Fix: update InputImageRotation parameter in example app for InputImag…

…e using camera plugin
flutter-ml · Jun 28, 2023 · 7b473d6 · 7b473d6
1 parent 6d7e82c
commit 7b473d6
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Showing 27 changed files with 1,072 additions and 518 deletions.
diff --git a/packages/example/lib/main.dart b/packages/example/lib/main.dart
@@ -1,4 +1,3 @@
-import 'package:camera/camera.dart';
 import 'package:flutter/material.dart';
 
 import 'nlp_detector_views/entity_extraction_view.dart';
@@ -14,13 +13,9 @@ import 'vision_detector_views/pose_detector_view.dart';
 import 'vision_detector_views/selfie_segmenter_view.dart';
 import 'vision_detector_views/text_detector_view.dart';
 
-List<CameraDescription> cameras = [];
-
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
 
-  cameras = await availableCameras();
-
   runApp(MyApp());
 }
 

diff --git a/packages/example/lib/vision_detector_views/barcode_scanner_view.dart b/packages/example/lib/vision_detector_views/barcode_scanner_view.dart
@@ -1,7 +1,8 @@
+import 'package:camera/camera.dart';
 import 'package:flutter/material.dart';
 import 'package:google_mlkit_barcode_scanning/google_mlkit_barcode_scanning.dart';
 
-import 'camera_view.dart';
+import 'detector_view.dart';
 import 'painters/barcode_detector_painter.dart';
 
 class BarcodeScannerView extends StatefulWidget {
@@ -15,6 +16,7 @@ class _BarcodeScannerViewState extends State<BarcodeScannerView> {
   bool _isBusy = false;
   CustomPaint? _customPaint;
   String? _text;
+  var _cameraLensDirection = CameraLensDirection.back;
 
   @override
   void dispose() {
@@ -25,17 +27,17 @@ class _BarcodeScannerViewState extends State<BarcodeScannerView> {
 
   @override
   Widget build(BuildContext context) {
-    return CameraView(
+    return DetectorView(
       title: 'Barcode Scanner',
       customPaint: _customPaint,
       text: _text,
-      onImage: (inputImage) {
-        processImage(inputImage);
-      },
+      onImage: _processImage,
+      initialCameraLensDirection: _cameraLensDirection,
+      onCameraLensDirectionChanged: (value) => _cameraLensDirection = value,
     );
   }
 
-  Future<void> processImage(InputImage inputImage) async {
+  Future<void> _processImage(InputImage inputImage) async {
     if (!_canProcess) return;
     if (_isBusy) return;
     _isBusy = true;
@@ -46,7 +48,11 @@ class _BarcodeScannerViewState extends State<BarcodeScannerView> {
     if (inputImage.metadata?.size != null &&
         inputImage.metadata?.rotation != null) {
       final painter = BarcodeDetectorPainter(
-          barcodes, inputImage.metadata!.size, inputImage.metadata!.rotation);
+        barcodes,
+        inputImage.metadata!.size,
+        inputImage.metadata!.rotation,
+        _cameraLensDirection,
+      );
       _customPaint = CustomPaint(painter: painter);
     } else {
       String text = 'Barcodes found: ${barcodes.length}\n\n';