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I'm struggling to see what is the difference between the native iOS UIActivity vs Ink. http://developer.apple.com/library/ios/documentation/uikit/reference/UIA

I'm struggling to see what is the difference between the native iOS UIActivity vs Ink. http://developer.apple.com/library/ios/documentation/uikit/reference/UIActivity_Class/Reference/Reference.html http://developer.apple.com/library/ios/documentation/uikit/r... I thought that's what UIActivity does and many applications are already using this particular feature to share photos between apps.

brettcvz 13y ago
The primary difference is that Ink allows for applications to register new actions across applications, and to launch content directly into other applications as well. Think of Ink as a cross-application version of UIActivity that's open to anyone registering handlers, as opposed to only being able to use the UIActivity's of your own app or the system provided ones.