Obscure APIs in iOS 7: Smile Detection, Speech Synthesis & QR Code Scanning(nshipster.com)2 points·by matttthompson·13 ปีที่แล้ว·0 commentsnshipster.comObscure APIs in iOS 7: Smile Detection, Speech Synthesis & QR Code Scanninghttp://nshipster.com/ios7/0 commentsPost comment—