1.4.3

Author: chavesgu

CHANGELOG.md

@@ -1,3 +1,5 @@
+## 1.4.3
+- add ios decode bar code
 ## 1.4.2
 - fix
 ## 1.4.1

README.md

@@ -1,10 +1,10 @@
 # scan
 
-[![scan](https://img.shields.io/badge/pub-1.4.2-orange)](https://pub.dev/packages/scan)
+[![scan](https://img.shields.io/badge/pub-1.4.3-orange)](https://pub.dev/packages/scan)
 
-scan qrcode in widget tree.
+scan qrcode & barcode in widget tree.
 
-decode qrcode image from path.
+decode qrcode & barcode image from path.
 
 > if you want to generate qrcode image, you should use [qr_flutter](https://pub.dev/packages/qr_flutter)
 

example/ios/Podfile.lock

@@ -1,19 +1,16 @@
 PODS:
   - Flutter (1.0.0)
-  - image_picker (0.0.1):
-    - Flutter
   - images_picker (0.0.1):
     - Flutter
-    - ZLPhotoBrowser (= 4.1.3)
+    - ZLPhotoBrowser (= 4.1.5)
   - scan (0.0.1):
     - Flutter
-  - ZLPhotoBrowser (4.1.3):
-    - ZLPhotoBrowser/Core (= 4.1.3)
-  - ZLPhotoBrowser/Core (4.1.3)
+  - ZLPhotoBrowser (4.1.5):
+    - ZLPhotoBrowser/Core (= 4.1.5)
+  - ZLPhotoBrowser/Core (4.1.5)
 
 DEPENDENCIES:
   - Flutter (from `Flutter`)
-  - image_picker (from `.symlinks/plugins/image_picker/ios`)
   - images_picker (from `.symlinks/plugins/images_picker/ios`)
   - scan (from `.symlinks/plugins/scan/ios`)
 
@@ -24,19 +21,16 @@ SPEC REPOS:
 EXTERNAL SOURCES:
   Flutter:
     :path: Flutter
-  image_picker:
-    :path: ".symlinks/plugins/image_picker/ios"
   images_picker:
     :path: ".symlinks/plugins/images_picker/ios"
   scan:
     :path: ".symlinks/plugins/scan/ios"
 
 SPEC CHECKSUMS:
   Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c
-  image_picker: 50e7c7ff960e5f58faa4d1f4af84a771c671bc4a
-  images_picker: eb05ebd660218fba40842f7d26bc75d946c682e5
+  images_picker: 634f7663456c00364e7d1a16116c2cc2562ff50f
   scan: aea35bb4aa59ccc8839c576a18cd57c7d492cc86
-  ZLPhotoBrowser: 559062abac47b41ef140cff6ea2370e73623b05f
+  ZLPhotoBrowser: 809878607ea92e9411c580797ce1be23896b8d7f
 
 PODFILE CHECKSUM: aafe91acc616949ddb318b77800a7f51bffa2a4c
 

example/lib/main.dart

@@ -77,8 +77,12 @@ class _MyAppState extends State<MyApp> {
                   onPressed: () async {
                     List<Media>? res = await ImagesPicker.pick();
                     if (res != null) {
-                      String? qrcode = await Scan.parse(res[0].path!);
-                      print(qrcode);
+                      String? str = await Scan.parse(res[0].path!);
+                      if (str != null) {
+                        setState(() {
+                          qrcode = str;
+                        });
+                      }
                     }
                   },
                 ),

example/pubspec.lock

@@ -94,7 +94,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.4.1"
+    version: "1.4.3"
   sky_engine:
     dependency: transitive
     description: flutter

ios/Classes/SwiftScanPlugin.swift

@@ -1,5 +1,6 @@
 import Flutter
 import UIKit
+import Vision
 
 public class SwiftScanPlugin: NSObject, FlutterPlugin {
   public static func register(with registrar: FlutterPluginRegistrar) {
@@ -16,11 +17,10 @@ public class SwiftScanPlugin: NSObject, FlutterPlugin {
     } else if call.method=="parse" {
       let path = call.arguments as! String;
       if let features = self.detectQRCode(UIImage.init(contentsOfFile: path)), !features.isEmpty {
-        for case let row as CIQRCodeFeature in features{
-          result(row.messageString);
-        }
+        let data = features.first as! CIQRCodeFeature
+        result(data.messageString);
       } else {
-        result(nil);
+        self.detectBarCode(UIImage.init(contentsOfFile: path), result: result)
       }
     }
   }
@@ -41,4 +41,36 @@ public class SwiftScanPlugin: NSObject, FlutterPlugin {
     }
     return nil
   }
+  
+  private func detectBarCode(_ image: UIImage?, result: @escaping FlutterResult) {
+    if let image = image, let ciImage = CIImage.init(image: image), #available(iOS 11.0, *) {
+      var requestHandler: VNImageRequestHandler;
+      if ciImage.properties.keys.contains((kCGImagePropertyOrientation as String)) {
+        requestHandler = VNImageRequestHandler(ciImage: ciImage, orientation: CGImagePropertyOrientation(rawValue: ciImage.properties[(kCGImagePropertyOrientation as String)] as! UInt32) ?? .up, options: [:])
+      } else {
+        requestHandler = VNImageRequestHandler(ciImage: ciImage, orientation: .up, options: [:])
+      }
+      let request = VNDetectBarcodesRequest { (request,error) in
+        var res: String? = nil;
+        if let observations = request.results as? [VNBarcodeObservation], !observations.isEmpty {
+          let data: VNBarcodeObservation = observations.first!;
+          res = data.payloadStringValue;
+        }
+        DispatchQueue.main.async {
+          result(res);
+        }
+      }
+      DispatchQueue.global(qos: .background).async {
+        do{
+          try requestHandler.perform([request])
+        } catch {
+          DispatchQueue.main.async {
+            result(nil);
+          }
+        }
+      }
+    } else {
+      result(nil);
+    }
+  }
 }

pubspec.yaml

@@ -1,7 +1,7 @@
 name: scan
-description: scan qrcode in widget tree with custom options.Accurately decode qrcode image from path.
-version: 1.4.2
-homepage: https://github.com/chavesgu/FlutterScan
+description: scan qrcode & barcode in widget tree with custom options.Accurately decode qrcode & barcode image from path.
+version: 1.4.3
+homepage: https://github.com/flutter-package/flutter_scan
 
 environment:
   sdk: ">=2.12.0 <3.0.0"