i calling function when text field changing text. , need call function if uitextfield empty while deleting texts 1 one. how can check have deleted texts. want call function deleted last letter (first letter of sentence means letter typed first time). how can detect have deleted letter typed first time. (textfield empty after deleting letter)
thank you
im having trouble following question, believe right click box on storyboard, , make "sent event" changing of value (the last option listed in category). there easy want information being displayed in it. do:
if (!self.textfield.text.length) { //desired code run in instance of no text } 