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how to override the back button in flutter? [duplicate]

Nasty Newt answered on July 30, 2021 Popularity 6/10 Helpfulness 1/10

answer how to override the back button in flutter? [duplicate]

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how to override the back button in flutter? [duplicate]

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how to override the  back  button in flutter?

Popularity 6/10 Helpfulness 1/10 Language whatever

Source: flutterq.com

Tags: back-button whatever

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Contributed on Jul 30 2021

Nasty Newt

0 Answers Avg Quality 2/10

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import 'dart:async';

import 'package:flutter/material.dart';

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

  final String title;

  @override
  State<StatefulWidget> createState() => new _HomePageState();
}

class _HomePageState extends State<HomePage> {

  Future<bool> _onWillPop() async {
    return (await showDialog(
      context: context,
      builder: (context) => new AlertDialog(
        title: new Text('Are you sure?'),
        content: new Text('Do you want to exit an App'),
        actions: <Widget>[
          TextButton(
            onPressed: () => Navigator.of(context).pop(false),
            child: new Text('No'),
          ),
          TextButton(
            onPressed: () => Navigator.of(context).pop(true),
            child: new Text('Yes'),
          ),
        ],
      ),
    )) ?? false;
  }

  @override
  Widget build(BuildContext context) {
    return new WillPopScope(
      onWillPop: _onWillPop,
      child: new Scaffold(
        appBar: new AppBar(
          title: new Text("Home Page"),
        ),
        body: new Center(
          child: new Text("Home Page"),
        ),
      ),
    );
  }
}

Popularity 9/10 Helpfulness 4/10 Language whatever

Source: stackoverflow.com

Tags: back-button whatever flutter

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Contributed on Jul 22 2022

mathiasgodwin

0 Answers Avg Quality 2/10

how to override the back button in flutter? [duplicate]

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