IOS入榜游戏——考拉别嚣张推广经验.ppt
iOS的系统框架分为以下四个层次:核心操作系统(theCoreOSlayer),核心服务层(theCoreServiceslayer),媒体层(theMedialayer),Cocoa接触框架层(theCocoaTouchlayer)。(The iOS system framework is divided into the following four layers: the Core OS layer, the Core Services layer, the Medialayer, and the Cocoa Touch layer.)
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