showDialog

[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 { var tfcontrol = TextEditingController(); @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: () { showDialog( context: context, builder: (BuildContext context) { return AlertDialog( title: Text("Başlık"), content: Text("içerik"), actions: [ TextButton( onPressed: () { Navigator.of(context).pop(); }, child: Text("Tamam")), TextButton( onPressed: () { Navigator.of(context).pop(); }, child: Text("Kapat")) ], ); }); }, child: Text("basit alert")), ElevatedButton( onPressed: () { showDialog( context: context, builder: (BuildContext context) { return AlertDialog( title: Text( "Özel Alert", style: TextStyle(color: Colors.white), ), backgroundColor: Colors.indigoAccent, content: SizedBox( height: 80, child: Column( children: [ TextField( controller: tfcontrol, decoration: InputDecoration( labelText: "Veri", ), ), ], ), ), actions: [ TextButton( onPressed: () { Navigator.of(context).pop(); }, child: Text("İptal", style: TextStyle( color: const Color.fromRGBO( 255, 255, 255, 1)))), TextButton( onPressed: () { String alinanVeri = tfcontrol.text; print("veri okundu : $alinanVeri");

                              Navigator.of(context).pop();
                            },
                            child: Text("Veri Oku",
                                style: TextStyle(color: Colors.white)))
                      ],
                    );
                  });
            },
            child: Text("özel alert"))
      ],
    ),
  ),
);

} }