Android Basic App Code
import ‘package:flutter/material.dart’;
void main()
{
runApp ( MyApp() );
}
class MyApp extends StatelessWidget
{
@override
Widget build(BuildContext context)
{ return Container(); }
}
—————————-Stateless Project——————————————-
import ‘package:flutter/material.dart’;
void main()
{
runApp ( MyApp() );
}
class MyApp extends StatelessWidget
{
@override
Widget build(BuildContext context)
{
return MaterialApp (
home: Text(“Venkat First Stateless App”);
);
}
}
—————————-Stateful Project——————————————-
import ‘package:flutter/material.dart’;
void main()
{
runApp(MyApp());
}
class MyApp extends StatefulWidget
{
@override
_State createState() => _State();
}
class _State extends State<MyApp> {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Column(
children: <Widget>[
Text(“Venkats First Stateful Project”),
FloatingActionButton ( child: Icon(Icons.access_time ),
)
],
),
);
}
}
—————————-Stateful Project with Events—————————————
import ‘package:flutter/material.dart’;
void main() { runApp(MyApp()); }
class MyApp extends StatefulWidget {
@override
_State createState() => _State();
}
class _State extends State<MyApp> {
String value=”Venkat first Pjt”;
void clickMe()
{
setState(() { value=”Venkat clicked val”; });
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Column(
children: <Widget>[
Text (“$value”),
FloatingActionButton ( child: Icon(Icons.access_time ),
onPressed: clickMe,
)
],
),
);
}
}
—————————-Stateful Project with Counter————————————-
import ‘package:flutter/material.dart’;
void main() { runApp(MyApp()); }
class MyApp extends StatefulWidget {
@override
_State createState() => _State();
}
class _State extends State<MyApp> {
int counter=0;
void clickMe()
{
setState(() { counter++; });
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Column(
children: <Widget>[
Text (“$counter”),
FloatingActionButton ( child: Icon(Icons.access_time ),
onPressed: clickMe,
)
],
),
);
}
}
——————————————————–
