20130923-save-load-barcode-images

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Summary

• Save & load barcode image on iCloud

Commits / Patches

Index / Status

• Add Notification Handler of change from iCloud

Add Notification Handler of change from iCloud

Got error

2013-09-23 13:52:53.012 generika[387:60b] __22-[ProductManager save]_block_invoke [Line 192] fail !!!!
2013-09-23 13:52:53.056 generika[387:3707] -[Product _removeParent:]: unrecognized selector sent to instance 0x16d2c340
2013-09-23 13:52:53.063 generika[387:3707] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[Product _removeParent:]: unrecognized selector sent to instance 0x16d2c340'
*** First throw call stack:

Problem was NSDATA of @@@contentsForType@.

Use updateChangeCount to track file change for iCloud.

link

• https://developer.apple.com/library/ios/documentation/DataManagement/Conceptual/DocumentBasedAppPGiOS/ChangeTrackingUndo/ChangeTrackingUndo.html#//apple_ref/doc/uid/TP40011149-CH5-SW6
• UIDocument class reference

Remains TODO

• Save/load images into icloud (sync with settings on/off).
• Add checkbutton into settings for iCloud ON.
• Refactor