Based on the provided specification, I will write the code in Swift programming language.

Mastering Objective-C Runtime and Class Methods: A Comprehensive Guide

Debugging with Instruments: A Comprehensive Guide for iOS, macOS, watchOS, and tvOS Developers

UITableView Sections in iOS: A Comprehensive Guide

Presenting View from Delegate Modally in iOS 5: A Step-by-Step Guide

Accessing Multivalue Type Settings Bundle Fields in iOS Development

Understanding Game Center Leaderboard Issues and How to Resolve Them

Setting Up Twilio in Your iOS Application Using Test Credentials and Live Paid Credentials

Understanding the Risks of Renaming an iOS Distribution Profile While Your App is Pending Review

Creating an iPhone Demo from Mockups: A Guide to Running Without Data Connection