getStringDistanceByProviderId function
Implementation
String getStringDistanceByProviderId(String _providerId){
var d = getDistanceByProviderId(_providerId);
if (d != double.infinity){
if (d > 10)
return d.toStringAsFixed(0) + distanceUnit;
else
return d.toStringAsFixed(3) + distanceUnit;
}
return "";
}