Gaia/Camera

Design Specs

For the latest UX specifications, please visit: https://mozilla.box.com/applications

Use Cases

• Tom wants take a photo and selects the Camera app
• Tom can easily see a preview and when he's ready to take a photo, presses the shutter button to snap a photo
• All of Tom's photos are stored in the Gallery
• Tom has the ability to digitally zoom in on his subjects by pinching
• After a photo is taken, Tom has the ability to apply certain filters
• Tom has the ability to turn the flash on (hardware dependent) for taking photos in the dark
• Tom has the ability to toggle between the rear and front cameras
• Tom wants to take a video instead of a photo and switches between the two modes by selecting the 'video mode'
  • In video mode, Tom is able to 'pinch-to-zoom' and then begins recording his video
  • Videos taken are saved in the Video app
• When taking a photo, Tom sees certain basic functionality:
  • Auto-focus
  • Auto-exposure
  • Time stamp
  • Face detection
  • Auto-enhance
  • Geo-tagging
  • Resolution

Requirements

For cross reference see UI designs and status

Gaia v1

• User launches the Camera app and has the ability to see a preview of what the subject and can snap a photo
• Photos that are taken are saved to the Gallery in standard, default resolution (A X B resolution)
• Gallery access is available directly from the Camera app's primary screen
• User has the ability to apply 3 basic filters after taking a photo (filters, P2)
• User has the ability to turn the flash on/off directly from the Camera preview screen (HW dependent, P2)
• User has the ability to toggle between the front-facing and rear cameras (HW dependent, P2)
• User has the ability to toggle between mode: Video [or] Photo
• Videos that are taken are saved to the Video app for to be played/managed/deleted
• The Camera app has the ability to auto-focus on the subject
• User has the ability to crop photos after it's been captured
• Storage of photos will default to on-board flash memory (storage size TBD) and user will have the option to select the SD card slot as alternative storage
  • Settings will incorporate the option to manage the memory usage of apps and cached data
• Thumbnail creation of all photos taken for the Gallery
• Record Metadata/exif data for photos taken
• Encoding formats:
  • Video: H.264
  • Audio: AAC
• Default resolution (camera sensor hardware dependent)

Gaia v2

• User has the ability to digitally zoom into a subject in the Camera mode.
• User has the ability to select focus area by tapping on preview.
• User has the ability to zoom into a subject in Video mode and then begin filming
• The Camera app has the ability to auto-detect the amount of light and adjust the exposure sensitivity
• The Camera app has the ability to auto-enhance an image right after it's been taken
• The Camera app offers the option to geo-tag all photos taken based on the user's GPS location
• The Camera app offers facial recognition in the preview mode before taking a photo
• User has the option to select between multiple resolutions
  • Specific resolutions TBD

Development

Source code on Github

Security Review

The security review of this app can be found here.