Java tutorial
/* Copyright 2013 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 br.ajmarques.cordova.plugin.localnotification; import java.util.Calendar; import java.util.Random; import org.json.JSONException; import org.json.JSONObject; import android.annotation.SuppressLint; import android.app.ActivityManager; import android.app.Notification; import android.app.Notification.Builder; 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.Build; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import android.text.TextUtils; /** * The alarm receiver is triggered when a scheduled alarm is fired. This class * reads the information in the intent and displays this information in the * Android notification bar. The notification uses the default notification * sound and it vibrates the phone. */ public class Receiver extends BroadcastReceiver { public static final String OPTIONS = "LOCAL_NOTIFICATION_OPTIONS"; private Context context; private Options options; @Override public void onReceive(Context context, Intent intent) { Options options = null; Bundle bundle = intent.getExtras(); JSONObject args; try { args = new JSONObject(bundle.getString(OPTIONS)); options = new Options(context).parse(args); } catch (JSONException e) { return; } this.context = context; this.options = options; // The context may got lost if the app was not running before LocalNotification.setContext(context); if (options.getInterval() == 0) { LocalNotification.unpersist(options.getId()); } else if (isFirstAlarmInFuture()) { return; } else { LocalNotification.add(options.moveDate()); } NotificationCompat.Builder notification = buildNotification(); if (!isInBackground(context)) { invokeForegroundCallback(); } showNotification(notification); } /* * If you set a repeating alarm at 11:00 in the morning and it * should trigger every morning at 08:00 o'clock, it will * immediately fire. E.g. Android tries to make up for the * 'forgotten' reminder for that day. Therefore we ignore the event * if Android tries to 'catch up'. */ private Boolean isFirstAlarmInFuture() { if (options.getInterval() > 0) { Calendar now = Calendar.getInstance(); Calendar alarm = options.getCalendar(); int alarmHour = alarm.get(Calendar.HOUR_OF_DAY); int alarmMin = alarm.get(Calendar.MINUTE); int currentHour = now.get(Calendar.HOUR_OF_DAY); int currentMin = now.get(Calendar.MINUTE); if (currentHour != alarmHour && currentMin != alarmMin) { return true; } } return false; } /** * Erstellt die Notification. */ private NotificationCompat.Builder buildNotification() { Bitmap icon = BitmapFactory.decodeResource(context.getResources(), options.getIcon()); NotificationCompat.Builder notification = new NotificationCompat.Builder(context) .setContentTitle(options.getTitle()).setContentText(options.getMessage()) .setNumber(options.getBadge()).setTicker(options.getTitle()).setSmallIcon(options.getSmallIcon()) .setLargeIcon(icon).setSound(options.getSound()).setAutoCancel(options.getAutoCancel()); /* Builder notification = new Notification.Builder(context) .setContentTitle(options.getTitle()) .setContentText(options.getMessage()) .setNumber(options.getBadge()) .setTicker(options.getTitle()) .setSmallIcon(options.getSmallIcon()) .setLargeIcon(icon) .setSound(options.getSound()) .setAutoCancel(options.getAutoCancel()); */ setClickEvent(notification); return notification; } /** * Fgt der Notification einen onclick Handler hinzu. */ private NotificationCompat.Builder setClickEvent(NotificationCompat.Builder notification) { 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); } /** * Zeigt die Notification an. */ @SuppressWarnings("deprecation") @SuppressLint("NewApi") private void showNotification(NotificationCompat.Builder notification) { NotificationManager mgr = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); int id = 0; try { id = Integer.parseInt(options.getId()); } catch (Exception e) { } if (Build.VERSION.SDK_INT < 16) { // build notification for HoneyComb to ICS mgr.notify(id, notification.getNotification()); } else if (Build.VERSION.SDK_INT > 15) { // Notification for Jellybean and above mgr.notify(id, notification.build()); } } /** * Gibt an, ob die App im Hintergrund luft. */ private boolean isInBackground(Context context) { return !context.getPackageName() .equalsIgnoreCase(((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE)) .getRunningTasks(1).get(0).topActivity.getPackageName()); } /** * Ruft die `foreground` Callback Funktion auf. */ private void invokeForegroundCallback() { String function = options.getForeground(); // after reboot, LocalNotification.webView is always null // may be call foreground callback later if (!TextUtils.isEmpty(function) && LocalNotification.webView != null) { String params = "\"" + options.getId() + "\",\\'" + JSONObject.quote(options.getJSON()) + "\\'.replace(/(^\"|\"$)/g, \\'\\')"; String js = "setTimeout('" + function + "(" + params + ")',0)"; LocalNotification.webView.sendJavascript(js); } } }