866 lines
28 KiB
Dart
866 lines
28 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:screenshot/screenshot.dart';
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import 'dart:io';
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import 'package:flutter/services.dart';
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import 'package:flutter_mjpeg/flutter_mjpeg.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:image/image.dart' as img;
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import 'yolo_detector.dart';
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import 'preview_screen.dart';
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import 'package:wakelock_plus/wakelock_plus.dart';
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import '../utils/translations.dart';
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enum ImageFilterType { none, greyscale, invert}
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class CameraStreamScreen extends StatefulWidget {
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final int cameraIndex;
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const CameraStreamScreen({super.key, required this.cameraIndex});
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@override
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State<CameraStreamScreen> createState() => _CameraStreamScreenState();
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}
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class _CameraStreamScreenState extends State<CameraStreamScreen> with SingleTickerProviderStateMixin {
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String? _streamUrl;
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bool _isError = false;
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bool _isCapturing = false;
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final ScreenshotController _screenshotController = ScreenshotController();
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final TransformationController _transformationController = TransformationController();
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ImageFilterType _selectedFilter = ImageFilterType.none;
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late YOLODetector _yoloDetector;
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int _numberOfBullets = 5;
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// Brightness and contrast controls
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double _brightness = 0.0; // -1.0 to 1.0
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double _contrast = 1.0; // 0.0 to 2.0
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late AnimationController _zoomAnimController;
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Animation<Matrix4>? _zoomAnimation;
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Matrix4? _originalMatrix;
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Color _bulletColor = Colors.blue; // default/fallback bullet color
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String _selectedLanguage = 'English';
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String _t(String key) {
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return AppTranslations.translate(key, _selectedLanguage);
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}
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@override
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void initState() {
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super.initState();
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_loadLanguage();
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_loadStreamUrl();
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_loadBulletCount();
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_loadSelectedFilter();
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_loadBulletColor(); // 👈 add this to actually load the saved bullet color
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_loadBrightnessContrast();
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YOLODetector.create().then((detector) => _yoloDetector = detector);
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_setSystemBarStyle(); // 👈 set colors
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SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge); // 👈 show bars
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_keepScreenAwake();
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_zoomAnimController = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 200),
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);
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}
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Future<void> _loadBrightnessContrast() async {
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final prefs = await SharedPreferences.getInstance();
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setState(() {
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_brightness = prefs.getDouble('brightness') ?? 0.0;
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_contrast = prefs.getDouble('contrast') ?? 1.0;
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});
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}
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Future<void> _saveBrightnessContrast() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setDouble('brightness', _brightness);
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await prefs.setDouble('contrast', _contrast);
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}
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Future<void> _loadLanguage() async {
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final prefs = await SharedPreferences.getInstance();
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setState(() {
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_selectedLanguage = prefs.getString('language') ?? 'English';
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});
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}
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Future<void> _loadBulletColor() async {
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final prefs = await SharedPreferences.getInstance();
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final selected = prefs.getString('bulletColor') ?? 'Blue';
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setState(() {
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_bulletColor = _getColorFromName(selected);
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});
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}
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Color _getColorFromName(String colorName) {
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switch (colorName.toLowerCase()) {
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case 'blue':
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return Colors.blue;
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case 'green':
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return Colors.green;
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case 'yellow':
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return Colors.yellow;
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case 'purple':
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return Colors.purple;
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case 'cyan':
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return Colors.cyan;
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case 'teal':
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return Colors.teal;
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case 'indigo':
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return Colors.indigo;
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case 'pink':
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return Colors.pink;
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case 'lime':
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return Colors.lime;
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case 'mint':
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return Colors.greenAccent;
