Screen sizes

Devices.swift

import UIKit

public struct Screen {
    /// Retrieves the device bounds.
    public static var bounds: CGRect {
        return UIScreen.main.bounds
    }
    
    /// Retrieves the device width.
    public static var width: CGFloat {
        return bounds.width
    }
    
    /// Retrieves the device height.
    public static var height: CGFloat {
        return bounds.height
    }
    
    /// Retrieves the device scale.
    public static var scale: CGFloat {
        return UIScreen.main.scale
    }
    
    static func size() -> Size {
        let w: Double = Double(UIScreen.main.bounds.width)
        let h: Double = Double(UIScreen.main.bounds.height)
        let screenHeight: Double = max(w, h)
        
        switch screenHeight {
        case 480:
            return .screen3_5Inch
        case 568:
            return .screen4Inch
        case 667:
            return UIScreen.main.scale == 3.0 ? .screen5_5Inch : .screen4_7Inch
        case 736:
            return .screen5_5Inch
        case 812:
            return .screen5_8Inch
        default:
            return .unknownSize
        }
    }
}


/// Get Size of device
///
/// - unknownSize: unknownSize description
/// - screen3_5Inch: iPhone 4/4S
/// - screen4Inch: iPhone 5/5S/SE
/// - screen4_7Inch: iPhone 6/6S/7/7S
/// - screen5_5Inch: iPhone Plus
public enum Size: Int {
    case unknownSize = 0
    /// iPhone 4 / 4S
    case screen3_5Inch
    /// iPhone 5 / 5S / SE
    case screen4Inch
    /// iPhone 6 / 7
    case screen4_7Inch
    /// iPhone 6Plus / 7Plus
    case screen5_5Inch
    /// iPhone X
    case screen5_8Inch
}