My company is developing an application that support general file management operations. We are making a conscious and concerted effort to be best in class from a VoiceOver accessibility standpoint.
One point of contention on our team is whether to confirm actions using the "UIAccessibilityAnnouncementNotification" after completing the action. We used the iOS Mail app as a guideline - after deleting an email there is no confirmation spoken by VoiceOver of the action.
In our application, when running internal accessibility tests as sighted users, we found having VoiceOver confirm our actions helpful.
Is confirming actions such as "file deleted" or "new folder created" useful to users of VoiceOver? Or is the "new-screen" chime sufficient and the notifications of your actions serve to slow down your use of an application?