Java tutorial
/* * Copyright (C) 2013 The Android Open Source Project * * Licensed 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.playtech.ezpush.gcm; import android.app.IntentService; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import android.os.Bundle; import android.os.SystemClock; import android.support.v4.app.NotificationCompat; import android.util.Log; import android.widget.RemoteViews; import com.google.android.gms.gcm.GoogleCloudMessaging; import com.playtech.ezpush.MainActivity; import com.playtech.ezpush.R; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; /** * This {@code IntentService} does the actual handling of the GCM message. * {@code GcmBroadcastReceiver} (a {@code WakefulBroadcastReceiver}) holds a * partial wake lock for this service while the service does its work. When the * service is finished, it calls {@code completeWakefulIntent()} to release the * wake lock. */ public class GcmIntentService extends IntentService { public static final int NOTIFICATION_ID = 1; private static String[] excludes = new String[] { "from", "collapse_key", "android_header", "android_sound", "android.support.content.wakelockid", "message" }; public static final String ACTION_NOTIFICATION_CLICK = "com.playtech.luck.c2dm.ACTION_NOTIFICATION_CLICK"; public static final String ACTION_OPEN_NOTIFICATION = "com.playtech.luck.c2dm.ACTION_OPEN_NOTIFICATION"; public static final String NOTIFICATION_TITLE = "EzPush"; public static final String NOTIFICATION_MESSAGE = "NOTIFICATION_MESSAGE"; public static final String EXTRA_MESSAGE = "message"; public static final String EXTRA_SOUND = "android_sound"; // url to android sound here public static final String EXTRA_HEADER = "android_header"; //android header here public static final String EXTRA_ICON = "android_icon"; //url to android icon here public static final String EXTRA_CUSTOM_ICON = "android_custom_icon"; //url to android custom icon here public static final String EXTRA_BANNER = "android_banner"; //url to android banner here private NotificationManager mNotificationManager; NotificationCompat.Builder builder; public GcmIntentService() { super("GcmIntentService"); } public static final String TAG = "GCM Demo"; private boolean containsKey(String s) { for (String option : excludes) { if (option.equals(s)) return true; } return false; } @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this); // The getMessageType() intent parameter must be the intent you received // in your BroadcastReceiver. String messageType = gcm.getMessageType(intent); if (!extras.isEmpty()) { // has effect of unparcelling Bundle /* * Filter messages based on message type. Since it is likely that GCM will be * extended in the future with new message types, just ignore any message types you're * not interested in, or that you don't recognize. */ if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType)) { sendNotification("Send error: " + extras.toString()); } else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType)) { sendNotification("Deleted messages on server: " + extras.toString()); // If it's a regular GCM message, do some work. } else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType)) { // This loop represents the service doing some work. for (int i = 0; i < 5; i++) { Log.i(TAG, "Working... " + (i + 1) + "/5 @ " + SystemClock.elapsedRealtime()); try { Thread.sleep(5000); } catch (InterruptedException e) { } } Log.i(TAG, "Completed work @ " + SystemClock.elapsedRealtime()); // Post notification of received message. showNotification(extras); Log.i(TAG, "Received: " + extras.toString()); } } // Release the wake lock provided by the WakefulBroadcastReceiver. GcmBroadcastReceiver.completeWakefulIntent(intent); } // Put the message into a notification and post it. // This is just one simple example of what you might choose to do with // a GCM message. private void sendNotification(String msg) { mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), 0); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setContentTitle("GCM Notification").setStyle(new NotificationCompat.BigTextStyle().bigText(msg)) .setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } private void showNotification(Bundle extras) { Intent intent = new Intent(getApplicationContext(), MainActivity.class); NotificationManager notificationManager = (NotificationManager) this .getSystemService(this.NOTIFICATION_SERVICE); CharSequence message = extras.getString(EXTRA_MESSAGE); intent.putExtra(NOTIFICATION_MESSAGE, message); CharSequence title = extras.getString(EXTRA_HEADER); if (title == null) title = NOTIFICATION_TITLE; String aid = extras.getString("application_id"); intent.putExtra("APP_ID", aid); String nid = extras.getString("nid"); intent.putExtra("NOTIFICATION_ID", nid); intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); Notification.InboxStyle style = new Notification.InboxStyle(); style.addLine(message); for (String s : extras.keySet()) { if (!containsKey(s)) { style.addLine(s + ":" + extras.getString(s)); } } PendingIntent pendingIntent = PendingIntent.getActivity(this, intent.hashCode(), intent, PendingIntent.FLAG_ONE_SHOT); Notification.Builder nb = new Notification.Builder(this).setContentTitle(title).setContentText(message) .setSmallIcon(R.mipmap.ezpush_logo) .setLargeIcon(loadBitmap("http://ursynoteka.pl/wp-content/uploads/2012/04/message_new.png")) .setStyle(style).setContentIntent(pendingIntent).setAutoCancel(true); if (extras.containsKey(EXTRA_SOUND)) { nb.setSound(Uri.parse(extras.getString(EXTRA_SOUND))); } if (extras.containsKey(EXTRA_BANNER)) { Bitmap bitmap = loadBitmap(extras.getString(EXTRA_BANNER)); if (bitmap != null) { NotificationCompat.BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle() .setBigContentTitle(NOTIFICATION_TITLE).setSummaryText(message).bigPicture(bitmap); } } if (extras.containsKey(EXTRA_ICON)) { String iconUrl = extras.getString(EXTRA_ICON); Bitmap bitmap = loadBitmap(iconUrl); if (bitmap != null) { nb.setLargeIcon(bitmap); } } Notification notification = nb.build(); notificationManager.notify(notification.hashCode(), notification); } private Bitmap loadBitmap(String imageUrl) { Bitmap bitmap; try { URL url = new URL(imageUrl); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.connect(); InputStream input = connection.getInputStream(); bitmap = BitmapFactory.decodeStream(input); } catch (IOException e) { bitmap = null; } return bitmap; } private static boolean excludeKey(String s) { String[] excludes = new String[] { "from", "android_header", "android.support.content.wakelockid", "message" }; for (String option : excludes) { if (option.equals(s)) return true; } return false; } }