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get image from a website through web view objective-c

I'm doing an application in which I open a site through an UIWebView. I want the user to "download" of an image so that it can be crafted and edited in the application.

eg open a UIWebView on google images and pick one image.

is it possible?

Generally when you tap and hold on an image, say in google images, a user will be prompted to save the image to their library. Maybe you should do that, and then ask for access to the users photo library?

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