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Functions I reuse often in my apps. Swift 3.0
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// | |
// Functions.swift | |
// Repnote | |
// | |
// Created by Jonathan Neumann on 23/03/2017. | |
// Copyright © 2017 Audioy. All rights reserved. | |
// | |
import Foundation | |
import UIKit | |
// getUIColorObjectFromHex function takes HEX and Alpha converts then returns a UIColor object. Used by UIColor extension | |
func getUIColorObjectFromHex(_ hex:String, alpha:CGFloat) -> UIColor { | |
var cString:String = hex.trimmingCharacters(in: .whitespacesAndNewlines).uppercased() | |
if (cString.hasPrefix("#")) { | |
cString = cString.substring(from: cString.characters.index(cString.startIndex, offsetBy: 1)) | |
} | |
if (cString.characters.count != 6) { | |
return UIColor.gray | |
} | |
var rgbValue:UInt32 = 0 | |
Scanner(string: cString).scanHexInt32(&rgbValue) | |
return UIColor( | |
red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0, | |
green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0, | |
blue: CGFloat(rgbValue & 0x0000FF) / 255.0, | |
alpha: CGFloat(alpha) | |
) | |
} | |
// GENERATE A UUID | |
func createUUID() -> String{ | |
let uuid = UUID().uuidString | |
return uuid | |
} |
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