This commit is contained in:
Odein
2023-11-29 15:00:21 +04:30
parent cd3b1080f5
commit a7f57688a7
22 changed files with 523 additions and 426 deletions
@@ -1,328 +1,328 @@
// ignore_for_file: dead_code
// // ignore_for_file: dead_code
import 'dart:async';
import 'dart:io';
// import 'dart:async';
// import 'dart:io';
import 'package:camera/camera.dart';
import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:path_provider/path_provider.dart';
import 'package:provider/provider.dart';
// import 'package:camera/camera.dart';
// import 'package:file_picker/file_picker.dart';
// import 'package:flutter/material.dart';
// import 'package:path_provider/path_provider.dart';
// import 'package:provider/provider.dart';
import '../../../providers/test_results.dart';
// import '../../../providers/test_results.dart';
class CaptureImage extends StatefulWidget {
@override
_CaptureImageState createState() {
return _CaptureImageState();
}
}
// class CaptureImage extends StatefulWidget {
// @override
// _CaptureImageState createState() {
// return _CaptureImageState();
// }
// }
/// Returns a suitable camera icon for [direction].
IconData getCameraLensIcon(CameraLensDirection direction) {
switch (direction) {
case CameraLensDirection.back:
return Icons.camera_rear;
case CameraLensDirection.front:
return Icons.camera_front;
case CameraLensDirection.external:
return Icons.camera;
}
throw ArgumentError('Unknown lens direction');
}
// /// Returns a suitable camera icon for [direction].
// IconData getCameraLensIcon(CameraLensDirection direction) {
// switch (direction) {
// case CameraLensDirection.back:
// return Icons.camera_rear;
// case CameraLensDirection.front:
// return Icons.camera_front;
// case CameraLensDirection.external:
// return Icons.camera;
// }
// throw ArgumentError('Unknown lens direction');
// }
void logError(String code, String message) =>
print('Error: $code\nError Message: $message');
// void logError(String code, String message) =>
// print('Error: $code\nError Message: $message');
class _CaptureImageState extends State<CaptureImage>
with WidgetsBindingObserver {
CameraController? controller;
String? imagePath;
// String videoPath;
VoidCallback? videoPlayerListener;
bool isInit = true;
int curCamera = 0;
var cameras;
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
}
// class _CaptureImageState extends State<CaptureImage>
// with WidgetsBindingObserver {
// CameraController? controller;
// String? imagePath;
// // String videoPath;
// VoidCallback? videoPlayerListener;
// bool isInit = true;
// int curCamera = 0;
// var cameras;
// @override
// void initState() {
// super.initState();
// WidgetsBinding.instance.addObserver(this);
// }
@override
void didChangeDependencies() async {
if (isInit) {
cameras = await availableCameras();
onNewCameraSelected(cameras[curCamera]);
setState(() {
isInit = false;
});
}
super.didChangeDependencies();
}
// @override
// void didChangeDependencies() async {
// if (isInit) {
// cameras = await availableCameras();
// onNewCameraSelected(cameras[curCamera]);
// setState(() {
// isInit = false;
// });
// }
// super.didChangeDependencies();
// }
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
super.dispose();
}
// @override
// void dispose() {
// WidgetsBinding.instance.removeObserver(this);
// super.dispose();
// }
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
// App state changed before we got the chance to initialize.
if (controller == null || !controller!.value.isInitialized) {
return;
}
if (state == AppLifecycleState.inactive) {
controller?.dispose();
} else if (state == AppLifecycleState.resumed) {
if (controller != null) {
onNewCameraSelected(controller!.description);
}
}
}
// @override
// void didChangeAppLifecycleState(AppLifecycleState state) {
// // App state changed before we got the chance to initialize.
