巴山夜雨1989

摘要： iOS Programming Touch Events and UIResponder 1 Touch Events As a subclass of UIResponder, a UIView can override four methods to handle the four distinct touch events: 作为UIResponder的一个子类，UIView可以重... 阅读全文

摘要： iOS Programming Camera 2 1.1 Creating BNRImageStore The image store will fetch and cache the images as they are needed. It will also be able to flush the cache if the device runs low on memory. ... 阅读全文

摘要： iOS Programming Camera 1 1 Displaying Images and UIImageView 1.1 put an instance of UIImageView on the screen. Then drag an instance of UIImageView onto the view and position it below the ... 阅读全文