public class FacebookConnect extends Activity {
Facebook facebook = new Facebook("");
String FILENAME = "AndroidSSO_data";
private SharedPreferences mPrefs;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/*
* Get existing access_token if any
*/
mPrefs = getPreferences(MODE_PRIVATE);
String access_token = mPrefs.getString("access_token", null);
long expires = mPrefs.getLong("access_expires", 0);
if(access_token != null) {
facebook.setAccessToken(access_token);
}
if(expires != 0) {
facebook.setAccessExpires(expires);
}
/*
* Only call authorize if the access_token has expired.
*/
if(!facebook.isSessionValid()) {
facebook.authorize(this, new String[] {}, new DialogListener() {
public void onComplete(Bundle values) {
SharedPreferences.Editor editor = mPrefs.edit();
editor.putString("access_token", facebook.getAccessToken());
editor.putLong("access_expires", facebook.getAccessExpires());
editor.commit();
}
public void onFacebookError(FacebookError error) {}
public void onError(DialogError e) {}
public void onCancel() {}
});
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
facebook.authorizeCallback(requestCode, resultCode, data);
AsyncFacebookRunner asyncRunner = new AsyncFacebookRunner(this.facebook);
asyncRunner.request("me", new meRequestListener());
}
}
这是我的代码与FB连接登录。我有两个疑惑: 1.我如何获取用户信息? (FB名称) 2.如何将其存储在数据库中。这里的问题是,即使我允许用户通过Facebook登录,也可以有其他用户使用相同的名称。那么,fb是否允许我获取他们的电子邮件地址以便在数据库中创建唯一条目?如何在Android应用程序中使用fb连接?