What's around me?

The MapView component from react-native-maps is the main tool you'll use to render maps in your React Native applications.

Let's implement a basic MapView component to see what you get out of the box:

import React from "react";
import { View } from "react-native";
import MapView from "react-native-maps";
import styles from "./styles";

export default () => (
  <View style={styles.container}>
    <MapView style={styles.mapView} showsUserLocation followUserLocation />
  </View>
);

The two Boolean properties that you've passed to MapView do a lot of work for you. The showsUserLocation property will activate the marker on the map, which denotes the physical location of the device running this application. The followUserLocation property tells the map to update the location marker as the device moves around. Let's see the resulting map:

The current location of the device is clearly marked on the...