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case 'sky':
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return Colors.orange;
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case 'violet':
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return Colors.deepPurpleAccent;
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case 'amber':
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return Colors.amber;
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case 'brown':
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return Colors.brown;
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case 'grey':
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return Colors.grey;
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default:
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return Colors.blue; // fallback
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}
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}
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void _setSystemBarStyle() {
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SystemChrome.setSystemUIOverlayStyle(
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SystemUiOverlayStyle(
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statusBarColor: Colors.grey[900], // ✅ match your AppBar
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statusBarIconBrightness: Brightness.light, // white icons
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systemNavigationBarColor: Colors.grey[900],
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systemNavigationBarIconBrightness: Brightness.light,
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),
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);
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}
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Future<void> _loadSelectedFilter() async {
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final prefs = await SharedPreferences.getInstance();
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final index = prefs.getInt('selectedFilter');
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if (index != null && index >= 0 && index < ImageFilterType.values.length) {
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setState(() {
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_selectedFilter = ImageFilterType.values[index];
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});
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}
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}
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Future<void> _keepScreenAwake() async {
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try {
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await WakelockPlus.enable();
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} catch (e) {
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debugPrint("⚠️ Could not keep screen awake: $e");
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}
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}
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Future<void> _loadStreamUrl() async {
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final prefs = await SharedPreferences.getInstance();
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String? url = prefs.getString('cameraIP_${widget.cameraIndex}');
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setState(() {
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_streamUrl = (url != null && url.trim().isNotEmpty)
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? (url.startsWith(RegExp(r"https?://")) ? url : "http://$url")
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: null;
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_isError = _streamUrl == null;
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});
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}
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Future<void> _loadBulletCount() async {
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final prefs = await SharedPreferences.getInstance();
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setState(() {
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_numberOfBullets = prefs.getInt('bulletCount') ?? 5;
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});
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}
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Future<void> _captureAndPreviewImage() async {
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if (_streamUrl == null || _isCapturing) return;
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setState(() => _isCapturing = true);
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_originalMatrix = _transformationController.value;
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try {
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final targetMatrix = Matrix4.identity()..scale(1.0);
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final isZoomedIn = !_matrixEquals(_originalMatrix!, targetMatrix);
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if (isZoomedIn) {
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_zoomAnimController.reset();
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_zoomAnimation = Matrix4Tween(
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begin: _originalMatrix,
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end: targetMatrix,
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).animate(CurvedAnimation(
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parent: _zoomAnimController,
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curve: Curves.easeOut,
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));
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void updateZoom() {
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_transformationController.value = _zoomAnimation!.value;
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}
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_zoomAnimController.addListener(updateZoom);
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await _zoomAnimController.forward();
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_zoomAnimController.removeListener(updateZoom);
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}
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await Future.delayed(const Duration(milliseconds: 100));
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final imageBytes = await _screenshotController.capture();
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if (imageBytes == null || imageBytes.isEmpty) return;
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final decoded = img.decodeImage(imageBytes);
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if (decoded == null) return;
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final width = decoded.width;
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final height = decoded.height;
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final size = width < height ? width : height;
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final offsetX = (width - size) ~/ 2;
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final offsetY = (height - size) ~/ 2;
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final cropped = img.copyCrop(decoded, x: offsetX, y: offsetY, width: size, height: size);
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// Debugging: log the selected filter
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debugPrint("📸 Selected filter: $_selectedFilter");
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// Create the output directory and path
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final dir = await getApplicationDocumentsDirectory();
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final path = '${dir.path}/ip_capture_temp.jpg';
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img.Image processed = cropped;
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// Apply the selected filter
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switch (_selectedFilter) {
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case ImageFilterType.greyscale:
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processed = img.grayscale(cropped);
