Question

我已经创建了一个应用程序，我希望共享一个图像和一个文本，我已成功获取facebook的登录对话框。但登录后它给了我错误警告：无会话请求需要令牌但丢失应用程序ID或客户端令牌。 我该怎么做才能解决它。我的代码如下，请帮忙......

    @SuppressWarnings("deprecation")
        public void loginToFacebook() {

            mPrefs = getPreferences(MODE_PRIVATE);
            String access_token = mPrefs.getString("access_token", null);
            long expires = mPrefs.getLong("access_expires", 0);
            Session session = facebook.getSession();

            if (access_token != null) {
                SessionState st = SessionState.OPENED;
                facebook.setAccessToken(access_token);
                Exception e = new FacebookError("Error");
                System.out.println("::::::::::::::aCEESS TOKEN::::::::;;"
                        + access_token);
                 postToWall();
                /*fbImageSubmit(facebook, big_img, "3sMAniquines", "Maniquines",
                        cat_nem, big_img);*/

                onSessionStateChange(session, st, e);
                Log.d("FB Sessions", "" + facebook.isSessionValid());

            }
            if (facebook.isSessionValid()) {

            }

            if (expires != 0) {
                facebook.setAccessExpires(expires);
            }

            if (!facebook.isSessionValid()) {
                facebook.authorize(this,
                        new String[] { "email", "publish_stream" },
                        new DialogListener() {

                            @Override
                            public void onCancel() {
                                // Function to handle cancel event
                            }

                            @Override
                            public void onComplete(Bundle values) {
                                // Function to handle complete event
                                // Edit Preferences and update facebook acess_token
                                SharedPreferences.Editor editor = mPrefs.edit();
                                editor.putString("access_token",
                                        facebook.getAccessToken());
                                editor.putLong("access_expires",
                                        facebook.getAccessExpires());
                                editor.commit();

                            }

                            @Override
                            public void onError(DialogError error) {
                                // Function to handle error

                            }

                            @Override
                            public void onFacebookError(FacebookError fberror) {
                                // Function to handle Facebook errors

                            }

                        });
            }
 * */
    @SuppressWarnings("deprecation")
    public void postToWall() {

        // post on user's wall.
        facebook.dialog(this, "feed", new DialogListener() {

            @Override
            public void onFacebookError(FacebookError e) {
            }

            @Override
            public void onError(DialogError e) {
            }

            @Override
            public void onComplete(Bundle values) {
            }

            @Override
            public void onCancel() {
            }
        });

    }

Answer 1

您必须保存已登录用户的访问令牌以维护会话以执行进一步的任务。

根据您的代码，以下代码将为您提供当前登录用户的访问令牌。

String access_token = Const.fb.getAccessToken();

Facebook图片共享无法在Android中运行

1 个答案: