change the title color of keyboard toolbar objective c : i want to change the title color of keyboard toobar i.e(submit button), and the other is how can i add the image for keyboard toolbar. TIA

UIToolbar *keyboardToolbar = [[UIToolbar alloc] init];

 [keyboardToolbar sizeToFit];

  keyboardToolbar.translucent=NO; //if you want it.

  keyboardToolbar.barTintColor = [UIColor lightGrayColor];

 _txtCommentView.inputAccessoryView = keyboardToolbar;

keyboardToolbar.items = [NSArray arrayWithObjects:
                             [[UIBarButtonItem alloc]initWithTitle:@"Submit" style:UIBarButtonItemStyleBordered target:self action:@selector(submitClicked:)],
                              nil];