39 lines
1.0 KiB
Dart
39 lines
1.0 KiB
Dart
import 'package:camera/camera.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:path/path.dart' as p;
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final cameraControllerProvider =
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StateNotifierProvider<CameraControllerNotifier, CameraController?>(
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(ref) => CameraControllerNotifier());
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class CameraControllerNotifier extends StateNotifier<CameraController?> {
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CameraControllerNotifier() : super(null);
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Future<void> initializeCamera(CameraDescription camera) async {
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final controller = CameraController(camera, ResolutionPreset.medium);
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await controller.initialize();
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state = controller;
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}
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Future<String> takePicture() async {
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if (state == null || !state!.value.isInitialized) {
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throw Exception('Camera is not initialized');
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}
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final path = p.join(
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(await getTemporaryDirectory()).path,
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'${DateTime.now()}.png',
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);
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await state!.takePicture();
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return path;
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}
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@override
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void dispose() {
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state?.dispose();
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super.dispose();
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}
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}
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