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flutter Scaffold.of() called with a context that does not contain a Scaffold

Solo developer answered on September 5, 2021 Popularity 9/10 Helpfulness 3/10

answer flutter Scaffold.of() called with a context that does not contain a Scaffold

related Scaffold.of() called with a context that does not contain a Scaffold.

flutter Scaffold.of() called with a context that does not contain a Scaffold

Comment

This exception happens because you are using the context of the widget that
instantiated Scaffold.
Not the context of a child of Scaffold.
You can solve this by just using a different context :

Scaffold(
    appBar: AppBar(
        title: Text('SnackBar Playground'),
    ),
    body: Builder(
        builder: (context) => 
            Center(
            child: RaisedButton(
            color: Colors.pink,
            textColor: Colors.white,
            onPressed: () => _displaySnackBar(context),
            child: Text('Display SnackBar'),
            ),
        ),
    ),
);

Popularity 9/10 Helpfulness 3/10 Language dart

Source: stackoverflow.com

Tags: contain dart scaffold

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Contributed on Sep 05 2021

Solo developer

0 Answers Avg Quality 2/10

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Scaffold.of() called with a context that does not contain a Scaffold.

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import 'package:flutter/material.dart';

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('My App'),
        ),
        body: Builder(
          builder: (context) {
            return RaisedButton(
              child: Text('Show Snackbar'),
              onPressed: () {
                Scaffold.of(context).showSnackBar(
                  SnackBar(content: Text('Hello!')),
                );
              },
            );
          },
        ),
      ),
    );
  }
}

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

Popularity 8/10 Helpfulness 1/10 Language dart

Source: Grepper

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

flutter Scaffold.of() called with a context that does not contain a Scaffold

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