iOS Drawing Practical UIKit Solutions

Apple lavished iOS with a rich and evolving library of resolution-independent 2D drawing utilities. Its APIs include powerful features such as transparency, path-based drawing, anti-aliasing, and more. Harness these low-level, lightweight drawing routines in your apps to build images, to create PDFs, to display views, and to print.

iOS Programming- The Big Nerd Ranch Guide 第4版

iOS Programming- The Big Nerd Ranch Guide 4ed，iOS开发教程，第4版

NSOperation例子

一个NSOpration的例子，转载自raywenderlich

AVCaptureSession

AVCaptureSession可以用来自定义照相机，这两个demo，也是在网上找的，可以作为参考

iOS模糊效果Demo

ios 中 实现模糊效果，主要是扩展了image，有两个例子，可以参考

SDWebImage

SDWebImage 第三方库，很好用的图片缓存与下载

TKAlertCenter

效果很不错，由小到大显示，一两秒钟后由大到小消失