我收到错误，并且不知道为什么会发生这种情况。
错误是：
01-31 16:55:43.000: D/AndroidRuntime(1067): Shutting down VM
01-31 16:55:43.190: E/AndroidRuntime(1067): java.lang.StackOverflowError
01-31 16:55:43.190: E/AndroidRuntime(1067): at facebook.android.AsyncFacebookRunner.request(AsyncFacebookRunner.java:206)
01-31 16:55:43.190: E/AndroidRuntime(1067): at facebook.android.AsyncFacebookRunner.request(AsyncFacebookRunner.java:206)
01-31 16:55:43.190: E/AndroidRuntime(1067): at facebook.android.AsyncFacebookRunner.request(AsyncFacebookRunner.java:206)
以下是代码：
package com.example.facebookintregation;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import facebook.android.AsyncFacebookRunner;
import facebook.android.DialogError;
import facebook.android.Facebook;
import facebook.android.Facebook.DialogListener;
import facebook.android.FacebookError;
public class ShareOnFacebook extends Activity {
private static final String APP_ID = "360848087324012";
private static final String[] PERMISSIONS = new String[] { "publish_stream" };
private static final String TOKEN = "access_token";
private static final String EXPIRES = "expires_in";
private static final String KEY = "facebook-credentials";
private Facebook facebook;
private String messageToPost;
AsyncFacebookRunner asyncRunner;
static Bitmap User_pic;
public boolean saveCredentials(Facebook facebook) {
Editor editor = getApplicationContext().getSharedPreferences(KEY,
Context.MODE_PRIVATE).edit();
editor.putString(TOKEN, facebook.getAccessToken());
editor.putLong(EXPIRES, facebook.getAccessExpires());
return editor.commit();
}
public boolean restoreCredentials(Facebook facebook) {
SharedPreferences sharedPreferences = getApplicationContext()
.getSharedPreferences(KEY, Context.MODE_PRIVATE);
facebook.setAccessToken(sharedPreferences.getString(TOKEN, null));
facebook.setAccessExpires(sharedPreferences.getLong(EXPIRES, 0));
return facebook.isSessionValid();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
facebook = new Facebook(APP_ID);
asyncRunner = new AsyncFacebookRunner(facebook);
restoreCredentials(facebook);
String facebookMessage = getIntent().getStringExtra("facebookMessage");
if (facebookMessage == null) {
facebookMessage = "Testing App!";
}
messageToPost = facebookMessage;
if (!facebook.isSessionValid()) {
loginAndPostToWall();
} else {
postOnWall("test");
}
try {
String userid = facebook.request("me/friends");
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void doNotShare(View button) {
finish();
}
public void share(View button) {
if (!facebook.isSessionValid()) {
loginAndPostToWall();
} else {
postOnWall("test");
}
}
public void loginAndPostToWall() {
facebook.authorize(this, PERMISSIONS, new LoginDialogListener());
}
protected void postToWall(String userId) {
String response = null;
byte[] byteArray = null;
String id = null;
try {
response = facebook.request("me");
JSONObject me;
try {
me = new JSONObject(facebook.request("me"));
id = me.getString("id");
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Log.v("response", "response" + id);
User_pic = getUserPic(id);
// Bitmap bmp = intent.getExtras().get("data");
ByteArrayOutputStream stream = new ByteArrayOutputStream();
User_pic.compress(Bitmap.CompressFormat.PNG, 100, stream);
byteArray = stream.toByteArray();
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Bundle params = new Bundle();
params.putByteArray("message", userId.getBytes());
params.putByteArray("caption",
"{*actor*} just posted a secret message.".getBytes());
params.putByteArray("description",
"A secret message is waiting for you. Click the link to decode it."
.getBytes());
params.putByteArray("name", "A Secret Message For You".getBytes());
params.putByteArray("picture", byteArray);
facebook.dialog(this, "stream.publish", params,
new WallPostDialogListener());
// asyncRunner.request(((id == null) ? "me" : id) + "/feed", params,
// "POST", new WallPostDialogListener());
}
private Bitmap getUserPic(String id) {
/**
* Function loads the users facebook profile pic
*
* @param userID
*/
String imageURL;
Bitmap bitmap = null;
// Log.d(TAG, "Loading Picture");
imageURL = "http://graph.facebook.com/" + id + "/picture?type=small";
try {
bitmap = BitmapFactory.decodeStream((InputStream) new URL(imageURL)
.getContent());
Log.v("get user pic", "get user pic");
} catch (Exception e) {
Log.d("TAG", "Loading Picture FAILED");
e.printStackTrace();
}
return bitmap;
}
public void postOnWall(String msg) {
Log.d("Tests", "Testing graph API wall post");
try {
String response = facebook.request("me");
String response1 = facebook.request("me/friends");
Bundle parameters = new Bundle();
parameters.putString("message", msg);
parameters.putString("description", "test test test");
asyncRunner.request("me/feed", parameters, "POST",
new WallPostDialogListener());
Log.v("respone", "respone" + response1);
if (response == null || response.equals("")
|| response.equals("false")) {
Log.v("Error", "Blank response");
}
} catch (Exception e) {
e.printStackTrace();
}
}
class LoginDialogListener implements DialogListener {
public void onComplete(Bundle values) {
saveCredentials(facebook);
if (messageToPost != null) {
postOnWall(messageToPost);
}
}
public void onFacebookError(FacebookError error) {
showToast("Authentication with Facebook failed!");
finish();
}
public void onError(DialogError error) {
showToast("Authentication with Facebook failed!");
finish();
}
public void onCancel() {
showToast("Authentication with Facebook cancelled!");
finish();
}
}
class WallPostDialogListener implements DialogListener {
public void onComplete(Bundle values) {
final String postId = values.getString("post_id");
if (postId != null) {
showToast("Message posted to your facebook wall!");
} else {
showToast("Wall post cancelled!");
}
finish();
}
public void onFacebookError(FacebookError e) {
showToast("Failed to post to wall!");
e.printStackTrace();
finish();
}
public void onError(DialogError e) {
showToast("Failed to post to wall!");
e.printStackTrace();
finish();
}
public void onCancel() {
showToast("Wall post cancelled!");
finish();
}
}
private void showToast(String message) {
Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT)
.show();
}
}