SAllen0400

struct ScreenSize {
    static let SCREEN_WIDTH         = UIScreen.main.bounds.size.width
    static let SCREEN_HEIGHT        = UIScreen.main.bounds.size.height
    static let SCREEN_MAX_LENGTH    = max(ScreenSize.SCREEN_WIDTH, ScreenSize.SCREEN_HEIGHT)
    static let SCREEN_MIN_LENGTH    = min(ScreenSize.SCREEN_WIDTH, ScreenSize.SCREEN_HEIGHT)
}

struct DeviceTypes {
    static let iPhone4              = UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH < 568.0
    static let iPhone5              = UIDevice.current.userInterfaceIdiom == .phone && ScreenSize.SCREEN_MAX_LENGTH == 568.0

SAllen0400

if DeviceTypes.iPhone5 || DeviceTypes.iPhone7Zoomed {
  // Do any iPhone 5 (or iPhone7 Zoomed mode) specific code here
}

if DeviceTypes.iPhone7PlusStandard {
  // Do any iPhone 7 Plus specific code here
}

SAllen0400

extension UIProgressView {
    
    func animate(duration: Double) {
        
        setProgress(0.01, animated: true)
        
        UIView.animate(withDuration: duration, delay: 0.0, options: .curveLinear, animations: {
            self.setProgress(1.0, animated: true)
        }, completion: nil)
    }

SAllen0400

// Bad way using if statement
func showMyView(bool: Bool) {
 
  if bool == true {
    UIView.animate(withDuration: 0.33, animations: {
      self.myView.alpha =  1.0
    })
  } else {
    UIView.animate(withDuration: 0.33, animations: {
      self.myView.alpha = 0.0

SAllen0400

// Swift 3

extension Array {

  func filterDuplicates(includeElement: @escaping (_ lhs: Element, _ rhs: Element) -> Bool) -> [Element] {
    
    var results = [Element]()

    forEach { (element) in
        

SAllen0400

// Swift 3   

func setupBeaconRegions() {
    
        // Use the .filterDuplicates function on an array of beacons to create a new array of only unique UUID's
        let beaconRegions: [iBeaconItem] = iBeacons.filterDuplicates { $0.uuid == $1.uuid && $0.uuid == $1.uuid }
        
        // Iterate through new array that only contains unique UUIDs and start ranging those
        for beacon in beaconRegions {
            startRangingBeacon(beacon)

SAllen0400

// Swift 3
// The reason I'm passing a UINavigationController and UINavigationItem as parameters is so
// this method can be abstracted away from the view controller.

func showLogoInNavBar(_ navController: UINavigationController, navItem: UINavigationItem) {

    let banner = UIImage(named: "logo-nav-bar")
    let imageView = UIImageView(image: banner)
    
    let bannerWidth = navController.navigationBar.frame.size.width

SAllen0400

import UIKit

class SASwitch: UIView {
    
    var backgroundView: UIView!
    var beforeButton: UIButton!
    var afterButton: UIButton!
    var buttonWindow: UIView!
    var beforeLabel: UILabel!
    var afterLabel: UILabel!

SAllen0400

import Foundation
import UIKit

@IBDesignable class BMSegmentedControl: UIControl {
    
    private var labels = [UILabel]()
    var thumbView = UIView()
    
    var items: [String] = ["BEFORE", "NEITHER", "AFTER"] {
        didSet {

SAllen0400

import Foundation

class BMSliderControl: UIControl {
    
    var minimumValue: Double = 0.0 {
        didSet {
            updateLayerFrames()
        }
    }