Facebook共享回调没有调用onActivityResult

Question

我可以成功分享到Facebook帖子，但无法获得任何回调，知道它是否成功。我尝试调试它，结果onActivityResult永远不会被调用。这很奇怪，因为我的fblogin按钮实际上使用相同的callbackmanager，正常调用onActivityResult。

这是我的相关代码：

    aCallbackManager = CallbackManager.Factory.create();
        shareDialog = new ShareDialog(this);
        shareDialog.registerCallback(
                aCallbackManager, new FacebookCallback<Sharer.Result>() {
                    @Override
                    public void onCancel() {
                        Log.d("Facebookshare", "Canceled");
                    }

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

                    @Override
                    public void onSuccess(Sharer.Result result) {
                        Log.d("Facebookshare", "Success!");
                        if (result.getPostId() != null) {
                            String title = getString(R.string.app_name);
                            String id = result.getPostId();
                            String alertMessage = getString(R.string.app_name);
                            showResult(title, alertMessage);


                        }
                    }
 });

和

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        // Pass the activity result back to the Facebook SDK
        if (mCallbackManager!=null && requestCode != RC_SIGN_IN) {
            mCallbackManager.onActivityResult(requestCode, resultCode, data);
        } else   if (aCallbackManager!=null && requestCode != RC_SIGN_IN) {
            aCallbackManager.onActivityResult(requestCode, resultCode, data);
        }
else {
            // Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
            if (requestCode == RC_SIGN_IN) {
                GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
                if (result.isSuccess()) {
                    // Google Sign In was successful, authenticate with Firebase
                    GoogleSignInAccount account = result.getSignInAccount();
                    firebaseAuthWithGoogle(account);
                } else {
                    // Google Sign In failed, update UI appropriately
                    // [START_EXCLUDE]
                    Toast.makeText(MainActivity.this, "GoogleSignIn failed",
                            Toast.LENGTH_SHORT).show();
                    // updateUI(null);
                    // [END_EXCLUDE]
                }
            }
        }
    }

我的onActivityResult

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