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2014/10/15 ¤U¤È 10:14:00
iphone Programming Glossary: setundomanagerundo all changes made in the child view controller http://stackoverflow.com/questions/10443754/undo-all-changes-made-in-the-child-view-controller as following void viewDidLoad NSUndoManager anUndoManager NSUndoManager alloc init self.book.managedObjectContext setUndoManager anUndoManager anUndoManager release self.book.managedObjectContext.undoManager beginUndoGrouping void cancelAction id sender..
Core Data: Reset to the initial state http://stackoverflow.com/questions/2214343/core-data-reset-to-the-initial-state per MOC NSManagedObjectContext moc self managedObjectContext NSUndoManager undoManager NSUndoManager alloc init moc setUndoManager undoManager undoManager release undoManager nil Example of a grouped undo undoManager moc undoManager NSManagedObject test..
How does undo/redo basically work on iPhone OS? http://stackoverflow.com/questions/2449268/how-does-undo-redo-basically-work-on-iphone-os NSUndoManager contextUndoManager NSUndoManager alloc init contextUndoManager setLevelsOfUndo 10 managedObjectContext setUndoManager contextUndoManager contextUndoManager release This code would typically go right after where you would have created your..
how do you create a NSManagedObjectContext http://stackoverflow.com/questions/3597071/how-do-you-create-a-nsmanagedobjectcontext NSManagedObjectContext alloc init managedObjectContext setPersistentStoreCoordinator coordinator managedObjectContext setUndoManager nil return managedObjectContext autorelease It's simply create a new instance of the context and set the store that you.. NSManagedObjectContext alloc init managedObjectContext setPersistentStoreCoordinator coordinator managedObjectContext setUndoManager nil return managedObjectContext autorelease For more info please have a look at Apple's Core Data Tutorial for iOS . Cheers..
Detect if the user has touched the screen http://stackoverflow.com/questions/9251174/detect-if-the-user-has-touched-the-screen alloc init managedObjectContext setPersistentStoreCoordinator coordinator managedObjectContext setUndoManager NSUndoManager alloc init autorelease return managedObjectContext Returns the managed object model for the application...
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