Mastering View Hierarchy and Subviews in iOS Development: A Guide to Complex User Interfaces

Creating and Sending VCards from iPhone Address Book Contacts using Objective-C or Swift

Detecting Touches Which Started Outside of View: A Step-by-Step Guide

Understanding Xcode 4's Test Error Reporting Capabilities for Achieving Better Application Testing Results

Calling Phone Numbers in iOS: A Comprehensive Guide to tel: Protocol and URL Handling

Understanding Performance in iOS App Development: NIB Files vs Programmatic Views for a Fast and Efficient User Interface

Getting Location and Acceleration Information on iPhone Apps Using Core Location and UIAccelerometer Frameworks

Understanding NSFetchedResultsController for Map Annotations in Swift: A Comprehensive Guide

Understanding the Performance and Challenges of Core Text on iOS for Building Efficient Text-Based Applications

Understanding Key-Value Observing in Objective-C/Cocoa Touch: A Powerful Tool for Handling Value Changes