摘要:
https://developer.apple.com/library/iad/documentation/AppleApplications/Reference/SafariWebContent/Introduction/Introduction.html 阅读全文
摘要:
UIView.animateWithDuration(0.5, delay: 0.5, usingSpringWithDamping: 0.5, initialSpringVelocity: 0.0, options: [], animations: { self.loginButton.cent... 阅读全文