不能将经度和纬度的值存储在我的Firebase中吗

I have my own map, after signing in the map will display and then gets my coordinates (lat,long). I have put this code in an Override method onLocationChange(Location location) so that every time the user walks or moves anywhere the lat and long will be updated. The problem is I can't store the values in my Firebase. I have my own map, after signing in the map wil