1. As a user, while using camera if the phone's battery is at 15% or 10%  I want a visual warning indicating that the battery status is low so that I can charge the phone 
2. As a user, while using camera if the phone's battery is at 15% or 10%  I want to see a persistent visual indicator that the battery status is low 
3. As a user, while using camera if the phone's battery is at 6% the low battery
icon should pulse fading out and back in again every two seconds
4. As a user, while using camera if the phone's battery is at or below 5% I can no longer use the camera and I want to see a confirmation message indicating such a warning
5. As a user, while using camera if the phone's battery is at or below 5% I want the photo or video file to be saved so that file doesn't get corrupted