// if (controller == null || !controller!.value.isInitialized) {
// return;
// }
// if (state == AppLifecycleState.inactive) {
// controller?.dispose();
// } else if (state == AppLifecycleState.resumed) {
// if (controller != null) {
// onNewCameraSelected(controller!.description);
// }
// }
// }
final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
// final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
@override
Widget build(BuildContext context) {
return SafeArea(
child: Scaffold(
key: _scaffoldKey,
// appBar: AppBar(
// title: const Text('Take Picture'),
// ),
body: isInit
? Center(
child: CircularProgressIndicator(
color: Colors.black,
),
)
: Stack(children: <Widget>[
_cameraPreviewWidget(),
Positioned(
bottom: 100, left: 100, child: _captureControlRowWidget()),
Positioned(
bottom: 100,
right: 100,
child: InkWell(
onTap: () {
if (curCamera == 0) {
try {
onNewCameraSelected(cameras[1]);
setState(() {
curCamera = 1;
});
} catch (e) {}
} else {
onNewCameraSelected(cameras[0]);
setState(() {
curCamera = 0;
});
}
},
child: Icon(
curCamera == 0 ? Icons.camera_rear : Icons.camera_front,
size: 40,
color: Colors.white,
),
),
),
// _cameraTogglesRowWidget(cameras),
]),
),
);
}
/// Display the preview from the camera (or a message if the preview is not available).
Widget _cameraPreviewWidget() {
if (controller == null || !controller!.value.isInitialized) {
return const Text(
'Tap a camera',
style: TextStyle(
color: Colors.white,
fontSize: 24.0,
fontWeight: FontWeight.w900,
),
);
} else {
return Container(
width: double.infinity,
child: CameraPreview(controller!),
);
}
}
/// Toggle recording audio
/// Display the control bar with buttons to take pictures and record videos.
Widget _captureControlRowWidget() {
return Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
mainAxisSize: MainAxisSize.max,
children: <Widget>[
IconButton(
icon: const Icon(
Icons.camera_alt,
size: 40,
color: Colors.white,
),
// color: Colors.blue,
onPressed: controller != null &&
controller!.value.isInitialized &&
!controller!.value.isRecordingVideo
? onTakePictureButtonPressed
: null,
),
],
);
}
getCameras() async {
return await availableCameras();
}
/// Display a row of toggle to select the camera (or a message if no camera is available).
// Widget _cameraTogglesRowWidget(var cameras) {
// final List<Widget> toggles = <Widget>[];
// if (cameras.isEmpty) {
// return const Text('No camera found');
// } else {
// for (CameraDescription cameraDescription in cameras) {
// print("${cameraDescription.name}");
// toggles.add(
// SizedBox(
// width: 90.0,
// child: RadioListTile<CameraDescription>(
// title: Icon(getCameraLensIcon(cameraDescription.lensDirection)),
// groupValue: controller?.description,
// value: cameraDescription,
// onChanged: controller != null && controller.value.isRecordingVideo
// ? null
// : onNewCameraSelected,
// ),
// ),
// );
// }
// }
// return Row(children: toggles);
// }
String timestamp() => DateTime.now().millisecondsSinceEpoch.toString();
void showInSnackBar(String message) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(message),
),
);
}
void onNewCameraSelected(CameraDescription cameraDescription) async {
print(cameraDescription.lensDirection.toString());
if (controller != null) {
await controller!.dispose();
}
controller = CameraController(
cameraDescription,
ResolutionPreset.medium,
// enableAudio: enableAudio,
);
// If the controller is updated then update the UI.
