我正在尝试实施Facebook登录几天。我想实现单点登录(SSO),但是当我登录到本机Facebook应用程序时,我收到了此消息:
"The page you requested cannot be displayed right now. it may be temporarily unavailable,
the link you clicked on may be broken or expired, or you may not have perrmission to view
this page".
我按照官方Facebook指南登录。
LoginButton connectToFacebook = (LoginButton) findViewById(R.id.lbConnectToFacebook);
connectToFacebook.setReadPermissions(Arrays.asList("user_relationships"));
UiLifecycleHelper uiHelper = new UiLifecycleHelper(MainActivity.this, callback);
uiHelper.onCreate(savedInstanceState);
我也实施了:
private void onSessionStateChange(Session session, SessionState state, Exception exception) {
if (state.isOpened()) {
Log.i("FACE", "Logged in...");
} else if (state.isClosed()) {
Log.i("FACE", "Logged out...");
}
}
private Session.StatusCallback callback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state, Exception exception) {
onSessionStateChange(session, state, exception);
}
};
并覆盖onActivityResult方法,但这仅在我从本机fb应用程序注销时才有效,并且正如我所说我不会使用:
connectToFacebook.setLoginBehavior(SessionLoginBehavior.SUPPRESS_SSO);
我想要单点登录。
答案 0 :(得分:0)
试试这个...
import com.facebook.Request;
import com.facebook.Response;
import com.facebook.Session;
import com.facebook.SessionState;
import com.facebook.model.GraphUser;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends Activity {
Button btnLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnLogin = (Button)findViewById(R.id.btnLogin);
btnLogin.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Session.openActiveSession(MainActivity.this, true, new Session.StatusCallback() {
@Override
public void call(final Session session, SessionState state, Exception exception) {
// TODO Auto-generated method stub
if(session.isOpened())
{
Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
@Override
public void onCompleted(GraphUser user, Response response) {
// TODO Auto-generated method stub
Toast.makeText(getBaseContext(), "Welcome", 1000).show();
}
});
}
}
});
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Session.getActiveSession().onActivityResult(this, requestCode,
resultCode, data);
}
}
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<Button
android:id="@+id/btnLogin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:layout_marginTop="156dp"
android:text="@string/login" />
</RelativeLayout>
清单
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.addnewlist"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.addnewlist.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data
android:name="com.facebook.sdk.ApplicationId"
android:value="@string/app_id" />
<activity android:name="com.facebook.LoginActivity" >
</activity>
</application>
</manifest>