cocoa touch - How can I use QLPreviewController in iOS to display image or file using http address? -


i' m trying use qlpreviewcontroller display files located in web http address. example want display image located here: http://iosdevelopertips.com/wp-content/uploads/2011/05/preview.jpg

in previewitematindex did this:

nsstring* url = @"http://iosdevelopertips.com/wp-content/uploads/2011/05/preview.jpg"; return [nsurl urlwithstring: url];

but when click on image in tableview appears loading... indicator of qlpreviewcontroller rotating endlessly , in log see message:couldn't issue file extension path: /wp-content/uploads/2011/05/preview.jpg

so question how can display files in qlpreviewcontroller located in web using http address in nsurl? doing wrong? thanks.

you need download items , pass file urls preview controller. preview controller deals display , user interaction you.


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