title: TextField Input Accessory View Issue
body: <p>i'm adding view above keyboard, for this i'm using textfield input accessoryView. 
  i'm adding this using following code but its application get crash once i make textfield first responder. can anyone let me know what i'm doing wrong. other thing i need to point out if i simply put this view in my controller its working fine but for component based approach once i try to give this view class it fails.</p>
  
  <pre><code>  keyboardView = (KeyboardAccessoryView*)[[NSBundle mainBundle] loadNibNamed:@"KeyboardAccessoryView" owner:self options:nil];
      self.secureNumberTxtField.inputAccessoryView = keyboardView;
      self.secureNumberTxtField.delegate = self;
  
      [self.secureNumberTxtField becomeFirstResponder];
  </code></pre>
  
  <p><strong>error:</strong>
  Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSArrayM tag]: unrecognized selector sent to instance </p>