COVIDSafe code from version 2.0 (#37)

CovidSafe/AppSettingsViewController.swift

@@ -0,0 +1,63 @@
+//
+//  AppSettingsViewController.swift
+//  CovidSafe
+//
+//  Copyright © 2020 Australian Government. All rights reserved.
+//
+
+import UIKit
+import CoreBluetooth
+import UserNotifications
+
+class AppSettingsViewController: UIViewController {
+    private var backupSensorDidUpdateStateCallback: ((SensorState, SensorType?) -> Void)?
+    
+    @IBOutlet weak var stepCounterLabel: UILabel!
+    @IBOutlet weak var topContentTextView: UITextView!
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        stepCounterLabel.text = String.localizedStringWithFormat( "stepCounter".localizedString(),
+            4,
+            4
+        )
+        topContentTextView.addLink("\(URLHelper.getHelpURL())#location-permission-android", enclosedIn: "*")
+        topContentTextView.addAllBold(enclosedIn: "#")
+    }
+    
+    @IBAction func proceedTapped(_ sender: UIButton) {
+        self.backupSensorDidUpdateStateCallback = BluetraceManager.shared.sensorDidUpdateStateCallback
+        BluetraceManager.shared.sensorDidUpdateStateCallback = sensorManagerDidUpdateBluetoothCallback
+        BluetraceManager.shared.turnOnBLE()
+        UserDefaults.standard.set(true, forKey: "turnedOnBluetooth")
+    }
+    
+    func sensorManagerDidUpdateBluetoothCallback(_ state: SensorState, type: SensorType?) {
+        DLog("Bluetooth state changed in permission request to \(state.rawValue)")
+        requestPushPermissions()
+    }
+    
+    func sensorManagerDidUpdateLocationCallback(_ state: SensorState, type: SensorType?) {
+        DLog("Location state changed in permission request to \(state.rawValue)")
+        
+        UserDefaults.standard.set(true, forKey: "allowedPermissions")
+        BluetraceManager.shared.sensorDidUpdateStateCallback = self.backupSensorDidUpdateStateCallback
+        DispatchQueue.main.async {
+            self.performSegue(withIdentifier: "showSuccessSegue", sender: self)
+        }
+    }
+    
+    func requestPushPermissions() {
+        
+        UNUserNotificationCenter.current()
+            .requestAuthorization(options: [.alert, .sound, .badge]) {
+                granted, error in
+                print("Permissions granted: \(granted)")
+                DispatchQueue.main.async {
+                    UIApplication.shared.registerForRemoteNotifications()
+                    BluetraceManager.shared.sensorDidUpdateStateCallback = self.sensorManagerDidUpdateLocationCallback
+                    BluetraceManager.shared.turnOnLocationSensor()
+                }
+        }
+    }
+}