Swift CGRect.init()-参数标签与任何可用重载都不匹配
我需要帮助解决Swift 3中的此错误! 替换Swift CGRect.init()-参数标签与任何可用重载都不匹配,swift,Swift,我需要帮助解决Swift 3中的此错误! 替换 CGRect(0, 0, 40, 40) 与 使用此代码- let button = UIButton(frame: CGRect(x: 0, y: 0, width: 40, height: 40)) // Create new button & set its frame button.setImage(UIImage(named: "refresh"), for: []) // Assign an
CGRect(0, 0, 40, 40)
与
使用此代码-
let button = UIButton(frame: CGRect(x: 0, y: 0, width: 40, height: 40)) // Create new button & set its frame
button.setImage(UIImage(named: "refresh"), for: []) // Assign an image
barButton.customView = button // Set as barButton's customView
希望有帮助 使用自动完成或检查文档中是否有可用的重载。CGRect没有没有没有参数标签的初始值设定项,因为您需要告诉编译器需要在哪个坐标系/以什么单位初始化CGRect。谢谢您,这是有效的!我是新来的斯威夫特
CGRect(x: 0, y: 0, width: 40, height: 40)
let button = UIButton(frame: CGRect(x: 0, y: 0, width: 40, height: 40)) // Create new button & set its frame
button.setImage(UIImage(named: "refresh"), for: []) // Assign an image
barButton.customView = button // Set as barButton's customView