> For example, when uploading a photo, I don't want to give Facebook access to my entire filesystem, just the photo that I click. And I don't want to give Faceb

> For example, when uploading a photo, I don't want to give Facebook access to my entire filesystem, just the photo that I click. And I don't want to give Facebook access to my camera indefinitely, just now. FYI that's exactly how iOS does it. When you choose a picture to upload from the camera roll, the target app only gains access to that one photo.