Allow Once -

: Use "purpose strings" or pre-permission screens to explain exactly how the data will be used and how it benefits the user.

: It prevents "invisible" apps from tracking users in the background without explicit, ongoing consent. Allow once

The "Allow once" feature is a pivotal privacy control in modern mobile operating systems that grants an application temporary, single-session access to sensitive data—most commonly , camera , or microphone . This mechanism serves as a "test drive" for permissions, allowing users to experience an app's functionality without committing to long-term data sharing. Overview of "Allow Once" : Use "purpose strings" or pre-permission screens to

: When selected, the app receives the requested permission only for the duration of the current foreground session. Once the app is closed or the system no longer considers it "in use," the permission is automatically revoked. Implementation History : This mechanism serves as a "test drive" for

: Ensure the app does not crash or lose state when the session ends and permissions are reset to notDetermined . User Impact & Security