title: Indoor floor maps in react native
body: <p>I want in implement floor map navigation in my application. Please , suggest any available Library or ways to implement it. </p>
  
  <p>Tried following, but does not allow to add customize map/floor etc.</p>
  
  <pre><code>&lt;MapView
          style={styles.mapViewStyle}
          initialRegion={{
            latitude: 37.78825,
            longitude: -122.4324,
            latitudeDelta: 0.0922,
            longitudeDelta: 0.0421,
          }}&gt;
          &lt;MapView.Marker draggable
              // calloutOffset={MapView.Marker.Point{x:0, y:30}}
              pinColor='steelblue'
              coordinate={{latitude: 37.78825,longitude: -122.4324,}}
              title='San Francisco'
              description='City by the Bay'
              onDragEnd={(e) =&gt; this.setState({ x: e.nativeEvent.coordinate })}
            /&gt;
      &lt;/MapView&gt;
  </code></pre>