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miouprincess · 8 years ago

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flutteragency · 3 years ago

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How to Apply Theme on MaterialButton or RaisedButton In Flutter?

RaisedButton Widget is a normal button but implemented with material link spread effect upon clicking. In this article, we will go through how to apply Theme on MaterialButton or RaisedButton In Flutter?

How to Apply Theme on MaterialButton or RaisedButton In Flutter?

One way to do it is to define ButtonTheme in theme in MaterialApp.

void main() { runApp(MaterialApp( home: Home(), theme: ThemeData( accentColor: Colors.redAccent, buttonTheme: ButtonThemeData( buttonColor: Colors.blueAccent, shape: RoundedRectangleBorder(), textTheme: ButtonTextTheme.accent, .... )), )); } class Home extends StatelessWidget { Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text("Button Theme"), backgroundColor: Colors.green), body: Center( child: RaisedButton( //Button Color is as define in theme onPressed: () {}, child: Text("Send"), //Text Color as define in theme )), ); } }

with this, all the buttons defined under this MaterialApp will carry this Theme Style.

Text Color will be the accentColor define in the ThemeData as i have defined textTheme: ButtonTextTheme.accent so it will Pick accentColor

Button picking Theme style as defined in the theme.

class MyButton extends StatelessWidget { final String text; final Color textColor; final Color buttonColor; final Function() onPressed; MyButton({ @required this.text, this.buttonColor = const Color(0xFF000000) /** Default buttonColor */, @required this.onPressed, this.textColor = const Color(0xFFDDDDDD) /** Default textColor */, }); @override Widget build(BuildContext context) { return MaterialButton( color: buttonColor, onPressed: onPressed, child: Text(text, style: TextStyle( color: textColor, fontSize: 20.0, )), ); } }

Try a code snippet like the below:

void main() { runApp( MaterialApp( home: const Home(), theme: ThemeData.from( colorScheme: const ColorScheme.light(), ).copyWith( textButtonTheme: TextButtonThemeData( style: TextButton.styleFrom( primary: Colors.orange, ), ), elevatedButtonTheme: ElevatedButtonThemeData( style: ElevatedButton.styleFrom( onPrimary: Colors.yellow, primary: Colors.blue, ), ), outlinedButtonTheme: OutlinedButtonThemeData( style: OutlinedButton.styleFrom( primary: Colors.purple, backgroundColor: Colors.green, ), ), ), ), ); } class Home extends StatelessWidget { const Home({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: const Text("Button Theme Example"), ), body: Center( child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ TextButton( onPressed: () { Fluttertoast.showToast(msg: "TextButton Pressed"); }, child: const Text('TextButton'), ), ElevatedButton( onPressed: () { Fluttertoast.showToast(msg: "ElevatedButton Pressed"); }, child: const Text('ElevatedButton'), ), OutlinedButton( onPressed: () { Fluttertoast.showToast(msg: "OutlinedButton Pressed"); }, child: const Text('OutlinedButton'), ), ], ), ), ); } }

Output

Conclusion:

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