title: icon of a push notification GCM
body: <p>I receive pushs notifications from my server correctly, but the showen icon in the bar is different from the icon's application, I don't know where this comming.</p>
  
  <p>this is my code :</p>
  
  <pre><code> private void sendNotification(String msg, String page_id) {
          mNotificationManager = (NotificationManager)
                  this.getSystemService(Context.NOTIFICATION_SERVICE);
  
  
          Intent intent = new Intent(this, SplashActivity.class);
          Bundle bundle = new Bundle();
          bundle.putString("page_id", page_id);
          intent.putExtras(bundle);
          intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
          intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK );        PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
                  intent , PendingIntent.FLAG_UPDATE_CURRENT);
          NotificationCompat.Builder mBuilder =
                  new NotificationCompat.Builder(this).setAutoCancel(false)
          .setSmallIcon(R.drawable.ic_launcher)
          .setContentTitle(getResources().getString(R.string.app_name))
          .setStyle(new NotificationCompat.BigTextStyle()
          .bigText(msg))
          .setContentText(msg);
          mBuilder.setContentIntent(contentIntent);
          mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
      }
  </code></pre>
  
  <p>the application's icon in :</p>
  
  <ul>
  <li>res/drawable-hdpi  size : 72x72</li>
  <li>res/drawable-ldpi  size : 72x72</li>
  <li>res/drawable-mdpi  size : 48x48</li>
  <li>res/drawable-xhdpi size :96x6</li>
  <li>res/drawable-xxhdpi  size 144x144</li>
  </ul>