avatar_mime_type
Description:
MIME type of the latest cached avatar image, or null if this contact has no avatar, or if the avatar data is not yet retrieved.
This is always the MIME type of the image given by avatar_file.
MIME type of the latest cached avatar image, or null if this contact has no avatar, or if the avatar data is not yet retrieved.
This is always the MIME type of the image given by avatar_file.