flutter show dialog after pressed

BuildContext dialogContext; // <<---- showDialog( context: context, // <<---- barrierDismissible: false, builder: (BuildContext context) { dialogContext = context; return Dialog( child: new Row( mainAxisSize: MainAxisSize.min, children: [ new CircularProgressIndicator(), new Text("Loading"), ], ), ); }, ); await _longOperation(); Navigator.pop(dialogContext); // <<----

flutter show dialog on start

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

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

  class MyApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
          title: 'Trial',
          home: Scaffold(
              appBar: AppBar(title: Text('List scroll')), body: new MyHome()));
    }
  }

  class MyHome extends StatelessWidget { // Wrapper Widget
    @override
    Widget build(BuildContext context) {
      Future.delayed(Duration.zero, () => showAlert(context));
      return Container(
        child: Text("Hello world"),
      );
    }

    void showAlert(BuildContext context) {
      showDialog(
          context: context,
          builder: (context) => AlertDialog(
                content: Text("hi"),
              ));
    }
  }

Posted by: Guest on December-23-2020

Source

Code answers related to "flutter show dialog after pressed"

Code answers related to "Dart"

Browse Popular Code Answers by Language

Answers for "flutter show dialog after pressed"

Code answers related to "flutter show dialog after pressed"

Code answers related to "Dart"

Browse Popular Code Answers by Language

Popular Programming Languages

Advertisements

Company

Compilers

Help

Connect with us