Flutter Fetching Data From the Internet

In Flutter, fetching data from the internet is commonly accomplished using the http package and RESTful API endpoints.

Here's an example of how to fetch data from the internet in Flutter

Import the http package in your Dart file

​import 'package:http/http.dart' as http;
Define a function to make the GET request to fetch the data from the server
​Future<String> fetchDataFromServer() async {
  final url = Uri.parse('https://your-api-endpoint.com/data');
  final response = await http.get(url);
  if (response.statusCode == 200) {
    return response.body;
  } else {
    throw Exception('Failed to fetch data from server');
  }
}
In this example, we are making a GET request to an API endpoint that returns a string of data. We are checking the response status code to make sure the request was successful, and returning the response body if it was.

Call the fetchDataFromServer() function when the app loads to fetch the data

​void initState() {
  super.initState();
  fetchDataFromServer().then((data) {
    // handle the fetched data
  }).catchError((error) {
    // handle the error
  });
}
In this example, we are fetching the data from the server when the app loads and handling the data in the then block. We are also handling any errors that occur during the fetch in the catchError block.

Run your app and test the data fetch

​flutter run
This is just a basic example of how to fetch data from the internet in Flutter. You can customize the function to fit your app's specific needs, such as handling different types of data or using different API endpoints.