Запускается ZBAR сканнер в iOS версии приложения

ios/Runner/ScannerViewController.swift

@@ -0,0 +1,59 @@
+//
+//  ScannerViewController.swift
+//  Runner
+//
+//  Created by Ivan Murashov on 13/07/2017.
+//  Copyright © 2017 The Chromium Authors. All rights reserved.
+//
+
+import UIKit
+
+extension ZBarSymbolSet: Sequence {
+    public typealias Element  = ZBarSymbol
+    public typealias Iterator = NSFastEnumerationIterator
+    
+    public func makeIterator() -> NSFastEnumerationIterator {
+        return NSFastEnumerationIterator(self)
+    }
+}
+
+// TODO: Реализовать окно сканнера в этом контроллере, вместо вызова ZBarReaderViewController
+
+@objc class ScannerViewController: UIViewController, ZBarReaderDelegate {
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+    }
+    
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        let readerViewController = ZBarReaderViewController()
+        readerViewController.readerDelegate = self
+        readerViewController.readerView.zoom = 1.0
+        readerViewController.showsZBarControls = false
+        self.present(readerViewController, animated: true)
+    }
+    
+    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
+        guard let symbols = info[ZBarReaderControllerResults] as? ZBarSymbolSet else { return }
+        
+        for symbol in symbols {
+            
+            if let symbol = symbol as? ZBarSymbol, let data = symbol.data {
+            
+                let toast = UIAlertView()
+                toast.message = data
+                toast.show()
+                
+                navigationController?.popViewController(animated: true)
+            }
+        }
+        navigationController?.popViewController(animated: true)
+
+    }
+
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+    }
+
+}