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This extracts the sample code out from the API doc comments, and places them in separate files on disk, allowing running of the examples locally, testing them, and building of slightly larger examples.
110 lines
3.6 KiB
Dart
110 lines
3.6 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Template: dev/snippets/config/templates/stateless_widget_scaffold.tmpl
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//
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// Comment lines marked with "▼▼▼" and "▲▲▲" are used for authoring
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// of samples, and may be ignored if you are just exploring the sample.
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// Flutter code sample for TextButton
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//
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//***************************************************************************
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//* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker)
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// This sample shows how to render a disabled TextButton, an enabled TextButton
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// and lastly a TextButton with gradient background.
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//* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker)
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//***************************************************************************
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import 'package:flutter/material.dart';
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void main() => runApp(const MyApp());
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/// This is the main application widget.
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class MyApp extends StatelessWidget {
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const MyApp({Key? key}) : super(key: key);
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static const String _title = 'Flutter Code Sample';
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: _title,
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home: Scaffold(
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appBar: AppBar(title: const Text(_title)),
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body: const MyStatelessWidget(),
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),
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);
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}
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}
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/// This is the stateless widget that the main application instantiates.
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class MyStatelessWidget extends StatelessWidget {
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const MyStatelessWidget({Key? key}) : super(key: key);
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@override
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//********************************************************************
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//* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker)
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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TextButton(
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style: TextButton.styleFrom(
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textStyle: const TextStyle(fontSize: 20),
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),
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onPressed: null,
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child: const Text('Disabled'),
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),
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const SizedBox(height: 30),
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TextButton(
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style: TextButton.styleFrom(
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textStyle: const TextStyle(fontSize: 20),
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),
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onPressed: () {},
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child: const Text('Enabled'),
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),
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const SizedBox(height: 30),
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ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: Stack(
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children: <Widget>[
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Positioned.fill(
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child: Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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colors: <Color>[
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Color(0xFF0D47A1),
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Color(0xFF1976D2),
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Color(0xFF42A5F5),
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],
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),
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),
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),
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),
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TextButton(
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style: TextButton.styleFrom(
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padding: const EdgeInsets.all(16.0),
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primary: Colors.white,
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textStyle: const TextStyle(fontSize: 20),
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),
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onPressed: () {},
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child: const Text('Gradient'),
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),
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],
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),
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),
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],
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),
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);
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}
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//* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker)
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//********************************************************************
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}
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