fyn6417的专栏

接上文 英语不是很好有些专业的东西还是不给翻译了 自己百度吧 没有太多难懂的东西 慢慢来 对了 声明一下 这两篇的内容都是官方文档上弄来的 鸟悄的啊 我也是花钱买的 我是觉得写得真心好才共享给大家的 Detecting machine readable codes In addition to processing and displaying video,

Drawing overlays The bounds metadata defines a rectangle that exactly contains the image, while thecorner metadata defines the coordinates of the image’s corners. The diagram belowdisplays the diff

iOS 7 brings even more improvements to AV Foundation, such as: • Barcode reading support • Speech synthesis • Improved zoom functionality  Getting Started 打开Xcode 创建一个新工程 选择iOS\Applica