main.dart
import 'package:flutter/material.dart';
void main() => runApp(const FlutterExample());
class FlutterExample extends StatelessWidget {
const FlutterExample({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Example',
theme: ThemeData(primarySwatch: Colors.cyan),
home: const StateExample()
);
}
}
class StateExample extends StatefulWidget {
const StateExample({Key? key}) : super(key: key);
@override
_StateExampleState createState() => _StateExampleState();
}
class _StateExampleState extends State<StateExample>{
int counter = 0;
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFFFEFEFA),
appBar: AppBar(
title: const Text("Flutter - Ink and InkWell")
),
body: bodyContent(),
);
}
bodyContent() {
return Center(
child: Material(
type: MaterialType.transparency,
color: Colors.amber,
child: Ink(
width: 250,
height: 250,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: Colors.black87,
width: 5,
style: BorderStyle.solid
),
color: Colors.red
),
child: InkWell(
borderRadius: BorderRadius.circular(1000),
onTap: (){
// do something here
setState(() {
counter++;
});
},
child: Center(
child: Text(
"$counter",
style: const TextStyle(
fontSize: 60,
fontWeight: FontWeight.bold,
color: Colors.white70
),
),
),
),
)
),
);
}
}
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Flutter Tutorials 