Teach Yourself iOS 7 in 24 Hours (5th Edition).pdf【iOS 开发】
When you pick up an iOS device and use it, you feel connected. Whether it be an iPad Air, an
iPhone, or an iPod, the interface acts as an extension to your fingers; it is smooth, comfortable,
and invites exploration. Other competing devices offer similar features, and even sport gadgets
such as styluses and trackpads, but they cannot match the user experience that is iOS.