text: import React, { Component } from 'react'
  import { StyleSheet } from 'react-native'
  import { MapView } from 'react-native-bmpsdk'
  
  const points = [
    {
      latitude: 39.806901,
      longitude: 116.397972,
    },
    {
      latitude: 39.806901,
      longitude: 116.297972,
    },
    {
      latitude: 39.906901,
      longitude: 116.397972,
    },
  ]
  
  export default class Polygon extends Component {
    static navigationOptions = { title: 'Polygon' }
  
    render() {
      return (
        <MapView style={StyleSheet.absoluteFill}>
          <MapView.Polygon
            points={points}
            strokeWidth={2}
            strokeColor="rgba(0, 0, 255, 0.5)"
            fillColor="rgba(255, 0, 0, 0.5)"
          />
        </MapView>
      )
    }
  }
  