Java tutorial
/* * Copyright (c) 2012, Codename One and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Codename One designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Codename One through http://www.codenameone.com/ if you * need additional information or have any questions. */ package com.codename1.impl.android; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import android.util.Log; import com.codename1.background.BackgroundFetch; import com.codename1.notifications.LocalNotification; import com.codename1.ui.Display; import java.io.IOException; import java.io.InputStream; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author Chen */ public class LocalNotificationPublisher extends BroadcastReceiver { public static String NOTIFICATION = "notification"; public static String NOTIFICATION_INTENT = "notification-intent"; public static String BACKGROUND_FETCH_INTENT = "background-fetch-intent"; public void onReceive(Context context, Intent intent) { //Fire the notification to the display NotificationManager notificationManager = (NotificationManager) context .getSystemService(Context.NOTIFICATION_SERVICE); Bundle extras = intent.getExtras(); PendingIntent content = extras.getParcelable(NOTIFICATION_INTENT); Bundle b = extras.getParcelable(NOTIFICATION); LocalNotification notif = AndroidImplementation.createNotificationFromBundle(b); if (AndroidImplementation.BACKGROUND_FETCH_NOTIFICATION_ID.equals(notif.getId())) { PendingIntent backgroundFetchIntent = extras.getParcelable(BACKGROUND_FETCH_INTENT); if (backgroundFetchIntent != null) { try { backgroundFetchIntent.send(); } catch (Exception ex) { Log.e("Codename One", "Failed to send BackgroundFetchHandler intent", ex); } } else { Log.d("Codename One", "BackgroundFetch intent was null"); } } else { Notification notification = createAndroidNotification(context, notif, content); notification.when = System.currentTimeMillis(); try { int notifId = Integer.parseInt(notif.getId()); notificationManager.notify("CN1", notifId, notification); } catch (Exception e) { //that was a mistake, the first param is the tag not the id notificationManager.notify(notif.getId(), 0, notification); } } } private Notification createAndroidNotification(Context context, LocalNotification localNotif, PendingIntent content) { Context ctx = context; int smallIcon = ctx.getResources().getIdentifier("ic_stat_notify", "drawable", ctx.getApplicationInfo().packageName); int icon = ctx.getResources().getIdentifier("icon", "drawable", ctx.getApplicationInfo().packageName); if (smallIcon == 0) { smallIcon = icon; } else { icon = smallIcon; } NotificationCompat.Builder builder = new NotificationCompat.Builder(ctx); builder.setContentTitle(localNotif.getAlertTitle()); builder.setContentText(localNotif.getAlertBody()); builder.setAutoCancel(true); if (localNotif.getBadgeNumber() >= 0) { if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP_MR1) { builder.setNumber(localNotif.getBadgeNumber()); } } String image = localNotif.getAlertImage(); if (image != null && image.length() > 0) { if (image.startsWith("/")) { image = image.substring(1); } InputStream in; try { in = context.getAssets().open(image); BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inPreferredConfig = Bitmap.Config.ARGB_8888; Bitmap im = BitmapFactory.decodeStream(in, null, opts); builder.setStyle(new NotificationCompat.BigPictureStyle().bigPicture(im)); } catch (IOException ex) { Logger.getLogger(LocalNotificationPublisher.class.getName()).log(Level.SEVERE, null, ex); } } builder.setSmallIcon(smallIcon); builder.setContentIntent(content); AndroidImplementation.setNotificationChannel( (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE), builder, context); String sound = localNotif.getAlertSound(); if (sound != null && sound.length() > 0) { sound = sound.toLowerCase(); builder.setSound(android.net.Uri.parse("android.resource://" + ctx.getApplicationInfo().packageName + "/raw" + sound.substring(0, sound.indexOf(".")))); } Notification n = builder.build(); n.icon = icon; if (sound == null || sound.length() == 0) { n.defaults |= Notification.DEFAULT_SOUND; } return n; } }