iOS 适配不同机型

iOS 适配不同机型

1.在自动布局的时候就要注意，做到在不同机型中都不会有违和感

2.以一个机型为标准如375*667，用其他机型的宽高比上标准机型的，得到一个比值，需要适配的长度就乘以这个比值

3.在storyboard中拖出约束，乘以这个比值

代码

• LayoutMethod.swift

import UIKitstruct LayoutMethod {///横屏情况下的宽度设置////// - Parameters:///   - iPhoneWidth: iPhone6 垂直方向@2x尺寸///   - iPadWidth: 分辨率比例为768*1024的iPad/// - Returns: 适配后的尺寸static func autoLayoutWidth(iPhoneWidth: CGFloat, iPadWidth: CGFloat? = nil) -> CGFloat {var autoWidth: CGFloat = 0.0let normalWidth:CGFloat = 375.0//以iphone6为标准  375 * 667let actualwidth = LayoutTool.autoScreenWidth//横屏下的屏幕宽度//iphone的自动布局if UIDevice.isIphone {autoWidth = (iPhoneWidth * (actualwidth/normalWidth)).rounded(2)//iPad的自动布局} else if UIDevice.isIpad{guard let ipadW = iPadWidth else {autoWidth = (iPhoneWidth * (actualwidth/768.0)).rounded(2)return autoWidth}//ipad机器最小屏的屏宽是768autoWidth = (ipadW * (actualwidth/768.0)).rounded(2)}return autoWidth}
}public extension CGFloat {///精确到小数点后几位func rounded(_ decimalPlaces: Int) -> CGFloat {let divisor = pow(10.0, CGFloat.maximum(0, CGFloat(decimalPlaces)))return CGFloat((CGFloat(self) * divisor).rounded() / divisor)}
}

• LayoutTool.swift

import UIKitstruct LayoutTool{///安全距离的Insetsstatic var safeAreaInsets: UIEdgeInsets {if #available(iOS 11.0, *) {return UIApplication.shared.delegate?.window??.safeAreaInsets ?? .zero}return .zero}///左边安全距离static let leftSafeInset = safeAreaInsets.left///右边安全距离static let rightSafeInset = safeAreaInsets.right///上边安全距离static let topSafeInset = p///下边安全距离static let bottomSafeInset = safeAreaInsets.bottom///横屏下的屏幕宽度static let autoScreenWidth = min(UIScreen.main.bounds.height, UIScreen.main.bounds.width)}///适配手机和平板的宽度
public func autoWidth(_ width: CGFloat) -> CGFloat {return LayoutMethod.autoLayoutWidth(iPhoneWidth: width)
}
///适配手机和平板的高度
public func autoHeight(_ height: CGFloat) -> CGFloat {return  LayoutMethod.autoLayoutWidth(iPhoneWidth: height)
}///系统字号
func autoFontSize(_ font: CGFloat) -> UIFont {let font : UIFont = UIFont.systemFont(ofSize: font.autoW)return font
}
///加粗的系统字号
func autoBoldfontSize(_ font: CGFloat) -> UIFont {let font : UIFont = UIFont.boldSystemFont(ofSize: font.autoW)return font
}extension Int {var autoW:Int {return Int(autoWidth(CGFloat(self)))}var autoH:Int {return Int(autoHeight(CGFloat(self)))}var systemFont:UIFont{return autoFontSize(CGFloat(self))}var boldFont:UIFont{return autoBoldfontSize(CGFloat(self))}
}extension Double {var autoW:Double {return Double(autoWidth(CGFloat(self)))}var autoH:Double {return Double(autoHeight(CGFloat(self)))}var systemFont:UIFont{return autoFontSize(CGFloat(self))}var boldFont:UIFont{return autoBoldfontSize(CGFloat(self))}
}
extension CGFloat {var autoW:CGFloat {return CGFloat(autoWidth(self))}var autoH:CGFloat {return CGFloat(autoHeight(self))}var systemFont:UIFont{return autoFontSize(self)}var boldFont:UIFont{return autoBoldfontSize(self)}
}
extension Float {var autoW:Float {return Float(autoWidth(CGFloat(self)))}var autoH:Float {return Float(autoHeight(CGFloat(self)))}var systemFont:UIFont{return autoFontSize(CGFloat(self))}var boldFont:UIFont{return autoBoldfontSize(CGFloat(self))}
}