IOS框架概述

发布于:2019-05-08 17:51来源:365bet娱乐场游戏 作者:365bet官方网 点击:
iOS是一种可在iPhone,iPod Touch或iPad上运行的操作系统。底层基础架构和技术(以前称为iPhone OS,iOS和Mac OS X)是相同的。
但是,iOS是针对移动设备的特性而设计的,因此它与MacOSX系统略有不同,例如多点触控传感器和加速度计支持。
我们来看看iOS框架。
iOS系统的体系结构可分为四个级别:Core OSlayer,CoreServiceslayer,Medialayer和CocoaTouchlayer。
下图显示了MacOSX系统和iOS系统的架构级别比较。
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