我跟着Facebook SDK for Android getting started tutorial并且“if(session.isOpened())”语句从未通过。我的主要活动java代码是教程的精确副本。
我读了散列键的错误,所以我在教程中的步骤4的疑难解答部分添加了代码,并将logcat hashkey复制到我的Facebook Dev帐户,但没有区别。
- 我的项目目标:Android 4.3(18)
-facebook-Android的SDK-3.0.2
-java 1.7
- 在模拟器中测试
我应该检查一下吗?
package com.firstandroidapp;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import com.facebook.*;
import com.facebook.model.*;
import android.widget.TextView;
import android.content.Intent;
public class MainActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// start Facebook Login
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()) {
Log.d("CHECKPOINT", "Session opened!");
// 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.welcome);
welcome.setText("Hello " + user.getName() + "!");
}
}
});
}
else
{
Log.d("CHECKPOINT", "No open session");
}
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode, resultCode, data);
}
}