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break;
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case ImageFilterType.invert:
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processed = invertImage(cropped); // ✅ use your custom invert function
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break;
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case ImageFilterType.none:
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break;
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}
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// Save the processed image to a file
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final file = File(path)..writeAsBytesSync(img.encodeJpg(processed));
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// Detect objects in the image using YOLO
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final detections = await _yoloDetector.detect(file);
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if (!mounted) return;
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// Navigate to the preview screen
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => PreviewScreen(
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imagePath: file.path,
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detections: detections,
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bulletCount: _numberOfBullets,
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),
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),
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);
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} catch (e) {
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debugPrint("❌ Capture error: $e");
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text("Capture failed: $e")),
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);
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}
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} finally {
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_zoomAnimController.reset();
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_zoomAnimation = Matrix4Tween(
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begin: _transformationController.value,
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end: _originalMatrix!,
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).animate(CurvedAnimation(
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parent: _zoomAnimController,
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curve: Curves.easeIn,
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));
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void restoreZoom() {
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_transformationController.value = _zoomAnimation!.value;
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}
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_zoomAnimController.addListener(restoreZoom);
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await _zoomAnimController.forward();
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_zoomAnimController.removeListener(restoreZoom);
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setState(() => _isCapturing = false);
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}
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}
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img.Image invertImage(img.Image source) {
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final result = img.Image.from(source);
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for (int y = 0; y < result.height; y++) {
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for (int x = 0; x < result.width; x++) {
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final pixel = result.getPixel(x, y);
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result.setPixelRgb(x, y, 255 - pixel.r, 255 - pixel.g, 255 - pixel.b);
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}
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}
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return result;
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}
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bool _matrixEquals(Matrix4 a, Matrix4 b) {
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for (int i = 0; i < 16; i++) {
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if ((a.storage[i] - b.storage[i]).abs() > 0.001) return false;
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}
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return true;
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}
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void _showBulletDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return Dialog(
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backgroundColor: Colors.grey[900],
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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child: Padding(
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padding: const EdgeInsets.all(24.0), // Increased padding for better spacing
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Padding(
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padding: const EdgeInsets.only(bottom: 16.0),
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child: Text(
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_t('Select the number of bullets'),
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textAlign: TextAlign.center,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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),
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Center(
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child: Wrap(
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alignment: WrapAlignment.center,
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spacing: 12,
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runSpacing: 12,
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children: List.generate(5, (index) {
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final bulletNum = index + 1;
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final isSelected = _numberOfBullets == bulletNum;
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return ElevatedButton(
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onPressed: () {
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_selectBulletCount(bulletNum);
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Navigator.of(context).pop();
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},
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style: ElevatedButton.styleFrom(
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backgroundColor:
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isSelected ? _bulletColor : Colors.grey[800],
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foregroundColor: Colors.white,
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padding:
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const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: Text(
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'$bulletNum',
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style: TextStyle(
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fontSize: 18,
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fontWeight:
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isSelected ? FontWeight.bold : FontWeight.normal,
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),
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),
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);
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}),
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),
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),
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],
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),
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),
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);
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},
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);
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}
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void _showFilterDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return Dialog(
