Java tutorial
/* * * Copyright (C) 2011 Dmitry Savchenko <dg.freak@gmail.com> * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ package com.phonegap.plugins.statusBarNotification; import org.apache.cordova.api.CallbackContext; import org.apache.cordova.api.CordovaPlugin; import org.json.JSONArray; import org.json.JSONException; import android.app.Notification; import android.app.NotificationManager; import android.content.Context; import android.content.Intent; import android.util.Log; public class StatusBarNotification extends CordovaPlugin { // Action to execute public static final String NOTIFY = "notify"; public static final String CLEAR = "clear"; /** * Executes the request and returns PluginResult * * @param action Action to execute * @param data JSONArray of arguments to the plugin * @param callbackContext The callback context used when calling back into JavaScript. * * @return A PluginRequest object with a status * */ @Override public boolean execute(String action, JSONArray data, CallbackContext callbackContext) { boolean actionValid = true; if (NOTIFY.equals(action)) { try { String tag = data.getString(0); String title = data.getString(1); String body = data.getString(2); String flag = data.getString(3); Log.d("NotificationPlugin", "Notification: " + tag + ", " + title + ", " + body); int notificationFlag = getFlagValue(flag); showNotification(tag, title, body, notificationFlag); } catch (JSONException jsonEx) { Log.d("NotificationPlugin", "Got JSON Exception " + jsonEx.getMessage()); actionValid = false; } } else if (CLEAR.equals(action)) { try { String tag = data.getString(0); Log.d("NotificationPlugin", "Notification cancel: " + tag); clearNotification(tag); } catch (JSONException jsonEx) { Log.d("NotificationPlugin", "Got JSON Exception " + jsonEx.getMessage()); actionValid = false; } } else { actionValid = false; Log.d("NotificationPlugin", "Invalid action : " + action + " passed"); } return actionValid; } /** * Helper method that returns a flag value to be used for notification * by default it will return 16 representing FLAG_NO_CLEAR * * @param flag * @return int value of the flag */ private int getFlagValue(String flag) { int flagVal = Notification.FLAG_AUTO_CANCEL; // We trust the flag value as it comes from our JS constant. // This is also backwards compatible as it will be emtpy. if (!flag.isEmpty()) { flagVal = Integer.parseInt(flag); } return flagVal; } /** * Displays status bar notification * * @param tag Notification tag. * @param contentTitle Notification title * @param contentText Notification text * */ public void showNotification(CharSequence tag, CharSequence contentTitle, CharSequence contentText, int flag) { String ns = Context.NOTIFICATION_SERVICE; context = cordova.getActivity().getApplicationContext(); mNotificationManager = (NotificationManager) context.getSystemService(ns); Notification noti = StatusNotificationIntent.buildNotification(context, tag, contentTitle, contentText, flag); mNotificationManager.notify(tag.hashCode(), noti); } /** * Cancels a single notification by tag. * * @param tag Notification tag to cancel. */ public void clearNotification(String tag) { mNotificationManager.cancel(tag.hashCode()); } /** * Removes all Notifications from the status bar. */ public void clearAllNotifications() { mNotificationManager.cancelAll(); } /** * Called when a notification is clicked. * @param intent The new Intent passed from the notification. */ @Override public void onNewIntent(Intent intent) { // The incoming Intent may or may not have been for a notification. String tag = intent.getStringExtra("notificationTag"); if (tag != null) { this.webView.sendJavascript("window.Notification.callOnclickByTag('" + tag + "')"); } } private NotificationManager mNotificationManager; private Context context; }