class Bike extends Component {

    handleGetDirections = () => {
    const data = {
       source: {
        latitude: -33.8356372,
        longitude: 18.6947617
      },
      destination: {
        latitude: -33.8600024,
        longitude: 18.697459
      },
      params: [
        {
          key: "dirflg",
          value: "w"
        }
      ]
    }

    getDirections(data)
  }
    render() {
        const { coordinate, title } = this.props;

        return (
            <MapView.Marker coordinate={coordinate}>

                <MapView.Callout onPress={this.handleGetDirections}>
                    <View>
                        <Text>{ title }</Text>
                        <GmapsDirections/>

                        </View>
                </MapView.Callout>
            </MapView.Marker>
        )
    }
}