Choose a narrow handoff or share a reviewed copy, rather than relying on the recipient to stop swiping at the intended image.
Decide whether the person needs your device
If they only need to see or keep a picture, a deliberately prepared copy may be more appropriate than handing over an unlocked library. If you keep control of the phone, you can show the image without giving the other person ordinary navigation access. These choices have different privacy tradeoffs: sending a copy creates a file you cannot necessarily recall.
Prepare the actual view
Close private apps, inspect surrounding notifications and recent-app previews, and check the interface from which you will show the image. A photo viewer may allow swiping to neighbors, opening a gallery or entering an edit screen. Use the platform's guided-access or app-pinning behavior only after testing how to exit it on your device.
If you send a file, check its metadata and visible details first. A crop can remove a neighboring object while leaving embedded information untouched; metadata removal cannot hide a face or address printed in the picture.
Where a vault helps
Separate vaults limit the ordinary content shown inside the selected space. Automatic lock is useful before a handoff, and secure export makes a new copy deliberate. An already-open vault still displays readable content.
Use the one-photo handoff guide for platform steps, or the sharing guide and metadata inspector when sending a copy is the better fit.