Why does UITextField lock up when setting itself to delegate

Question

I have a class that extends UITextfield. I also have the same class set to be it\'s own delegate so when the text field is selected I can change the background color. Once I

Answer 1

Subscribe to UITextFieldTextDidBeginEditingNotification or UITextFieldTextDidEndEditingNotification NSNotifications. In callbacks check if notification object is self. Then perform some action on it.