refreshindicator in flutter

YOU.com answered on September 11, 2023 Popularity 9/10 Helpfulness 4/10

answer refreshindicator in flutter

refreshindicator in flutter

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import 'package:flutter/material.dart';

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List<String> dataList = ['Item 1', 'Item 2', 'Item 3'];

  Future<void> _refreshData() async {
    // Simulating an asynchronous data fetching operation
    await Future.delayed(Duration(seconds: 2));
    
    // Fetch new data or update existing data
    dataList.add('New Item');
    
    // Calling setState() to rebuild the UI
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Pull-to-Refresh Example'),
      ),
      body: RefreshIndicator(
        onRefresh: _refreshData, // Pass the refresh function
        child: ListView.builder(
          itemCount: dataList.length,
          itemBuilder: (context, index) {
            return ListTile(title: Text(dataList[index]));
          },
        ),
      ),
    );
  }
}

void main() {
  runApp(MaterialApp(
    home: MyHomePage(),
  ));
}

Popularity 9/10 Helpfulness 4/10 Language dart

Source: Grepper

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Contributed on Sep 11 2023

YOU.com

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refreshindicator in flutter

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