controller!.addListener(() {
if (mounted) setState(() {});
if (controller!.value.hasError) {
showInSnackBar('Camera error ${controller!.value.errorDescription}');
}
});
try {
await controller!.initialize();
} on CameraException catch (e) {
_showCameraException(e);
}
if (mounted) {
setState(() {});
}
}
void onTakePictureButtonPressed() {
takePicture().then((String? filePath) {
if (mounted) {
setState(() {
imagePath = filePath;
var profileProviderObject =
Provider.of<TestResultsProvider>(context, listen: false);
List<PlatformFile> files = profileProviderObject.catchImages;
print(imagePath);
files.add(PlatformFile(
name: 'test',
size: 0,
path: imagePath,
bytes: File(imagePath!).readAsBytesSync()));
profileProviderObject.setCatchImages(files);
profileProviderObject.setImages();
print(imagePath);
});
if (filePath != null) {
Navigator.of(context).pop();
// showInSnackBar('Picture saved to $filePath');
}
}
});
}
Future<String?> takePicture() async {
if (!controller!.value.isInitialized) {
showInSnackBar('Error: select a camera first.');
return null;
}
final Directory extDir = await getApplicationDocumentsDirectory();
final String dirPath = '${extDir.path}/Pictures/flutter_test';
await Directory(dirPath).create(recursive: true);
final String filePath = '$dirPath/${timestamp()}.jpg';
if (controller!.value.isTakingPicture) {
// A capture is already pending, do nothing.
return null;
}
try {
await controller!.takePicture();
} on CameraException catch (e) {
_showCameraException(e);
return null;
}
return filePath;
}
void _showCameraException(CameraException e) {
logError(e.code, e.description!);
showInSnackBar('Error: ${e.code}\n${e.description}');
}
}
// class CameraApp extends StatelessWidget {
// @override
// Widget build(BuildContext context) {
// return MaterialApp(
// home: CaptureImage(),
// return SafeArea(
// child: Scaffold(
// key: _scaffoldKey,
// // appBar: AppBar(
// // title: const Text('Take Picture'),
// // ),
// body: isInit
// ? Center(
// child: CircularProgressIndicator(
// color: Colors.black,
// ),
// )
// : Stack(children: <Widget>[
// _cameraPreviewWidget(),
// Positioned(
// bottom: 100, left: 100, child: _captureControlRowWidget()),
// Positioned(
// bottom: 100,
// right: 100,
// child: InkWell(
// onTap: () {
// if (curCamera == 0) {
// try {
// onNewCameraSelected(cameras[1]);
// setState(() {
// curCamera = 1;
// });
// } catch (e) {}
// } else {
// onNewCameraSelected(cameras[0]);
// setState(() {
// curCamera = 0;
// });
// }
// },
// child: Icon(
// curCamera == 0 ? Icons.camera_rear : Icons.camera_front,
// size: 40,
// color: Colors.white,
// ),
// ),
// ),
// // _cameraTogglesRowWidget(cameras),
// ]),
// ),
// );
// }
// }
// List<CameraDescription> cameras = [];
// Future<void> main() async {
// // Fetch the available cameras before initializing the app.
// try {
// WidgetsFlutterBinding.ensureInitialized();
// } on CameraException catch (e) {
// logError(e.code, e.description);
// /// Display the preview from the camera (or a message if the preview is not available).
// Widget _cameraPreviewWidget() {
// if (controller == null || !controller!.value.isInitialized) {
// return const Text(
// 'Tap a camera',
// style: TextStyle(
// color: Colors.white,
// fontSize: 24.0,
// fontWeight: FontWeight.w900,
// ),
// );
// } else {
// return Container(
// width: double.infinity,
// child: CameraPreview(controller!),
// );
// }
// }
// /// Toggle recording audio
// /// Display the control bar with buttons to take pictures and record videos.
// Widget _captureControlRowWidget() {
// return Row(
// mainAxisAlignment: MainAxisAlignment.spaceEvenly,
// mainAxisSize: MainAxisSize.max,
// children: <Widget>[
// IconButton(
// icon: const Icon(
// Icons.camera_alt,
// size: 40,
// color: Colors.white,
// ),
// // color: Colors.blue,
// onPressed: controller != null &&
// controller!.value.isInitialized &&
// !controller!.value.isRecordingVideo
// ? onTakePictureButtonPressed
// : null,
// ),
// ],
// );
// }
// getCameras() async {
// return await availableCameras();
// }
// /// Display a row of toggle to select the camera (or a message if no camera is available).
