Java tutorial
/* * Copyright 2010 Facebook, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.downloadfacebook; import java.io.FileNotFoundException; import java.io.IOException; import java.net.MalformedURLException; import org.json.JSONException; import org.json.JSONObject; import android.util.Log; import com.facebook.android.FacebookError; import com.facebook.android.Util; import com.facebook.android.AsyncFacebookRunner.RequestListener; abstract class AsyncRequestListener implements RequestListener { public void onComplete(String response, final Object state) { try { JSONObject obj = Util.parseJson(response); onComplete(obj, state); } catch (JSONException e) { e.printStackTrace(); Log.e("facebook-stream", "JSON Error:" + e.getMessage()); } catch (FacebookError e) { Log.e("facebook-stream", "Facebook Error:" + e.getMessage()); } } public abstract void onComplete(JSONObject obj, final Object state); public void onFacebookError(FacebookError e, final Object state) { Log.e("stream", "Facebook Error:" + e.getMessage()); } public void onFileNotFoundException(FileNotFoundException e, final Object state) { Log.e("stream", "Resource not found:" + e.getMessage()); } public void onIOException(IOException e, final Object state) { Log.e("stream", "Network Error:" + e.getMessage()); } public void onMalformedURLException(MalformedURLException e, final Object state) { Log.e("stream", "Invalid URL:" + e.getMessage()); } }