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.landa.backend; import android.app.IntentService; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.SystemClock; import android.support.v4.app.NotificationCompat; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; import com.google.android.gms.gcm.GoogleCloudMessaging; import com.landa.R; import com.landa.cook.CookActivity; import com.landa.waitStaff.WaitInfo; /** * 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 NotificationManager mNotificationManager; NotificationCompat.Builder builder; public GcmIntentService() { super("GcmIntentService"); } public static final String TAG = "GCM Demo"; @Override protected void onHandleIntent(Intent intent) { Bundle extras = intent.getExtras(); String usertype = intent.getStringExtra("user"); String action = intent.getStringExtra("action"); 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. //Log.i(TAG, "Message is" + usertype + action); for (int i = 0; i < 5; i++) { Log.i(TAG, "Working... " + (i + 1) + "/5 @ " + SystemClock.elapsedRealtime()); try { Thread.sleep(250); } catch (InterruptedException e) { } } Log.i(TAG, "Completed work @ " + SystemClock.elapsedRealtime()); // Post notification of received message. // TODO: add other users if (usertype.equals("cook")) { Log.i(TAG, "Sending to cook activity"); CookOrderToActivity(); } if (usertype.equals("waitstaff")) { if (action.equals("refill")) { String table = intent.getStringExtra("table"); RefillToActivity(table); sendNotification("Table " + table + " would like a refill.", table); } if (action.equals("help")) { String table = intent.getStringExtra("table"); HelpToActivity(table); sendNotification("Table " + table + " requests help.", table); } if (action.equals("refresh")) { RefreshWait(); } } if (usertype.equals("customer")) { if (action.equals("readytopay")) { readyToPay(); } if (action.equals("chat")) { String tableFrom = intent.getStringExtra("tableFrom"); String msg = intent.getStringExtra("msg"); chat(tableFrom, msg); } } Log.i(TAG, "Received: " + extras.toString()); } } // Release the wake lock provided by the WakefulBroadcastReceiver. GcmBroadcastReciever.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, String table) { mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE); Intent intent = new Intent(getApplicationContext(), WaitInfo.class); /*PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, WaitInfo.class), 0); */ intent.putExtra("tableNo", table); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_stat_gcm).setContentTitle("GCM Notification") .setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setContentText(msg); mBuilder.setContentIntent(contentIntent); mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } private void CookOrderToActivity() { Intent intent = new Intent("cookOrder"); sendLocationBroadcast(intent); } private void RefillToActivity(String table) { Intent intent = new Intent("waitstaff"); intent.putExtra("action", "refill"); intent.putExtra("table", table); sendLocationBroadcast(intent); } private void HelpToActivity(String table) { Intent intent = new Intent("waitstaff"); intent.putExtra("action", "help"); intent.putExtra("table", table); sendLocationBroadcast(intent); } private void RefreshWait() { Intent intent = new Intent("waitstaff"); intent.putExtra("action", "refresh"); sendLocationBroadcast(intent); } private void readyToPay() { Intent intent = new Intent("customerpay"); sendLocationBroadcast(intent); } private void chat(String tableFrom, String msg) { Intent intent = new Intent("chat"); intent.putExtra("tableFrom", tableFrom); intent.putExtra("msg", msg); sendLocationBroadcast(intent); } private void sendLocationBroadcast(Intent intent) { // intent.putExtra("currentSpeed", currentSpeed); // intent.putExtra("latitude", latitude); // intent.putExtra("longitude", longitude); LocalBroadcastManager.getInstance(this).sendBroadcast(intent); } }