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iphonecocoa-touchuikituiwindow

makeKeyAndVisible & makeKeyWindow - uiwindow in iphone

In every application,

there is always written as [window makeKeyAndVisible];

What is mean by makeKey?

Solution

  • The key window is the window which will receive user interaction.

    You might take a look at this:

    http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/WinPanel/Concepts/ChangingMainKeyWindow.html