Understanding Image Picking with UIKit's UIImagePickerController in iOS Development

Seamlessly Integrating Facetime in Your App: A Guide to Background App Refresh and URL Schemes

Building an iPhone App with Background Call Detection: A Step-by-Step Guide

Understanding App Background Recording on iOS 8.4 with Swift: Workarounds and Limitations in Screen Recording

Understanding the Power of kCFStreamNetworkServiceTypeVoIP: Can You Really Use it with TCP Server Sockets on iOS?