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how to change scaffold body on button click in flutter

Andrea Tirenti answered on February 21, 2023 Popularity 1/10 Helpfulness 1/10

answer how to change scaffold body on button click in flutter

how to change scaffold body on button click in flutter

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import 'package:curved_navigation_bar/curved_navigation_bar.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _page = 0;
  GlobalKey _bottomNavigationKey = GlobalKey();

  Widget bodyFunction() {
    switch (_page) {
      case 0:
        return Container(color: Colors.red);
        break;
      case 1:
        return Container(color: Colors.blue);
        break;
      case 2:
        return Container(color: Colors.orange);
        break;
      default:
        return Container(color: Colors.white);
        break;
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: bodyFunction(),
      bottomNavigationBar: CurvedNavigationBar(
        key: _bottomNavigationKey,
        index: 0,
        height: 75.0,
        items: <Widget>[
          Icon(Icons.list, size: 30),
          Icon(Icons.people, size: 30),
          Icon(Icons.launch, size: 30),
        ],
        color: Colors.white,
        buttonBackgroundColor: Colors.white,
        backgroundColor: Colors.blueAccent,
        animationCurve: Curves.easeInOut,
        animationDuration: Duration(milliseconds: 300),
        onTap: (index) {
          setState(() {
            _page = index;
          });
        },
      ),
    );
  }
}

colui che ha scritto questo codice è mio padre assoluto

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: button click flutter scaffold whatever

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Contributed on Feb 21 2023

Andrea Tirenti

0 Answers Avg Quality 2/10

how to change scaffold body on button click in flutter

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