iOS How to download new plist from url into apps

[sam006]

I want to ask how to write a function
which user can press a button to download some photo(jpg) and a plist into the apps and overwrite the old photo and plist in the apps(for read in UItableview) , so that the user can view the information offline


thanks so much

 

[dejo]

First, what is your experience level with Objective-C / Cocoa Touch programming? Second, what specific help are you hoping we provide? Your original query was kinda vague (i.e. "how to write a function").