Here App Motion Monitoring and Notification Skipping Logic

motionMonitoring.swift

  // MARK - Motion Tracking Logic

  func startTrackingMotionActivity(handler: @escaping (CMMotionActivity) -> Void) {
    manager.startActivityUpdates(to: .main) { (activity) in
      guard let activity = activity else { return }
      if let lastActivity = self.currentActivity, lastActivity.automotive {
        self.stoppedDrivingAt = Date() // now
      }
      self.currentActivity = activity
      handler(activity)
    }
  }

  var isDriving: Bool {
    guard let activity = currentActivity else {
      return false
    }
    return activity.automotive
  }

  var drivingThreshold: Int {
    return 2
  }

  var hasBeenDriving: Bool {
    if isDriving { return true }
    guard let lastDroveAt = self.stoppedDrivingAt else {
      return false
    }
    return lastDroveAt > self.drivingThreshold.minutes.ago
  }

  var isUnknown: Bool {
    guard let activity = currentActivity else {
      return true
    }
    return activity.unknown
  }

  var skipNotifications: Bool {
    // ensure notification when motion unavailable (sim, denied access, etc.)
    guard MotionManager.isActivityAvailable() else {
      return false
    }
    return (self.hasBeenDriving || self.isUnknown)
  }