Firebase message with high priority not waking device from Doze android 6+

Question

I have migrated my project from using GCM to use Firebase. Push notification comes through ok when the device is awake or been asleep recently but if I leave the device for

Answer 1

Instead of using "android":{"priority":"high"}, use like this

    {
      "time_to_live": 300000,
      "delay_while_idle": false,
      "data": {
               "message": "PING_DEVICE",
               "time": "21/01/2018 16:20:28",
               "pushguid": "10062"
               },
      "priority": "high"  
}