Android facebook sdk 4 post text to wall

Question

I want to share only text via facebook sdk. I researched more time but generally use ShareLinkContent class. Its working but i dont want to add link only post text to user wall via to ShareButton. How i can do?

Code:

ShareLinkContent content = new ShareLinkContent.Builder()
        .setContentDescription(Html.fromHtml(shareText).toString())
        .setContentUrl(Uri.parse("http://developers.facebook.com/android"))
        .build();

ShareApi.share(content, new FacebookCallback<Sharer.Result>() {
    @Override
    public void onSuccess(Sharer.Result result) {
        Toast.makeText(activity, "Success..", Toast.LENGTH_LONG).show();
    }

    @Override
    public void onCancel() {
        Toast.makeText(activity, "Cancel..", Toast.LENGTH_LONG).show();
    }

    @Override
    public void onError(FacebookException e) {}
});

shareButton.setFragment(this);
shareButton.setShareContent(content);

FacebookSDK: 4.11.0