localizadorjavascript

Prévia do material em texto

import React, {useEffect, useState} from "react";
import { StyleSheet, Text, View } from "react-native";
import MapView from "react-native-maps";
export default function App() {
 let [regiao, setRegiao] = useState({
 latitude:-234422149,
 longitude:-46.9235461,
 latitudeDelta: 0.014 ,
 longitudeDelta: 0.014
 } 
 );
 useEffect(() => {
 alert("Seja muito bem Vindo")
 },[]
 );
 
 return (
 <View style={StyleSheet.container}>
 <MapView style={{width:'100%', height:'100%'}} initialRegion={regiao}>
 </MapView>
 </View>
 );
}
const styles = StyleSheet.create({
 container: {
 flex: 1,
 },
});