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backgroundColor: Colors.grey[900],
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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child: Padding(
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padding: const EdgeInsets.all(24.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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_t('Choose a Filter'),
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style: const TextStyle(color: Colors.white, fontSize: 20, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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Wrap(
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spacing: 12,
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runSpacing: 12,
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alignment: WrapAlignment.center,
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children: ImageFilterType.values.map((f) {
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final isSelected = _selectedFilter == f;
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final label = f.toString().split('.').last;
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final translatedLabel = _t(label[0].toUpperCase() + label.substring(1));
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return ElevatedButton(
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onPressed: () async {
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setState(() {
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_selectedFilter = f;
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});
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final prefs = await SharedPreferences.getInstance();
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await prefs.setInt('selectedFilter', f.index); // Save filter index
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if (context.mounted) {
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Navigator.of(context).pop();
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}
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: isSelected ? _bulletColor : Colors.grey[800],
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foregroundColor: Colors.white,
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),
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child: Text(translatedLabel),
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);
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}).toList(),
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),
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],
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),
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),
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);
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},
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);
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}
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void _selectBulletCount(int number) async {
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final prefs = await SharedPreferences.getInstance();
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setState(() {
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_numberOfBullets = number;
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});
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await prefs.setInt('bulletCount', number);
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}
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void _showHelpDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return Dialog(
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backgroundColor: Colors.grey[900],
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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child: Padding(
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padding: const EdgeInsets.all(24.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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_t('Help'),
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style: const TextStyle(color: Colors.white, fontSize: 24, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 20),
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_buildHelpItem(Icons.camera_alt, _t('Tap camera button to capture and detect bullets')),
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const SizedBox(height: 12),
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_buildHelpItem(Icons.filter_9_plus, _t('Bottom left number: Set expected bullet count (1-5)')),
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const SizedBox(height: 12),
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_buildHelpItem(Icons.brightness_6, _t('Sun icon: Adjust brightness and contrast for better visibility')),
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const SizedBox(height: 12),
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_buildHelpItem(Icons.filter_alt, _t('Filter icon: Apply color filters (None, Greyscale, Invert)')),
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const SizedBox(height: 12),
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_buildHelpItem(Icons.pinch, _t('Pinch to zoom on the camera stream')),
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const SizedBox(height: 20),
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Center(
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child: ElevatedButton(
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onPressed: () => Navigator.of(context).pop(),
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style: ElevatedButton.styleFrom(
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backgroundColor: _bulletColor,
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foregroundColor: Colors.white,
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),
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child: Text(_t('Got it!')),
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),
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),
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],
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),
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),
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);
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},
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);
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}
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Widget _buildHelpItem(IconData icon, String text) {
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return Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(icon, color: _bulletColor, size: 20),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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text,
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style: const TextStyle(color: Colors.white, fontSize: 14),
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),
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),
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],
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);
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}
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void _showBrightnessContrastDialog() {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return StatefulBuilder(
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builder: (context, setDialogState) {
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return Dialog(
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backgroundColor: Colors.grey[900],
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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child: Padding(
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padding: const EdgeInsets.all(24.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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_t('Brightness & Contrast'),
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style: const TextStyle(color: Colors.white, fontSize: 20, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 24),
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// Brightness slider
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'${_t('Brightness')}: ${(_brightness * 100).toInt()}',
