toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'latitude': latitude,
'longitude': longitude,
if (accuracy != null) 'accuracy': accuracy,
if (altitude != null) 'altitude': altitude,
if (speed != null) 'speed': speed,
if (bearing != null) 'bearing': bearing,
if (provider != null) 'provider': provider,
};
}