i need some help here, i want to make my app can open all file types from another app, just like Open In feature in IPAD, is it true to use UTImportedTypeDeclarations
?
but i dont know what to do, is there any tutorial to use it? thank you
Yes, you need UTImportedTypeDeclarations.
Here's a few tutorials:
http://www.raywenderlich.com/1948/how-integrate-itunes-file-sharing-with-your-ios-app
http://www.raywenderlich.com/1980/how-to-import-and-export-app-data-via-email-in-your-ios-app