<service
    android:name="com.yourapp.YourPushService"
    android:stopWithTask="false" />

{
    "to": "/topics/your_topic_here",
   "data": {
       "text":"text",
       "text1":"text1",
       ...
   }
}

<meta-data
        android:name="com.google.firebase.messaging.default_notification_icon"
        android:resource="@mipmap/ic_launcher" />

<meta-data android:name="com.google.firebase.messaging.default_notification_color"
        android:resource="@color/colorPrimary" />

"data" {
  "title": "welcome",
  "description" :"to your app" ,
  "image" :"image_url",
  "deeplink" :"deeplink",
   - -
  }

"notification" {
   "title":"title",
   "description" : "description",
   "click_action" :"activity to be open"
   ..
}

W/GCM-DMM: broadcast intent callback: result=CANCELLED forIntent { act=com.google.android.c2dm.intent.RECEIVE pkg=com.cabipool (has extras) }