博客中涉及的Demo 3D-Touch http://chaosky.me/2016/02/18/iOS-Hardware/#3D-Touch Bluetooth http://chaosky.me/2016/03/18/Bluetooth-Communication/ QRCodeScanner SensorDemo http://chaosky.me/2016/02/18/iOS-Hardware/#传感器 UIScrollViewAutoLayout http://chaosky.me/2016/02/18/UIScrollView-AutoLayout/ Payment http://chaosky.me/2016/01/21/iOS-Payment/