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Cocoa Touch is a UI framework for building software programs to run on iOS (for the iPhone, iPod Touch, and iPad) from Apple Inc. Cocoa Touch provides an abstraction layer of iOS, the operating system for the iPhone, iPod Touch, and iPad. Cocoa Touch is based on the Mac OS X Cocoa API toolset and, like it, is primarily written in the Objective-C language. Cocoa Touch allows the use of hardware and features that are not found in Mac OS X computers and are thus unique to the iOS range of devices. Just like Cocoa, Cocoa Touch follows a Model-View-Controller (MVC) software architecture. Cocoa Touch contains a different set of graphical control elements to Cocoa. Tools for developing applications based on Cocoa Touch are included in the iOS SDK. ==Cocoa Touch in relation to other iOS layers== iOS technologies can be seen as a set of layers, with Cocoa Touch at the highest level and the Core OS and iOS kernel at the bottom. A hierarchical view of the iOS technologies can be shown as follows: #Cocoa Touch #Media / Application Services #Core Services #Core OS / iOS kernel 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cocoa Touch」の詳細全文を読む スポンサード リンク
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