How to Programmatically Call a ViewController PopOver with Custom UIButton

Transferring Text Between iPhones Using a WiFi Network: A Step-by-Step Guide

PhoneGap Multi-Device App Development: A Comprehensive Guide

There is no specific "best answer" for this problem, as it appears to be a collection of error messages related to crashes when trying to change video formats in an iOS app. However, I can provide some general guidance on how to approach troubleshooting and resolving similar issues.

Understanding the Limitations of Using ARMv7S with the LinPhone SDK in iOS Development

Understanding NSDateFormatter and NSTimer in iOS Development: A Comprehensive Guide to Custom Time Display

Understanding Xcode Multiple Storyboards with Landscape Orientation in iOS Development

Understanding Video Playback on iPad: A Step-by-Step Guide to Playing Videos from a URL Using MPMoviePlayerController and NSURL

Understanding Interface Orientation in iOS: Mastering View Controller Rotation and Auto Layout

Understanding Objective-C Memory Management and Zombie Detection in Xcode