SnackBar

[berkeresvan]

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget { const MyApp({super.key});

@override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple), useMaterial3: true, ), home: const MyHomePage(title: 'Flutter Demo Home Page'), ); } }

class MyHomePage extends StatefulWidget { const MyHomePage({super.key, required this.title});

final String title;

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

class _MyHomePageState extends State { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Theme.of(context).colorScheme.inversePrimary, title: Text(widget.title), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ ElevatedButton( onPressed: () { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text("Merhaba"), ), ); }, child: Text("varsayılan")), ElevatedButton( onPressed: () { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text("Silmek istiyor musunuz"), action: SnackBarAction( label: "EVET", onPressed: () { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text("silindi"), ), ); }, ), ), ); }, child: Text("snackbar action")), ElevatedButton( onPressed: () { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text( "İnternet baglantısı yok !", style: TextStyle(color: Colors.indigoAccent), ), backgroundColor: Colors.white, duration: Duration(seconds: 5), action: SnackBarAction( label: "Tekrar dene", textColor: Colors.red, onPressed: () {}, ), ), ); }, child: Text("özel")) ], ), ), ); } }