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Here is my instance utilization of delegate programmatically. The code passes a message from one view to different view controller. I’ve two view SendMessageController and Obtain message controller. It is passing information again situation.
Protocol is outlined in SendMessageController.
protocol SendMessageDelegate: AnyObject {
func message(textual content: String)
}
closing class SendMessageController: UIViewController {
weak var delegate: SendMessageDelegate?
@objc func button() {
sendMessage()
}
func sendMessage() {
let message = “Good day World”
delegate?.message(textual content: message)
print("Delegate is :(delegate)")
print("self:(self)")
}
In Present Message View Controller which receives message:
closing class ShowMessageController: UIViewController,SendMessageDelegate {
let sendMessageController = SendMessageController()
override func viewDidLoad() {
sendMessageController.delegate = self
print("(sendMessageController)")
}
func message(textual content: String) {
print(“The message is:(textual content)”)
}
}
The delegates prints nil, and reminiscence deal with of print(self) is completely different than print(“(sendMessageController)”).
I had use delegate earlier than the place reminiscence adress of SendVC have been similar, do not know what is occurring right here.
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