Create a Map with Google Map Api using React-Native
source link: https://www.geeksforgeeks.org/create-a-map-with-google-map-api-using-react-native/
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In this project, we’ll explore how to integrate Google Maps into a React Native application. We’ll create a dynamic map that allows users to view their current location and interact with markers on the map. This project aims to provide a practical guide for developers looking to incorporate maps into their mobile applications using React Native.
Output Preview: Let us have a look at how the final output will look like
Prerequisites / Technologies used:
- Node JS and NPM
- React Native
- JavaScript
- A Google Cloud Platform account to obtain an API key for Google Maps.
Approach to create Map Application:
- Our approach involves using the react-native-maps library, which provides components for integrating Google Maps into React Native applications. Key functionalities of our map include:
- Displaying the user’s current location on the map.
- Adding custom markers to specific locations on the map.
- Dynamically updating the map based on user interactions.
Project Structure:
package.json:
"dependencies": {
"react-native-maps": "1.10.0",
"@expo/vector-icons": "^14.0.0",
"react-native-paper": "4.9.2"
}
Steps to Create the React-Native App:
Step 1. Set up a new React Native project:
Use Expo CLI or React Native CLI to create a new project. For Expo CLI, you can use the following command:
expo init MyMapProject
For React Native CLI, you can use:
npx react-native init MyMapProject
Step 2. Navigate to the project directory:
Once the project is created, navigate to the project directory in your terminal:
cd MyMapProject
Step 3. Install the required dependencies:
Install the necessary dependencies for integrating Google Maps into your React Native project:
npm install react-native-maps @react-native-community/geolocation
Step 4. Write the HomeScreen component:
Create another component file, HomeScreen.js, where you’ll use the Map component and define the initial region for the map.
Javascript
import React from 'react';
import { SafeAreaView } from 'react-native';
import Map from './Map';
const HomeScreen = () => {
const initialRegion = {
latitude: 37.78825, // Initial latitude
longitude: -122.4324, // Initial longitude
latitudeDelta: 0.0922,
longitudeDelta: 0.0421,
};
return (
<SafeAreaView style={{ flex: 1 }}>
<Map initialRegion={initialRegion} />
</SafeAreaView>
);
};
export default HomeScreen;
JavaScriptJavaScript
Step 5. Run the application:
Ensure that you have either an Android emulator or iOS simulator set up on your machine. Then, run the following command to start the application:
npx react-native run-android
or
npx react-native run-ios
Output:
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