| SN | Method Signature | Description |
|---|---|---|
| 1 | func textFieldShouldBeginEditing(UITextField) -> Bool | It asks the delegate if editing should begin the respective textfield. |
| 2 | func textFieldDidBeginEditing(UITextField) | It tells the delegate that the editing is started in the textfield. |
| 3 | func textFieldShouldEndEditing(UITextField) -> Bool | It asks the delegate to end the editing in the textfield. |
| 4 | func textFieldDidEndEditing(UITextField, reason: UITextField.DidEndEditingReason) | It tells the delegate that the editing has been stopped for the specified textfield. |
| 5 | func textFieldDidEndEditing(UITextField) | It is the overloaded methods which also does the same as the above. |
| 6 | func textField(UITextField, shouldChangeCharactersIn: NSRange, replacementString: String) -> Bool | It asks the delegate that if the text field's current content should be changed. |
| 7 | func textFieldShouldClear(UITextField) -> Bool | It asks the delegate if the text field's current content should be removed. |
