Java tutorial
/** * Copyright 2015 Google Inc. All Rights Reserved. * * 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.begentgroup.miniproject.gcm; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.media.RingtoneManager; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import android.support.v4.content.LocalBroadcastManager; import android.util.Log; import com.begentgroup.miniproject.ChatActivity; import com.begentgroup.miniproject.MainActivity; import com.begentgroup.miniproject.R; import com.begentgroup.miniproject.SplashActivity; import com.begentgroup.miniproject.Utils; import com.begentgroup.miniproject.data.ChatContract; import com.begentgroup.miniproject.data.ChatMessage; import com.begentgroup.miniproject.data.NetworkResult; import com.begentgroup.miniproject.manager.DBManager; import com.begentgroup.miniproject.manager.NetworkManager; import com.begentgroup.miniproject.request.MessageListRequest; import com.google.android.gms.gcm.GcmListenerService; import java.io.IOException; import java.text.ParseException; import java.util.Date; import java.util.List; public class MyGcmListenerService extends GcmListenerService { private static final String TAG = "MyGcmListenerService"; public static final String ACTION_CHAT = "com.begentgroup.miniproject.action.chatmessage"; public static final String EXTRA_CHAT_USER = "chatuser"; public static final String EXTRA_RESULT = "result"; LocalBroadcastManager mLBM; @Override public void onCreate() { super.onCreate(); mLBM = LocalBroadcastManager.getInstance(this); } @Override public void onMessageReceived(String from, Bundle data) { String message = data.getString("message"); Log.d(TAG, "From: " + from); Log.d(TAG, "Message: " + message); if (from.startsWith("/topics/")) { } else { long lastTime = DBManager.getInstance().getLastReceiveDate(); Date date = new Date(lastTime); MessageListRequest request = new MessageListRequest(this, date); try { NetworkResult<List<ChatMessage>> result = NetworkManager.getInstance().getNetworkDataSync(request); List<ChatMessage> list = result.getResult(); for (ChatMessage m : list) { try { DBManager.getInstance().addMessage(m.getSender(), ChatContract.ChatMessage.TYPE_RECEIVE, m.getMessage(), Utils.convertStringToTime(m.getDate())); Intent i = new Intent(ACTION_CHAT); i.putExtra(EXTRA_CHAT_USER, m.getSender()); mLBM.sendBroadcastSync(i); boolean processed = i.getBooleanExtra(EXTRA_RESULT, false); if (!processed) { sendNotification(m); } } catch (ParseException e) { e.printStackTrace(); } } } catch (IOException e) { e.printStackTrace(); } } // sendNotification(message); } private void sendNotification(ChatMessage m) { Intent intent = new Intent(this, SplashActivity.class); intent.putExtra(ChatActivity.EXTRA_USER, m.getSender()); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.mipmap.ic_launcher).setTicker("Chat Message") .setContentTitle(m.getSender().getUserName()).setContentText(m.getMessage()).setAutoCancel(true) .setDefaults(NotificationCompat.DEFAULT_ALL).setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } private void sendNotification(String message) { Intent intent = new Intent(this, MainActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, intent, PendingIntent.FLAG_ONE_SHOT); Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.mipmap.ic_launcher).setTicker("GCM Message").setContentTitle("GCM Message") .setContentText(message).setAutoCancel(true).setSound(defaultSoundUri) .setContentIntent(pendingIntent); NotificationManager notificationManager = (NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE); notificationManager.notify(0 /* ID of notification */, notificationBuilder.build()); } }