Controlling exposure notification

Enables users to start and stop broadcasting and scanning, indicate if exposure notifications are running.

• Start the Exposure Notification Framework broadcasting and scanning process.
  • PWA requests start of Exposure Notification Framework
  • Call ExposureNotificationRepository.start() method.
    • If not previously started, Exposure Notification Framework shows a user dialog for consent to start exposure detection and get permission.
    • If user grants the required permission, Exposure Notification Framework shows a user dialog to enable Location nad Bluetooth services. This services are required to detect nearby Bluetooth devices, however Exposure Notification Framework and the app don't use device location.
  • If permission is granted and required services are enabled, Exposure Notification Framework will start broadcasting and scanning.
    • All of Exposure Notification Framework methods are now available.
    • Pass Exposure Notification Framework status - ENABLED - to PWA.
  • If user deny on any of Exposure Notification Framework requests, onboarding is skipped and Exposure Notification Framework disabled.
    • Pass Exposure Notification Framework status - DISABLED - to PWA.
  • If Exposure Notification Framework is not available on user's device
    • Pass Exposure Notification Framework status - NOT_SUPPORTED - to PWA.
  • If any of the required services is disabled during Exposure Notification Framework work
    • Broadcasting and scanning process are stopped.
    • Pass services status to PWA to inform user that something is missing.
    • Exposure Notification Framework shows a user dialog to enable required service.
• Indicate if exposure notifications are running.
  • Call ExposureNotificationRepository.isEnabled()
• Disable broadcasting and scanning. -Call ExposureNotificationRepository.stop()
  • Contents of the Exposure Notification Framework database and keys will remain.
  • If the app has been uninstalled by the user, this will be automatically invoked and the database and keys will be wiped from the device.