UIBarButtonItem Accessibility Identifiers Not Visible in Appium

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I am programmatically creating a UIBarButtonItem and setting its accessibility identifier and label. Here is the code I am using for it.

_rightBarButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 40.0f, 40.0f)];
    buttonImage = [[UIImage imageNamed:@"bt_send_.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0.0f, 0, 0.0f)];
    [_rightBarButton setBackgroundImage:buttonImage forState:UIControlStateNormal];
    [_rightBarButton addTarget:self action:@selector(sendQuickNote:) forControlEvents:UIControlEventTouchUpInside];
    //Accessibility Identifier for Send Button
    _rightBarButton.isAccessibilityElement = YES;
    _rightBarButton.accessibilityIdentifier = @"Send Note";
    _rightBarButton.accessibilityLabel = @"Send Note";
    [_rightBarButton setTitle:@"Send Note" forState:UIControlStateNormal];

    self.sendButtonItem = [[UIBarButtonItem alloc] initWithCustomView:_rightBarButton];
    self.sendButtonItem.enabled = NO;

    //Accessibility Identifier for Send Button
    self.sendButtonItem.isAccessibilityElement = YES;
    self.sendButtonItem.accessibilityIdentifier = @"Send Note";
    self.sendButtonItem.accessibilityLabel = @"Send Note";
    [self.sendButtonItem setTitle:@"Send Note"];

    [self.navigationItem addRightBarButtonItem:self.sendButtonItem];

But the accessibility Identifiers are not available in Appium inspector. What am i doing wrong here?

Thanks.

2

accessibility id is webelement content-desc/name attribute of a node

3

I was having issue in IOS 8.1 simulator. But on 8.4 there is no issue.
Thanks