React_geoApp

geo-location

expo install

$ expo install expo-location

Codebase

  import React, { useState, useEffect } from 'react';
  import { Text, View } from 'react-native';
  import * as Location from 'expo-location';
  export default function App() {
    const [location, setLocation] = useState(null);
    const [errorMsg, setErrorMsg] = useState(null);
    useEffect(() => {
      (async () => {
        let { status } = await Location.requestPermissionsAsync();
        if (status !== 'granted') {
          setErrorMsg('Permission to access location was denied');
        }
        let location = await Location.getCurrentPositionAsync({});
        setLocation(location);
      })
      ();
    });
    let text = 'Waiting..';
    if (errorMsg) {
      text = errorMsg;
    } else if (location) {
      text = JSON.stringify(location);
    }
    return (
      <View>
        <Text>{text}</Text>
      </View>
    );
  }