Fixed - Remove Create Incident notification when on chat screen.

app/src/main/java/com/vsoft/servicenow/service/NotificationMessagingService.java

 package com.vsoft.servicenow.service;
 
+import android.app.NotificationChannel;
 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.Build;
 import android.support.v4.app.NotificationCompat;
 import android.support.v4.content.LocalBroadcastManager;
 
@@ -37,6 +39,8 @@ public class NotificationMessagingService extends FirebaseMessagingService {
 	private static final String FCM_KEY_SHORT_DESCRIPTION = "short_description";
 	private static final String FCM_KEY_CREATED_BY = "created_by";
 
+	private static final String CHANNEL_ID = "sn_channel";
+
 	/**
 	 * This is default constructor of NotificationMessagingService.
 	 */
@@ -94,10 +98,19 @@ public class NotificationMessagingService extends FirebaseMessagingService {
 				.setContentText(notification.getShortDescription())
 				.setAutoCancel(true)
 				.setContentIntent(pendingIntent)
+				.setChannelId(CHANNEL_ID)
 				.setSound(defaultSoundUri);
 
 		NotificationManager notificationManager =
 				(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+			CharSequence name = getString(R.string.app_name);// The user-visible name of the channel.
+			int importance = NotificationManager.IMPORTANCE_DEFAULT;
+			NotificationChannel mChannel = new NotificationChannel(CHANNEL_ID, name, importance);
+
+			notificationManager.createNotificationChannel(mChannel);
+		}
+
 
 		notificationManager.notify(1, notificationBuilder.build());
 	}

app/src/main/java/com/vsoft/servicenow/ui/ChatActivity.java

 package com.vsoft.servicenow.ui;
 
+import android.app.NotificationManager;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.speech.tts.TextToSpeech;
 import android.speech.tts.UtteranceProgressListener;
+import android.support.v4.content.LocalBroadcastManager;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.Toolbar;
 import android.text.TextUtils;
+import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MenuItem;
 import android.view.MotionEvent;
@@ -50,7 +59,7 @@ import java.util.List;
 /**
  * A chat Activity containing messages view and input form.
  */
-public class ChatActivity extends HandleNotificationActivity implements OnDSListener, OnDSPermissionsListener {
+public class ChatActivity extends AppCompatActivity implements OnDSListener, OnDSPermissionsListener {
 
     private static final String TAG = "ChatActivity";
 
@@ -99,6 +108,27 @@ public class ChatActivity extends HandleNotificationActivity implements OnDSList
     }
 
     @Override
+    public void onResume() {
+        super.onResume();
+        LocalBroadcastManager.getInstance(this)
+                .registerReceiver(mMessageReceiver,
+                        new IntentFilter(Constants.BROADCAST_NOTIFICATION));
+    }
+
+    private final BroadcastReceiver mMessageReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            CatalogueLog.e("Notification Receive");
+            final NotificationManager notificationManager =
+                    (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+
+            //Play notification sound because Above we already cancel notifications.
+            // That's why we need to play explicitly
+            Util.playNotificationSound(ChatActivity.this);
+        }
+    };
+
+    @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
@@ -516,7 +546,8 @@ public class ChatActivity extends HandleNotificationActivity implements OnDSList
 
     @Override
     public void onPause() {
-        super.onPause();
+        LocalBroadcastManager.getInstance(this)
+                .unregisterReceiver(mMessageReceiver);
         if(speaker!=null && speaker.isSpeaking()) {
             speaker.stop();
         }
@@ -524,6 +555,7 @@ public class ChatActivity extends HandleNotificationActivity implements OnDSList
             droidSpeech.closeDroidSpeechOperations();
         }
         CURRENT_STATE = NONE;
+        super.onPause();
     }
 
     @Override