How do I create an app specific file type for iOS and then save my app's data into this file which I can attach to emails and then other uses of the app can open this file in the app.
Mindjet for iPad does this.
How do I create an app specific file type for iOS and then save my app's data into this file which I can attach to emails and then other uses of the app can open this file in the app.
Mindjet for iPad does this.