如何从Android应用程序中注销Facebook

Question

我正在关注this 集成 Facebook SDK for Android 的教程。它完美地工作。我的问题是如果我想退出 Facebook 怎么办（比如关闭会话）。如何在同一个按钮上登录和注销。

 button1=(Button)findViewById(R.id.button1);
button1.setOnClickListener(new View.OnClickListener() {

    @Override
    public void onClick(View arg0) {
        // TODO Auto-generated method stub
        Intent i=new Intent(this,MainActivity.class);
                     startActivity(i);
    }
});

以下是我的代码：

public class MainActivity extends Activity {

 private Button button1;

   @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Session.openActiveSession(this, true, new StatusCallback() {

    @Override
    public void call(Session session, SessionState state, Exception exception) {
        // TODO Auto-generated method stub
        Request.executeMeRequestAsync(session,new Request.GraphUserCallback() {

            @Override
            public void onCompleted(GraphUser user, Response response) {
                // TODO Auto-generated method stub
                if(user!=null){
                    TextView tv1=(TextView)findViewById(R.id.textview1);
                    tv1.setText("Hello "+user.getName()+ ";");
                }
            }
        });
    }
});

}

 @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);

    }

     } 

我想在buttonClick 上登录和注销。任何人都可以帮忙吗？ 提前致谢。

Answer 1

调用此方法。您将从会话中注销

 session.closeAndClearTokenInformation();