title: How to change return button to Done in UIAlertViewStylePlainTextInput Xcode
body: <pre><code>UIAlertView *alert = [[UIAlertView alloc] initWithTitle:APP_NAME
                                                  message:@"Please enter amount"
                                                 delegate:self
                                        cancelButtonTitle:@"Done"
                                        otherButtonTitles:nil];
  alert.alertViewStyle = UIAlertViewStylePlainTextInput;
  alert.tag = 2;
  [alert show];
  </code></pre>
  
  <p>Above is my coding and type amount in UIAlertView. When keyboard is showing up, my client want "Done" button instead of "Return". Please help me how to do it?</p>