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style: const TextStyle(color: Colors.white, fontSize: 16),
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),
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Slider(
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value: _brightness,
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min: -1.0,
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max: 1.0,
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divisions: 40,
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activeColor: _bulletColor,
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onChanged: (value) {
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setState(() {
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_brightness = value;
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});
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setDialogState(() {});
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_saveBrightnessContrast();
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},
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),
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],
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),
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const SizedBox(height: 16),
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|
// Contrast slider
|
|
Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
'${_t('Contrast')}: ${(_contrast * 100).toInt()}%',
|
|
style: const TextStyle(color: Colors.white, fontSize: 16),
|
|
),
|
|
Slider(
|
|
value: _contrast,
|
|
min: 0.5,
|
|
max: 2.0,
|
|
divisions: 30,
|
|
activeColor: _bulletColor,
|
|
onChanged: (value) {
|
|
setState(() {
|
|
_contrast = value;
|
|
});
|
|
setDialogState(() {});
|
|
_saveBrightnessContrast();
|
|
},
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 16),
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
|
children: [
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
setState(() {
|
|
_brightness = 0.0;
|
|
_contrast = 1.0;
|
|
});
|
|
setDialogState(() {});
|
|
_saveBrightnessContrast();
|
|
},
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: Colors.grey[800],
|
|
foregroundColor: Colors.white,
|
|
),
|
|
child: Text(_t('Reset')),
|
|
),
|
|
ElevatedButton(
|
|
onPressed: () {
|
|
Navigator.of(context).pop();
|
|
},
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: _bulletColor,
|
|
foregroundColor: Colors.white,
|
|
),
|
|
child: Text(_t('Done')),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_zoomAnimController.dispose();
|
|
_yoloDetector.close();
|
|
_restoreScreenSettings();
|
|
|
|
_setSystemBarStyle(); // restore grey[900] on back
|
|
|
|
super.dispose();
|
|
}
|
|
|
|
|
|
Future<void> _restoreScreenSettings() async {
|
|
try {
|
|
await WakelockPlus.disable();
|
|
} catch (e) {
|
|
debugPrint("⚠️ Could not restore screen settings: $e");
|
|
}
|
|
}
|
|
|
|
ColorFilter _buildColorFilter() {
|
|
// Base filter matrix
|
|
List<double> baseMatrix;
|
|
|
|
switch (_selectedFilter) {
|
|
case ImageFilterType.greyscale:
|
|
baseMatrix = [
|
|
0.2126, 0.7152, 0.0722, 0, 0,
|
|
0.2126, 0.7152, 0.0722, 0, 0,
|
|
0.2126, 0.7152, 0.0722, 0, 0,
|
|
0, 0, 0, 1, 0,
|
|
];
|
|
break;
|
|
case ImageFilterType.invert:
|
|
baseMatrix = [
|
|
-1.0, 0.0, 0.0, 0.0, 255.0,
|
|
0.0, -1.0, 0.0, 0.0, 255.0,
|
|
0.0, 0.0, -1.0, 0.0, 255.0,
|
|
0.0, 0.0, 0.0, 1.0, 0.0,
|
|
];
|
|
break;
|
|
default:
|
|
baseMatrix = [
|
|
1.0, 0.0, 0.0, 0.0, 0.0,
|
|
0.0, 1.0, 0.0, 0.0, 0.0,
|
|
0.0, 0.0, 1.0, 0.0, 0.0,
|
|
0.0, 0.0, 0.0, 1.0, 0.0,
|
|
];
|
|
}
|
|
|
|
// Apply brightness and contrast adjustments
|
|
final b = _brightness * 255.0; // Convert to 0-255 range
|
|
final c = _contrast;
|
|
|
|
// Combine filter with brightness/contrast
|
|
final adjustedMatrix = <double>[
|
|
c, 0.0, 0.0, 0.0, b,
|
|
0.0, c, 0.0, 0.0, b,
|
|
0.0, 0.0, c, 0.0, b,
|
|
0.0, 0.0, 0.0, 1.0, 0.0,
|
|
];
|
|
|
|
// Multiply base matrix with adjustment matrix
|
|
return ColorFilter.matrix(_multiplyMatrices(baseMatrix, adjustedMatrix));
|
|
}
|
|
|
|
List<double> _multiplyMatrices(List<double> a, List<double> b) {
|
|
// For simplicity, just apply brightness/contrast on top of base filter
|
|
final result = <double>[];
|
|
|
|
for (int i = 0; i < a.length; i++) {
|
|
result.add(a[i]);
|
|
}
|
|
|
|
// Apply contrast to RGB components
|
|
result[0] = result[0] * b[0]; // R
|
|
result[6] = result[6] * b[6]; // G
|
|
result[12] = result[12] * b[12]; // B
|
|
|
|
// Apply brightness
|
|
result[4] = result[4] + b[4]; // R offset
|
|
result[9] = result[9] + b[9]; // G offset
|
|
result[14] = result[14] + b[14]; // B offset
|
|
|
|
return result;
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
title: Text("${_t('Camera')} ${widget.cameraIndex}"),
|
|
backgroundColor: Colors.grey[900],
|
|
foregroundColor: Colors.white,
|
|
leading: IconButton(
|
|
icon: const Icon(Icons.arrow_back, color: Colors.white),
|
|
onPressed: () => Navigator.pop(context),
|
|
),
|
|
actions: [
|
|
IconButton(
|
|
icon: const Icon(Icons.help_outline, color: Colors.white),
|
|
onPressed: _showHelpDialog,
|
|
),
|
|
const SizedBox(width: 16),
|
|
],
|
|
),
|
|
backgroundColor: Colors.black,
|
|
body: Stack(
|
|
children: [
|
|
Screenshot(
|
|
controller: _screenshotController,
|
|
child: LayoutBuilder(
|
|
builder: (context, constraints) {
|
|
return Center(
|
|
child: (_isError || _streamUrl == null)
|
|
? _buildErrorContent()
|
|
: InteractiveViewer(
|
|
clipBehavior: Clip.hardEdge,
|
|
constrained: false,
|
|
boundaryMargin: EdgeInsets.zero,
|
|
minScale: 1.0,
|
|
maxScale: 5.0,
|
|
transformationController: _transformationController,
|
|
child: SizedBox(
|
|
width: constraints.maxWidth,
|
|
height: constraints.maxHeight,
|
|
child: RepaintBoundary(
|
|
child: ColorFiltered(
|
|
colorFilter: _buildColorFilter(),
|
|
child: Mjpeg(
|
|
stream: _streamUrl!,
|
|
isLive: true,
|
|
fit: BoxFit.contain,
|
|
error: (context, error, stackTrace) {
|
|
return _buildErrorContent();
|
|
},
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
|
|
if (_isCapturing)
|
|
Positioned.fill(
|
|
child: Container(
|
|
color: Colors.black.withValues(alpha: 0.4),
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
const CircularProgressIndicator(color: Colors.white),
|
|
const SizedBox(height: 16),
|
|
Text(
|
|
_t("Processing image..."),
|
|
style: const TextStyle(color: Colors.white, fontSize: 16),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
|
|
floatingActionButton: _isError
|
|
? null
|
|
: FloatingActionButton(
|
|
backgroundColor: Colors.white,
|
|
onPressed: _captureAndPreviewImage,
|
|
child: const Icon(Icons.camera_alt, color: Colors.black),
|
|
),
|
|
bottomNavigationBar: BottomAppBar(
|
|
color: Colors.grey[900],
|
|
shape: const CircularNotchedRectangle(),
|
|
notchMargin: 8.0,
|
|
child: SizedBox(
|
|
height: 60,
|
|
child: Row(
|
|
children: [
|
|
// Left - Bullet count (just number)
|
|
Expanded(
|
|
child: Align(
|
|
alignment: Alignment.centerLeft,
|
|
child: Padding(
|
|
padding: const EdgeInsets.only(left: 16.0),
|
|
child: InkWell(
|
|
onTap: _showBulletDialog,
|
|
child: Text(
|
|
'$_numberOfBullets',
|
|
style: const TextStyle(
|
|
fontSize: 24,
|
|
fontWeight: FontWeight.bold,
|
|
color: Colors.white,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
// Center space for FAB
|
|
const SizedBox(width: 80),
|
|
// Right section - Brightness and Filter
|
|
Expanded(
|
|
child: Row(
|
|
mainAxisAlignment: MainAxisAlignment.end,
|
|
children: [
|
|
IconButton(
|
|
icon: const Icon(Icons.brightness_6, color: Colors.white, size: 24),
|
|
onPressed: _showBrightnessContrastDialog,
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.filter_alt, color: Colors.white, size: 24),
|
|
onPressed: _showFilterDialog,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildErrorContent() {
|
|
return Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
const Icon(Icons.error, color: Colors.red, size: 100),
|
|
const SizedBox(height: 20),
|
|
Text(
|
|
_t("Unable to load camera stream"),
|
|
style: const TextStyle(color: Colors.white, fontSize: 18, fontWeight: FontWeight.bold),
|
|
),
|
|
const SizedBox(height: 10),
|
|
ElevatedButton(
|
|
onPressed: _loadStreamUrl,
|
|
child: Text(_t("Retry")),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
}
|