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iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK
book

iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK

by Kyle Richter, Joe Keeley
November 2013
Intermediate to advanced
576 pages
19h 3m
English
Addison-Wesley Professional
Content preview from iOS Components and Frameworks: Understanding the Advanced Features of the iOS SDK

Detecting Conflicts in iCloud

With all syncing technologies it is possible, even probable, to have conflicts. A conflict occurs when a document has been edited simultaneously on more than one device, and iCloud is unable to decide based on sync rules which version of the document should be current.

To get a conflict, test with two devices simultaneously. Turn on airplane mode on the first device, edit a note, and save. Edit and save the same note on the second device. Turn off airplane mode on the first device, and then attempt to edit the note again on the second device. A conflict will occur on the second device.

The UIDocument class has a document state that will indicate whether the document is in conflict or is able to be edited normally. ...

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Publisher Resources

ISBN: 9780133086898Purchase book