// // Widget _cameraTogglesRowWidget(var cameras) {
// // final List<Widget> toggles = <Widget>[];
// // if (cameras.isEmpty) {
// // return const Text('No camera found');
// // } else {
// // for (CameraDescription cameraDescription in cameras) {
// // print("${cameraDescription.name}");
// // toggles.add(
// // SizedBox(
// // width: 90.0,
// // child: RadioListTile<CameraDescription>(
// // title: Icon(getCameraLensIcon(cameraDescription.lensDirection)),
// // groupValue: controller?.description,
// // value: cameraDescription,
// // onChanged: controller != null && controller.value.isRecordingVideo
// // ? null
// // : onNewCameraSelected,
// // ),
// // ),
// // );
// // }
// // }
// // return Row(children: toggles);
// // }
// String timestamp() => DateTime.now().millisecondsSinceEpoch.toString();
// void showInSnackBar(String message) {
// ScaffoldMessenger.of(context).showSnackBar(
// SnackBar(
// content: Text(message),
// ),
// );
// }
// void onNewCameraSelected(CameraDescription cameraDescription) async {
// print(cameraDescription.lensDirection.toString());
// if (controller != null) {
// await controller!.dispose();
// }
// controller = CameraController(
// cameraDescription,
// ResolutionPreset.medium,
// // enableAudio: enableAudio,
// );
// // If the controller is updated then update the UI.
// controller!.addListener(() {
// if (mounted) setState(() {});
// if (controller!.value.hasError) {
// showInSnackBar('Camera error ${controller!.value.errorDescription}');
// }
// });
// try {
// await controller!.initialize();
// } on CameraException catch (e) {
// _showCameraException(e);
// }
// if (mounted) {
// setState(() {});
// }
// }
// void onTakePictureButtonPressed() {
// takePicture().then((String? filePath) {
// if (mounted) {
// setState(() {
// imagePath = filePath;
// var profileProviderObject =
// Provider.of<TestResultsProvider>(context, listen: false);
// List<PlatformFile> files = profileProviderObject.catchImages;
// print(imagePath);
// files.add(PlatformFile(
// name: 'test',
// size: 0,
// path: imagePath,
// bytes: File(imagePath!).readAsBytesSync()));
// profileProviderObject.setCatchImages(files);
// profileProviderObject.setImages();
// print(imagePath);
// });
// if (filePath != null) {
// Navigator.of(context).pop();
// // showInSnackBar('Picture saved to $filePath');
// }
// }
// });
// }
// Future<String?> takePicture() async {
// if (!controller!.value.isInitialized) {
// showInSnackBar('Error: select a camera first.');
// return null;
// }
// final Directory extDir = await getApplicationDocumentsDirectory();
// final String dirPath = '${extDir.path}/Pictures/flutter_test';
// await Directory(dirPath).create(recursive: true);
// final String filePath = '$dirPath/${timestamp()}.jpg';
// if (controller!.value.isTakingPicture) {
// // A capture is already pending, do nothing.
// return null;
// }
// try {
// await controller!.takePicture();
// } on CameraException catch (e) {
// _showCameraException(e);
// return null;
// }
// return filePath;
// }
// void _showCameraException(CameraException e) {
// logError(e.code, e.description!);
// showInSnackBar('Error: ${e.code}\n${e.description}');
// }
// runApp(CameraApp());
// }
// // class CameraApp extends StatelessWidget {
// // @override
// // Widget build(BuildContext context) {
// // return MaterialApp(
// // home: CaptureImage(),
// // );
// // }
// // }
// // List<CameraDescription> cameras = [];
// // Future<void> main() async {
// // // Fetch the available cameras before initializing the app.
// // try {
// // WidgetsFlutterBinding.ensureInitialized();
// // } on CameraException catch (e) {
// // logError(e.code, e.description);
// // }
// // runApp(CameraApp());
// // }