- android.permission.WAKE_LOCK
- android.permission.INTERNET
- android.permission.ACCESS_NETWORK_STATE
- android.permission.ACCESS_WIFI_STATE
- android.permission.CHANGE_WIFI_STATE
- android.permission.ACCESS_COARSE_LOCATION
9/7/2019
1. fix bug for android 9.0
2. no longer support android version below 5.0