The text file operation, find text file, search the sandbox’s Documents folder for text file names that match a […]
The delete text file operation pretty much delete an existing text file in the app’s Documents folder. Further more, the app […]
The text file operation, update file pretty much update an existing text file in the sandbox’s Documents folder. […]
The read text file operation basically fetch a text file’s data from the Documents folder, and store it in a string […]
When you tell the app to read a directory, you are in essence telling the app to fetch […]

UIDocument Demystified: A Step-by-step Guide on Local and iCloud Document Storage