uzolenta

@IBAction func changeButton(_ sender: Any) {
        DispatchQueue.global().async {
DispatchQueue.main.async(){
        self.table.isHidden = true
        self.activityIndicator.startAnimating()
    }

/*Внутри функций работа с сетью, sqlite базой, много циклов*/
            self.func1()
            self.func2()
            
            DispatchQueue.main.async(){
                self.readLovers() - тут подгрузка данных для table, соот., и table.reloadData()
                self.activityIndicator.stopAnimating()
                self.table.isHidden = false
            }
        
        }
    }

import UIKit
import MediaPlayer
import AVFoundation

class testVC: UIViewController, {
    
    private var audioLevel : Float = 0.0
    @IBOutlet weak var label1: UILabel!
    var imagePicker: UIImagePickerController!
    
    @IBOutlet weak var imageView: UIImageView!
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }
    
    override func viewWillAppear(_ animated: Bool) {
        listenVolumeButton()
    }
    
    func listenVolumeButton(){
        
        let audioSession = AVAudioSession.sharedInstance()
        do {
            try audioSession.setActive(true, options: [])
            audioSession.addObserver(self, forKeyPath: "outputVolume",
                                     options: NSKeyValueObservingOptions.new, context: nil)
            audioLevel = audioSession.outputVolume
        } catch {
            print("Error")
        }
    }
    
    override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
        if keyPath == "outputVolume"{
             print("GoodBye")
            
            let audioSession = AVAudioSession.sharedInstance()
            if audioSession.outputVolume > audioLevel {
                print("Hello")
                audioLevel = audioSession.outputVolume
            }
            if audioSession.outputVolume < audioLevel {
                print("GoodBye")
                audioLevel = audioSession.outputVolume
            }
            if audioSession.outputVolume > 0.999 {
                (MPVolumeView().subviews.filter{NSStringFromClass($0.classForCoder) == "MPVolumeSlider"}.first as? UISlider)?.setValue(0.9375, animated: false)
                audioLevel = 0.9375
            }
            
            if audioSession.outputVolume < 0.001 {
                (MPVolumeView().subviews.filter{NSStringFromClass($0.classForCoder) == "MPVolumeSlider"}.first as? UISlider)?.setValue(0.0625, animated: false)
                audioLevel = 0.0625
            }
            
        }
    }
    
 
    
}

@IBOutlet weak var scrollView: UIScrollView!
    
    override func viewDidLoad() {
        super.viewDidLoad()

        NotificationCenter.default.addObserver(self, selector: #selector(KeyBoard), name: UIResponder.keyboardDidHideNotification, object: nil)
        NotificationCenter.default.addObserver(self, selector: #selector(KeyBoard), name: UIResponder.keyboardWillChangeFrameNotification, object: nil)

    }
    
    
    @objc func KeyBoard(notification: Notification){
        let userInfo = notification.userInfo!
        let keyBoardScreenEndFrame = (userInfo[UIResponder.keyboardFrameEndUserInfoKey] as! NSValue).cgRectValue
        let keyBoardViewEndFrame = view.convert(keyBoardScreenEndFrame, from: view.window)
        
        if notification.name == UIResponder.keyboardDidHideNotification{
            scrollView.contentInset = UIEdgeInsets.zero
        }
         if notification.name == UIResponder.keyboardWillChangeFrameNotification{
            scrollView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: keyBoardViewEndFrame.height, right: 0)
        }
        scrollView.scrollIndicatorInsets = scrollView.contentInset
    }

let receiptUrl: URL = Bundle.main.appStoreReceiptURL!
                    var receipt: Data?
                    receipt = try! NSData.init(contentsOf: receiptUrl) as Data
                    print(receipt)
                    var base64encodedReceipt: String = receipt!.base64EncodedString()
                        base64encodedReceipt = base64encodedReceipt.replacingOccurrences(of: "+", with: "%2B")
                        let vkUrl = URL(string: "test.php")
                        var request = URLRequest(url: vkUrl!)
                        let postString: String = "receipt-data=" + base64encodedReceipt
                        request.httpBody = postString.data(using: String.Encoding.utf8);
                        request.httpMethod = "POST"
                        request.addValue("\(postString.count)", forHTTPHeaderField: "Content-Length")
                        request.addValue("application/x-www-form-urlencoded", forHTTPHeaderField: "Content-type")
                        
                        URLSession.shared.dataTask(with: request) {(data, response, error) in
                            guard let data = data else {
                                let error_code = String(error!._code)
                                let error_description = String(error!.localizedDescription)
                                let error_msg = "Ошибка соединения. Пожалуйста, попробуйте позже. \n Если ошибка будет повторяться, то сообщите в службу поддержки приложения. \n Код ошибки: " + error_code + " \n Описание ошибки: \n" + error_description
                                let alertVC = UIAlertController(title: "Ошибка", message: error_msg, preferredStyle: .alert)
                                let actionOK = UIAlertAction(title: "OK", style: .default)
                                alertVC.addAction(actionOK)
                                
                                DispatchQueue.main.async(execute: {
                                    self.present(alertVC, animated: true, completion: nil)
                                })
                                return
                            }
                            do {
                                json = data
                                k = true
                            }
                            }.resume()

<?php

$json['receipt-data'] = $_POST['receipt-data'];

$post = json_encode($json);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"https://buy.itunes.apple.com/verifyReceipt");
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
$result=curl_exec ($ch);

curl_close ($ch);
echo $result;
?>