apple-avadhesh

func generateRandom(length: Int) -> String {
     let letters = ["q", "w", "e", "r", "t", "y", "u", "i", "o", "p", "a", "s", "d", "f", "g", "h", "j",
                    "k", "l", "z", "x", "c", "v", "b", "n", "m"]
     var str = ""
     for _ in 0 ..< length {
         str.append(letters.randomElement()!)
     }
     return str
}

apple-avadhesh

struct Notification<T> {
    let name: NSNotification.Name
}

private let notificationData = "_notificationData"

extension NotificationCenter {
    func post<T>(_ notification: Notification<T>, object: Any? = nil, data: T) {
        post(name: notification.name, object: object, userInfo: [notificationData: data])
    }

apple-avadhesh

// UITextField
let textField = UITextField()
textField.addAction(
    UIAction { action in
        let textField = action.sender as! UITextField
        print(textField.text ?? "")
    },
    for: .editingChanged
)

apple-avadhesh

#define SharedApplication [UIApplication sharedApplication]
// open tel call
[SharedApplication openURL:[NSURL URLWithString:@"tel:1-408-555-5555"]];

// open itunes application
[SharedApplication openURL:[NSURL URLWithString:@"https://itunes.apple.com/cn/app/numbers/id361304891?mt=8"]];

// open map
[SharedApplication openURL:[NSURL URLWithString:@"http://maps.apple.com/?q=cupertino"]];

apple-avadhesh

//
//  GradientView.swift
//  Notion
//
//  Created by Cody Robertson on 3/16/16.
//  Copyright © 2016 Lift, Inc. All rights reserved.
//

import Foundation
import UIKit

apple-avadhesh

import UIKit

extension UIViewController {
    func setupTransparentNavigationBarWithBlackText() {
        setupTransparentNavigationBar()
        navigationController?.navigationBar.barStyle = .default
        navigationController?.navigationBar.tintColor = .black
    }
    
    func setupTransparentNavigationBarWithWhiteText() {

apple-avadhesh

//Swift 2.0
import UIKit
protocol SomethingDelegate {
    func didUpdateSomething(SomethingHelper:SomethingHelper)
}

class SomethingHelper {
    private var timer : dispatch_source_t! = nil
    private var currentIntervalInSec = 0;
    var delegate: SomethingDelegate?

apple-avadhesh

//
//  Model.swift
//  KidSpace
//
//  Created by October Hammer on 4/19/17.
//  Copyright © 2017 Ocotober Hammer. All rights reserved.
//

import Foundation
import Parse

apple-avadhesh

import AVFoundation
import UIKit
    
class ScannerViewController: UIViewController, AVCaptureMetadataOutputObjectsDelegate {
        var captureSession: AVCaptureSession!
        var previewLayer: AVCaptureVideoPreviewLayer!
        
        override func viewDidLoad() {
            super.viewDidLoad()

apple-avadhesh

import Alamofire
import SwiftyJSON

class APIManager {
    
    private init(){}
    
    class func request(
        _ url: URLConvertible,
        method: HTTPMethod,