for (UIView *searchBarSubview in [_searchBar subviews]) {
if ([searchBarSubview conformsToProtocol:@protocol(UITextInputTraits)]) {
@try {
// set style of keyboard
[(UITextField *)searchBarSubview setKeyboardAppearance:UIKeyboardAppearanceAlert];
// always force return key to be enabled
[(UITextField *)searchBarSubview setEnablesReturnKeyAutomatically:NO];
}
@catch (NSException * e) {
// ignore exception
}
}
}