Java tutorial
/* * Copyright 2014 Vasya Drobushkov * * 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.krossovochkin.kwitter.tasks; import android.os.AsyncTask; import android.util.Log; import com.krossovochkin.kwitter.listeners.FavoriteListener; import twitter4j.Twitter; import twitter4j.TwitterException; /** * Created by Vasya Drobushkov <vasya.drobushkov@gmail.com> on 23.02.14. */ public class FavoriteAsyncTask extends AsyncTask<Object, Boolean, Boolean> { public static final String TAG = FavoriteAsyncTask.class.getSimpleName(); private Twitter twitter; private long tweetId; private FavoriteListener favoriteListener; public FavoriteAsyncTask(Twitter twitter, long tweetId, FavoriteListener favoriteListener) { this.twitter = twitter; this.favoriteListener = favoriteListener; this.tweetId = tweetId; } @Override protected Boolean doInBackground(Object... objects) { if (twitter != null) { try { twitter.createFavorite(tweetId); return true; } catch (TwitterException e) { Log.e(TAG, "Retweet failed: " + e.getMessage()); return false; } } else { Log.e(TAG, "Retweet failed: twitter is null. Did you set it in a proper way?"); return false; } } @Override protected void onPostExecute(Boolean isSuccessful) { super.onPostExecute(isSuccessful); if (isCancelled()) { return; } if (favoriteListener != null) { if (isSuccessful) { favoriteListener.onFavoriteSuccess(); } else { favoriteListener.onFavoriteError(); } } } }