This application may be used to teach the dog to stop barking. When he barks Barkie responds with an ultrasound only audible to the dog and makes the dog think it is unplea...展开

This application may be used to teach the dog to stop barking. When he barks Barkie responds with an ultrasound only audible to the dog and makes the dog think it is unpleasant to bark. At each bark the dog hears this sound and stops barking. There are two different ultrasonic settings and a thi…收起

Updated code. Fix for a minor problem under iOS13.