From the activity types you can figure out how the controller was dismissed. If the set contains saveToCameraRoll then the recording has been saved to the camera roll. If the set is empty, the preview view controller was simply dismissed. If you are unfamiliar with activity types, please go through UIActivityType and built in activity types.
Clear trends emerged from the wide range of responses we received. In particular, we saw where leadership and frontliner goals can be out of sync. However, thoughtful consideration of each group’s efforts — with a helpful dose of empathy — suggests solutions both roles can take to work together for mutual benefit and the success of the organization.