COVIDSafe code from version 1.1

CovidSafe/UploadDataVC.swift

@@ -0,0 +1,56 @@
+import UIKit
+import CoreData
+
+class UploadDataViewController: UIViewController {
+    
+    // MARK: - Local
+    private var uploadStepsNavigationVC: UINavigationController?
+    var _preferredScreenEdgesDeferringSystemGestures: UIRectEdge = []
+    
+    // MARK: - Delegates
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(enableDeferringSystemGestures(_:)), name: .enableDeferringSystemGestures, object: nil)
+        NotificationCenter.default.addObserver(self, selector: #selector(disableDeferringSystemGestures(_:)), name: .disableDeferringSystemGestures, object: nil)
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        // Reset the Steps navigation vc whenever user re-enter this tab
+        uploadStepsNavigationVC?.popToRootViewController(animated: false)
+        
+    }
+    
+    override var preferredScreenEdgesDeferringSystemGestures: UIRectEdge {
+        return _preferredScreenEdgesDeferringSystemGestures
+    }
+    
+    override var preferredStatusBarStyle: UIStatusBarStyle {
+        return .lightContent
+    }
+    
+    @objc
+    func enableDeferringSystemGestures(_ notification: Notification) {
+        if #available(iOS 11.0, *) {
+            _preferredScreenEdgesDeferringSystemGestures = .bottom
+            setNeedsUpdateOfScreenEdgesDeferringSystemGestures()
+        }
+    }
+    
+    @objc
+    func disableDeferringSystemGestures(_ notification: Notification) {
+        if #available(iOS 11.0, *) {
+            _preferredScreenEdgesDeferringSystemGestures = []
+            setNeedsUpdateOfScreenEdgesDeferringSystemGestures()
+        }
+    }
+    
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        if let vc = segue.destination as? UINavigationController {
+            uploadStepsNavigationVC = vc
+        }
+    }
+    
+}