hashaam

// https://hashaam.com/2017/09/02/adjust-scroll-view-content-inset-based-on-keyboard-frame

func adjustForKeyboardHandler(notification: Notification) {
        
    // this method assumes scrollView is defined
        
    guard let userInfo = notification.userInfo else { return }
    guard let value = userInfo[UIKeyboardFrameEndUserInfoKey] as? NSValue else { return }
    
    let keyboardFrame = value.cgRectValue

hashaam

// https://hashaam.com/2017/11/13/url-encode-only-unicode-characters/

let originalURLString = "https://www.exampleserver.com/articles/latest/لن-تصدق-ما-يمكن-أن-تجده-في-مطبخك-فاحذر-غسل-هذه-الأداة.html"
let allowedCharacterSet = CharacterSet.urlFragmentAllowed
let urlString = originalURLString.addingPercentEncoding(withAllowedCharacters: allowedCharacterSet)!
let url = URL(string: urlString)!

hashaam

// https://hashaam.com/2017/11/13/adjust-baseline-of-text-using-nsattributedstring/

let attributedString = NSAttributedString(string: “text", attributes: [
    NSFontAttributeName: font,
    NSForegroundColorAttributeName: UIColor.white,
    NSBaselineOffsetAttributeName: -5.0
])

hashaam

// https://hashaam.com/2017/09/02/get-filename-without-extension

let path = "hls_a128_v4.m3u8"
let url = URL(string: path)
let filename = url?.deletingPathExtension().lastPathComponent

print(filename) // hls_a128_v4

let fileExtension = url?.pathExtension

hashaam

// Youtube: https://www.youtube.com/watch?v=7AlZxClmhPw
// Source: https://hashaam.com/2020/07/30/creating-camera-application-with-avfoundation/

import UIKit

class LaunchViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()

hashaam

// Youtube: https://www.youtube.com/watch?v=7AlZxClmhPw
// Source: https://hashaam.com/2020/07/30/creating-camera-application-with-avfoundation/

extension LaunchViewController: RequestCameraAuthorizationViewDelegate {
    func requestCameraAuthorizationActionButtonTapped() {
        requestCameraAuthorization()
    }
}

hashaam

// Youtube: https://www.youtube.com/watch?v=7AlZxClmhPw
// Source: https://hashaam.com/2020/07/30/creating-camera-application-with-avfoundation/

func requestCameraAuthorization() {
    RequestCameraAuthorizationController.requestCameraAuthorization(completionHandler: { status in
        switch status {
        case .granted:
            print("granted")
        case .notRequested:
            break

hashaam

// Youtube: https://www.youtube.com/watch?v=7AlZxClmhPw
// Source: https://hashaam.com/2020/07/30/creating-camera-application-with-avfoundation/

import AVFoundation

let status = AVCaptureDevice.authorizationStatus(for: .video)
switch status {
case .authorized:
    print("authorized")
case .notDetermined: 

hashaam

// Youtube: https://www.youtube.com/watch?v=7AlZxClmhPw
// Source: https://hashaam.com/2020/07/30/creating-camera-application-with-avfoundation/

import AVFoundation

AVCaptureDevice.requestAccess(for: .video, completionHandler: { granted in
    if granted {
        print("granted")
    } else {
        print("unauthorized")

hashaam

// Youtube: https://www.youtube.com/watch?v=7AlZxClmhPw
// Source: https://hashaam.com/2020/07/30/creating-camera-application-with-avfoundation/

import Foundation
import AVFoundation

enum CameraAuthorizationStatus {
    case notRequested
    case granted
    case unauthorized