07-May-2022
.
Admin
Hi friends,
In this tutorial, I will show you How to Snackba Demo with Delete in Flutter?. This tutorial will give you simple example of Flutter: Remove all SnackBars. we will help you to give example of dismiss previous snackbar flutter Code Example.
you can see flutter button in snackbar Code Example. Display a snackbar.
I will give you simple Example of how to add textfield in alert dialog in flutter.
So let's see bellow example:
Step 1 : Create Flutter Project
Follow along with the setup, you will be creating an Flutter app.
$flutter create flutter_snack_bar_example
Navigate to the project directory:
$cd flutter_snack_bar_example
Step 2 : Main File
Create a main.dart file in the lib directory
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State
{ var lists = List
.generate(10, (index) => "List No : $index"); @override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Flutter Snack Bar Demo With Delete'),
),
body: ListView.builder(
itemCount: lists.length,
itemBuilder: (context, index) {
return ListTile(
title: Text(lists[index]),
trailing: Container(
width: 60,
child: FlatButton(
child: Icon(
Icons.delete,
color: Colors.grey,
),
onPressed: () {
showSnackBar(context, index);
},
),
),
);
},
),
);
}
void showSnackBar(BuildContext context, int index) {
var deletedRecord = lists[index];
setState (() {
lists.removeAt(index);
});
SnackBar snackBar = SnackBar(
content: Text('Deleted $deletedRecord'),
action: SnackBarAction(
label: "UNDO",
onPressed: () {
setState (() {
lists.insert(index, deletedRecord);
});
},
),
);
Scaffold.of(context).showSnackBar(snackBar);
}
}
Step 3 : Run this Debug App
Output
I hope it will help you....
#Flutter