Created
March 18, 2020 12:23
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How to reuse a method used in another Widget
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import 'package:flutter/material.dart'; | |
void main() => runApp(MyApp()); | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
title: 'Flutter Demo', | |
debugShowCheckedModeBanner: false, | |
theme: ThemeData( | |
primarySwatch: Colors.blue, | |
), | |
home: MyHomePage(), | |
); | |
} | |
} | |
class MyHomePage extends StatelessWidget { | |
static void printMessage(BuildContext context,String message) { | |
print(message + " from $context"); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text('Static Example'), | |
), | |
body: Center( | |
child: Column( | |
mainAxisAlignment: MainAxisAlignment.center, | |
children: <Widget>[ | |
Text( | |
'Press FAB to show snack bar', | |
), | |
RaisedButton( | |
child: Text('Go to OtherWidget'), | |
onPressed: () { | |
Navigator.of(context).push( | |
MaterialPageRoute(builder: (context)=>AnotherWidget()) | |
); | |
} | |
) | |
], | |
), | |
), | |
floatingActionButton: FloatingActionButton( | |
onPressed: () => printMessage(context,'Hello'), | |
tooltip: 'Show Snack Bar', | |
child: Icon(Icons.add), | |
), | |
); | |
} | |
} | |
class AnotherWidget extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text('App Bar'), | |
), | |
body: Center( | |
child: RaisedButton( | |
onPressed: () { | |
MyHomePage.printMessage(context,'Another Hello'); | |
}, | |
child: Text('PRESS ME') | |
), | |
), | |
); | |
} | |
} | |
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