IDTech iOS SDK Guide  1.1.166.045
API reference for VP3300
Allocate/Initialize IDT_VP3300 Object

A Singleton instance has been established in the IDT_VP3300 class. To utilize the delegate protocols, best practices would be to initialize the connection by setting the delegate with the singleton instance.

override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}