Using share dialog in Android Facebook SDK. How to know is user actually shared or cancelled sharing activity?

Question

I have added sharing functionality to Android app as described here https://developers.facebook.com/docs/android/share-dialog/#setup

But I have noticed that if user

Answer 1

Heading ## private static ShareDialog shareDialog;

    private static FacebookCallback shareCallback = new FacebookCallback() {
        @Override
        public void onCancel() {
            Log.d("HelloFacebook", "Canceled");
        }

        @Override
        public void onError(FacebookException error) {
            Log.d("HelloFacebook", String.format("Error: %s", error.toString()));
            String title = this.getActivty().getString(R.string.error);
            String alertMessage = error.getMessage();
            showResult(title, alertMessage);
        }

        @Override
        public void onSuccess(Sharer.Result result) {
            Log.d("HelloFacebook", "Success!");
            // 不为空，才分享成功
            if (result.getPostId() != null) {
                String title = this.getActivty().getString(R.string.success);
                String id = result.getPostId();
                String alertMessage = this.getActivty().getString(R.string.successfully_posted_post, id);
                showResult(title, alertMessage);
            }
        }

        private void showResult(String title, String alertMessage) {
            new AlertDialog.Builder(this.getActivty())
                    .setTitle(title)
                    .setMessage(alertMessage)
                    .setPositiveButton(R.string.ok, null)
                    .show();
        }
    };

protected void onCreate (Bundle savedInstanceState)
{
             shareDialog = new ShareDialog(this. getActivty());
             shareDialog.registerCallback( callbackManager, shareCallback);
}