stop Error: ${e.code} - ${e.message}');
    } catch (e) {
      _showSnackBar('Failed to stop activity: $e');
    }
  }

  void _showSnackBar(String message) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text(message),
        duration: const Duration(seconds: 3),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Live Activity Update Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        useMaterial3: true,
      ),
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Live Activity Update Demo'),
          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        ),
        body: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              Card(
                child: Padding(
                  padding: const EdgeInsets.all(16.0),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        'Platform Information',
                        style: Theme.of(context).textTheme.headlineSmall,
                      ),
                      const SizedBox(height: 8),
                      Text('Running on: $_platformVersion'),
                    ],
                  ),
                ),
              ),
              const SizedBox(height: 20),
              Card(
                child: Padding(
                  padding: const EdgeInsets.all(16.0),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        'Live Activity Status',
                        style: Theme.of(context).textTheme.headlineSmall,
                      ),
                      const SizedBox(height: 8),
                      Text('Status: ${_isActivityRunning ? 'Active' : 'Inactive'}'),
                      if (_activityId != null) ...[
                        const SizedBox(height: 4),
                        Text('ID: $_activityId'),
                        const SizedBox(height: 4),
                        Text('Progress: ${(_currentProgress * 100).toInt()}%'),
                      ],
                    ],
                  ),
                ),
              ),
              const SizedBox(height: 20),
              if (_currentProgress > 0.0 && _currentProgress < 1.0) ...[
                LinearProgressIndicator(
                  value: _currentProgress,
                  backgroundColor: Colors.grey[300],
                  valueColor: AlwaysStoppedAnimation<Color>(
                    _currentProgress >= 1.0 ? Colors.green : Colors.blue,
                  ),
                ),
                const SizedBox(height: 20),
              ],
              ElevatedButton.icon(
                onPressed: !_isActivityRunning ? _startLiveActivity : null,
                icon: const Icon(Icons.play_arrow),
                label: const Text('Start Live Activity'),
                style: ElevatedButton.styleFrom(
                  padding: const EdgeInsets.symmetric(vertical: 12),
                ),
              ),
              const SizedBox(height: 12),
              ElevatedButton.icon(
                onPressed: _isActivityRunning && _currentProgress < 1.0
                    ? _updateLiveActivity
                    : null,
                icon: const Icon(Icons.update),
                label: const Text('Update Activity'),
                style: ElevatedButton.styleFrom(
                  padding: const EdgeInsets.symmetric(vertical: 12),
                ),
              ),
              const SizedBox(height: 12),
              ElevatedButton.icon(
                onPressed: _isActivityRunning ? _stopLiveActivity : null,
                icon: const Icon(Icons.stop),
                label: const Text('Stop Activity'),
                style: ElevatedButton.styleFrom(
                  padding: const EdgeInsets.symmetric(vertical: 12),
                  backgroundColor: Colors.red,
                  foregroundColor: Colors.white,
                ),
              ),
              const SizedBox(height: 30),
              Card(
                color: Colors.blue[50],
                child: Padding(
                  padding: const EdgeInsets.all(16.0),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Row(
                        children: [
                          Icon(Icons.info_outline, color: Colors.blue[700]),
                          const SizedBox(width: 8),
                          Text(
                            'How it works',
                            style: Theme.of(context).textTheme.titleMedium?.copyWith(
                              color: Colors.blue[700],
                              fontWeight: FontWeight.bold,
                            ),
                          ),
                        ],
                      ),
                      const SizedBox(height: 12),
                      const Text(
                        '• iOS: Creates Live Activities that appear in Dynamic Island and Lock Screen\n'
                            '• Android: Shows ongoing notifications with live updates\n'
                            '• Android 14+: Supports rich progress indicators with segments and points\n'
                            '• Updates happen in real-time without opening the app',
                        style: TextStyle(height: 1.5),
                      ),
                    ],
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}