Java tutorial
/* Copyright 2013-2014 appPlant UG Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.ginasystem.plugins.notification; import android.annotation.SuppressLint; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.text.Spannable; import android.text.SpannableString; import android.text.style.StyleSpan; import android.util.Log; import org.apache.cordova.CallbackContext; import org.apache.cordova.CordovaInterface; import org.apache.cordova.CordovaPlugin; import org.apache.cordova.CordovaWebView; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.util.ArrayList; import java.util.HashMap; import java.util.Random; public class MessengerNotification extends CordovaPlugin { protected final static String PLUGIN_NAME = "MessengerNotification"; public static final String OPTIONS = "MESSENGER_NOTIFICATION_OPTIONS"; private static CordovaWebView webView = null; private static Boolean deviceready = false; protected static Context context = null; private static ArrayList<String> eventQueue = new ArrayList<String>(); @Override public void initialize(CordovaInterface cordova, CordovaWebView webView) { super.initialize(cordova, webView); MessengerNotification.webView = super.webView; MessengerNotification.context = super.cordova.getActivity().getApplicationContext(); } @Override public boolean execute(String action, final JSONArray args, final CallbackContext command) throws JSONException { if (action.equalsIgnoreCase("add")) { cordova.getThreadPool().execute(new Runnable() { public void run() { JSONObject arguments = args.optJSONObject(0); Options options = new Options(context).parse(arguments); add(options); command.success(); } }); } if (action.equalsIgnoreCase("cancel")) { cordova.getThreadPool().execute(new Runnable() { public void run() { String tag = args.optString(0); cancel(tag); command.success(); } }); } if (action.equalsIgnoreCase("cancelAll")) { cordova.getThreadPool().execute(new Runnable() { public void run() { cancelAll(); command.success(); } }); } if (action.equalsIgnoreCase("start")) { cordova.getThreadPool().execute(new Runnable() { public void run() { deviceready(); } }); } return true; } /** * Calls all pending callbacks after the deviceready event has been fired. */ private static void deviceready() { deviceready = true; for (String js : eventQueue) { webView.sendJavascript(js); } eventQueue.clear(); } /** * Set an alarm. * * @param options * The options that can be specified per alarm. */ public void add(Options options) { Notification.Builder notification = buildNotification(options); showNotification(notification, options); } /** * Converts tag (string) to integer ID using internal hashCode method * @param tag notification tag * @return notification ID */ private static int tagToId(String tag) { return tag.hashCode(); } /** * Creates the notification. */ @SuppressLint("NewApi") private Notification.Builder buildNotification(Options options) { Notification.Builder notification = new Notification.Builder(context).setDefaults(0) // Do not inherit any defaults .setContentTitle(options.getTitle()).setContentText(options.getTicker()) .setNumber(options.getBadge()).setTicker(options.getTicker()).setSmallIcon(options.getSmallIcon()) .setLargeIcon(options.getIcon()).setAutoCancel(true).setOngoing(false) .setPriority(Notification.PRIORITY_MAX); if (options.getMessages().size() > 0) { Notification.InboxStyle style = new Notification.InboxStyle().setBigContentTitle(options.getTitle()) .setSummaryText(options.getSummary()); for (JSONObject message : options.getMessages()) { String label = message.optString("label"); String text = message.optString("text"); Spannable sb = new SpannableString(label + " " + text); sb.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), 0, label.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); style.addLine(sb); } notification.setStyle(style); } setClickEvent(notification, options); return notification; } /** * Adds an onclick handler to the notification */ private Notification.Builder setClickEvent(Notification.Builder notification, Options options) { Intent intent = new Intent(context, ReceiverActivity.class) .putExtra(OPTIONS, options.getJSONObject().toString()).setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); int requestCode = new Random().nextInt(); PendingIntent contentIntent = PendingIntent.getActivity(context, requestCode, intent, PendingIntent.FLAG_CANCEL_CURRENT); return notification.setContentIntent(contentIntent); } /** * Shows the notification */ @SuppressWarnings("deprecation") private void showNotification(Notification.Builder notification, Options options) { int id = tagToId(options.getTag()); getNotificationManager().notify(id, notification.build()); } /** * Cancel a specific notification that was previously registered. * * @param tag * The original tag used when add() was called */ public static void cancel(String tag) { NotificationManager nc = getNotificationManager(); try { nc.cancel(tagToId(tag)); } catch (Exception ignored) { } } /** * Cancel all notifications that were created by this plugin. */ public static void cancelAll() { NotificationManager nc = getNotificationManager(); nc.cancelAll(); } /** * Fires the given event. * * @param tag The tag of the notification */ public static void fireClickEvent(String tag, String json) { String js = "setTimeout(function () { MessengerNotification.fire(\"click\", \"" + tag + /*"\", \"" + json + */"\"); }, 1)"; // webview may available, but callbacks needs to be executed // after deviceready if (!deviceready) { eventQueue.add(js); } else { webView.sendJavascript(js); } } /** * The notification manager for the application. */ protected static NotificationManager getNotificationManager() { return (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); } }