This is sort of how iOS works(worked?). To share a photo, you had to go find the photo you want to share, then pass that photo explicitly to the app/context you

This is sort of how iOS works(worked?). To share a photo, you had to go find the photo you want to share, then pass that photo explicitly to the app/context you wanted to share it. So a model where you push the content you want into the share app, the app itself was unable to request (pull) data.