如何从facebook sdk获得用户生日？

Question

如何获得用户生日user.getBirthday()？

Session.openActiveSession(this, true, new Session.StatusCallback() {
      // callback when session changes state
      @Override
      public void call(Session session, SessionState state, Exception exception) {
        if (session.isOpened()) {

          // make request to the /me API
          Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {

            // callback after Graph API response with user object
            @Override
            public void onCompleted(GraphUser user, Response response) {
              if (user != null) {
                TextView welcome = (TextView) findViewById(R.id.textView1);
                welcome.setText("Hello " + user.getBirthday() + "!");
                Log.d("user_birthday","user_birthday:"+user.getBirthday());//user.getBirthday()  this value always is null?
              }
            }
          });
        }
      }
    });

Answer 1

首先,您是否设置了user_birthday的权限？如果您想访问user_birthday信息,这一点非常重要

如果用户通常不是null,则可以通过user.getBirthday()获取生日,因为从我看到你正在使用新的facebook SDK

例如,当您使用facebook authbutton时,您可以设置权限

authButton.setReadPermissions(Arrays.asList("user_location", "user_birthday", "user_likes"));

或者您可以重新授权

Session.ReauthorizeRequest reauthRequest = new Session.ReauthorizeRequest(this, PERMISSIONS).
                    setRequestCode(REAUTHORIZE_ACTIVITY).
                    setLoginBehavior(SessionLoginBehavior.SSO_WITH_FALLBACK);
session.reauthorizeForPublish(reauthRequest);

其中PERMISSION是包含您的许可的数组