What's the best way to communicate between view controllers?

What's the best way to communicate between view controllers?

objective-c iphone cocoa-touch delegates key-value-observing

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Why would you use an ivar?

objective-c ios memory-management key-value-observing ivar

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How can i tell if an object has a key value observer attached

objective-c cocoa key key-value-observing

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How can I do Key Value Observing and get a KVO callback on a UIView's frame?

iphone ios objective-c uiview key-value-observing

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Best practices for context parameter in addObserver (KVO)

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Observing change in UIDatePicker

objective-c ios uidatepicker key-value-observing

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KVO - How to check if an object is an observer?

objective-c ios key-value-observing

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Simple KVO example

ios objective-c key-value-observing

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When should I remove observers? Error about deallocating objects before removing observers

objective-c cocoa-bindings observer-pattern key-value-observing

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What is the context parameter used for in Key value observing

objective-c cocoa cocoa-touch key-value-observing

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How do I find all the property keys of a KVC compliant Objective-C object?

objective-c cocoa properties introspection key-value-observing

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How listen for UIButton state change?

iphone objective-c cocoa-touch uibutton key-value-observing

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"message was received but not handled" KVO

objective-c key-value-observing

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Key Value Observing with an NSArray

iphone objective-c nsarray key-value-observing nsarraycontroller

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How to detect a property return type in Objective-C

objective-c runtime properties types key-value-observing

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