AVPlayer Buffering: Mastering Playback States and the Observer Pattern for a Seamless User Experience

Understanding Core Data and Migrating Simulator-Specific Behavior to Physical Devices for Seamless App Functionality.

Mastering Responsive Design: Scaling HTML Email Content for Mobile Devices

Understanding and Fixing iPhone App Crashes on iPad Device or Simulator with Objective-C Stack Trace Analysis

Understanding EXC_BAD_ACCESS: Causes, Symptoms, and Solutions for iOS Development

Understanding Custom Animations in iOS with UIView Layout and Core Animation

Customizing UIButton States in iOS: A Comprehensive Guide to Overcoming Challenges

Aligning UILabels Side by Side Using Size With Font Method in iOS Development

AVPlayer Syncing Issues: A Deep Dive into Prerolling and Synchronization Strategies

Here is the code based on the specifications provided: