75 lines
2.5 KiB
Dart
75 lines
2.5 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_center.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 Tooltip
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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 example shows a rich [Tooltip] that specifies the [richMessage]
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// parameter instead of the [message] parameter (only one of these may be
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// non-null. Any [InlineSpan] can be specified for the [richMessage] attribute,
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// including [WidgetSpan].
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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 Center(
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child: MyStatelessWidget(),
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),
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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 const Tooltip(
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richMessage: TextSpan(
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text: 'I am a rich tooltip. ',
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style: TextStyle(color: Colors.red),
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children: <InlineSpan>[
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TextSpan(
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text: 'I am another span of this rich tooltip',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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],
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),
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child: Text('Tap this text and hold down to show a tooltip.'),
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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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