flutter second sample

gistfile1.txt

import 'package:flutter/material.dart';

main() {
  runApp(MaterialApp(
    debugShowCheckedModeBanner: false,
    home: Home(),
  ));
}

class Home extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    // TODO: implement createState
    return new _HomeState();
  }
}

class _HomeState extends State<Home> {
  String name = '';
  bool value1 = true;
  bool value2 = false;
  bool value3 = true;
  bool value4 = false;
  bool value5 = true;
  void onChangeValue1(bool value) {
    setState(() {
      value1 = value;
    });
  }

  int al = 0;
  void conut() {
    setState(() {
      al = al + 1;
    });
  }

  void onChangeValue2(bool value) {
    setState(() {
      value2 = value;
    });
  }

  void onChangeValue3(bool value) {
    setState(() {
      value3 = value;
    });
  }

  void onChangeValue4(bool value) {
    setState(() {
      value4 = value;
    });
  }

  void onChangeValue5(bool value) {
    setState(() {
      value5 = value;
    });
  }

  onChangeValue(String value) {
    setState(() {
      name = "on change $value";
    });
  }

  onsubmitValue(String value) {
    setState(() {
      name = "on submit $value";
    });
  }

  int a = 0;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('textandstateful_app'),
        centerTitle: true,
      ),
      body: Container(
        padding: EdgeInsets.all(22.6),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            TextField(
              autocorrect: true,
              autofocus: true,
              keyboardType: TextInputType.text,
              decoration: InputDecoration(
                  icon: Icon(
                    Icons.perm_identity,
                    size: 80,
                  ),
                  hintText: 'hi',
                  labelText: 'welcome'),
              onChanged: onChangeValue,
              onSubmitted: onsubmitValue,
            ),
            Text(
              "$name ",
              style: TextStyle(fontSize: 20),
            ),
            Checkbox(
              value: value1,
              onChanged: onChangeValue1,
            ),
            Checkbox(value: value2, onChanged: onChangeValue2),
            CheckboxListTile(
              value: value3,
              onChanged: onChangeValue3,
              title: Text('how are you'),
              activeColor: Colors.deepPurpleAccent,
              subtitle: Text('hi sub title how are you'),
              secondary: Icon(Icons.airline_seat_individual_suite),
            ),
            Switch(
              value: value4,
              onChanged: onChangeValue4,
              activeTrackColor: Colors.black,
            ),
            SwitchListTile(
              value: value5,
              onChanged: onChangeValue5,
              title: Text('hi switch'),
              secondary: Icon(Icons.score),
              subtitle: Text('hi sub switch'),
              activeColor: Colors.greenAccent,
            ),
            Text('$al yaaaaa  hpepy'),
          ],
        ),
      ),
      drawer: Drawer(
        child: Column(
          children: <Widget>[
            Container(
              color: Colors.greenAccent,
              padding: EdgeInsets.all(30),
              margin: EdgeInsets.only(top: 300),
              child: TextField(
                decoration: InputDecoration(
                    icon: Icon(Icons.airplanemode_active),
                    labelText: 'welcome'),
              ),
            ),
            IconButton(
              icon: Icon(Icons.score),
              onPressed: () => debugPrint("welcome back"),
              color: Colors.deepPurpleAccent,
            ),
            FlatButton(
              onPressed: conut,
              child: Text('counter $al'),
              color: Colors.amberAccent,
              shape: CircleBorder(side: BorderSide(color: Colors.pink)),
            ),
            FlatButton(
              onPressed: () => Navigator.pop(context),
              child: Icon(Icons.close,
                  color: Colors.redAccent, textDirection: TextDirection.ltr),
            ),
            RaisedButton(
              onPressed: () => print('welcome'),
              child: Icon(Icons.add_shopping_cart),
              textTheme: ButtonTextTheme.accent,
            ),
            RaisedButton(
              padding: EdgeInsets.all(100),
              onPressed: conut,
              child: Icon(Icons.add_shopping_cart),
              textTheme: ButtonTextTheme.accent,
            ),
            Text('$al yaaaaa  hpepy'),

          ],
        ),
      ),
    floatingActionButton: FloatingActionButton(onPressed:conut ,child: Icon(Icons.access_time),),

      
      
    );
  }
}