Java tutorial
/* * Copyright 2013 Michael Boyde Wallace (http://wallaceit.com.au) * This file is part of Reddinator. * * Reddinator is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Reddinator is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Reddinator (COPYING). If not, see <http://www.gnu.org/licenses/>. */ package au.com.wallaceit.reddinator; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.Service; import android.content.Context; import android.content.Intent; import android.graphics.BitmapFactory; import android.os.AsyncTask; import android.os.IBinder; import android.support.v4.app.NotificationCompat; public class MailCheckService extends Service { public static String MAIL_CHECK_COMPLETE = "reddinator.mail.check.complete"; public static String ACTIVITY_CHECK_ACTION = "reddinator.mail.check"; public static String NOTIFY_CHECK_ACTION = "reddinator.mail.check.notify"; private GlobalObjects global; private String action; public static void checkMail(Context context, String action) { Intent intent = new Intent(context, MailCheckService.class); intent.setAction(action); context.startService(intent); } @Override public void onCreate() { global = ((GlobalObjects) getApplicationContext()); } @Override public int onStartCommand(Intent intent, int flags, int startId) { action = intent.getAction(); if (global.mRedditData.isLoggedIn()) if (action.equals(ACTIVITY_CHECK_ACTION) || action.equals(NOTIFY_CHECK_ACTION)) { (new MailCheckTask()).execute(); } return START_NOT_STICKY; } class MailCheckTask extends AsyncTask<String, Void, Boolean> { @Override protected Boolean doInBackground(String... params) { try { global.mRedditData.updateUserInfo(); System.out.println("Mail check completed " + global.mRedditData.getInboxCount()); } catch (RedditData.RedditApiException e) { e.printStackTrace(); return false; } return true; } @Override protected void onPostExecute(Boolean result) { if (result) if (action.equals(ACTIVITY_CHECK_ACTION)) { // notify activity Intent bIntent = new Intent(MAIL_CHECK_COMPLETE); sendBroadcast(bIntent); } else { // show notification if (global.mRedditData.getInboxCount() > 0) setNotification(); } } } private void setNotification() { int message = global.mRedditData.getInboxCount(); Intent notifyIntent = new Intent(this, WebViewActivity.class); notifyIntent.setAction(WebViewActivity.ACTION_CLEAR_INBOX_COUNT); notifyIntent.putExtra("url", "http://www.reddit.com/message/unread/.compact"); Notification notification = new NotificationCompat.Builder(this).setContentTitle(message + " New Messages") .setContentText("Click to view reddit messages") .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.drawable.reddit_icon_small)) .setSmallIcon(R.drawable.ic_notify) .setContentIntent( PendingIntent.getActivity(this, 0, notifyIntent, PendingIntent.FLAG_UPDATE_CURRENT)) .build(); NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); notificationManager.notify(1, notification); } @Override public IBinder onBind(Intent intent) { return null; } }