// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Template: dev/snippets/config/templates/stateless_widget_scaffold_center.tmpl // // Comment lines marked with "▼▼▼" and "▲▲▲" are used for authoring // of samples, and may be ignored if you are just exploring the sample. // Flutter code sample for Tooltip // //*************************************************************************** //* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) // This example covers most of the attributes available in Tooltip. // `decoration` has been used to give a gradient and borderRadius to Tooltip. // `height` has been used to set a specific height of the Tooltip. // `preferBelow` is false, the tooltip will prefer showing above [Tooltip]'s child widget. // However, it may show the tooltip below if there's not enough space // above the widget. // `textStyle` has been used to set the font size of the 'message'. // `showDuration` accepts a Duration to continue showing the message after the long // press has been released or the mouse pointer exits the child widget. // `waitDuration` accepts a Duration for which a mouse pointer has to hover over the child // widget before the tooltip is shown. //* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) //*************************************************************************** import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); /// This is the main application widget. class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); static const String _title = 'Flutter Code Sample'; @override Widget build(BuildContext context) { return MaterialApp( title: _title, home: Scaffold( appBar: AppBar(title: const Text(_title)), body: const Center( child: MyStatelessWidget(), ), ), ); } } /// This is the stateless widget that the main application instantiates. class MyStatelessWidget extends StatelessWidget { const MyStatelessWidget({Key? key}) : super(key: key); @override //******************************************************************** //* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) Widget build(BuildContext context) { return Tooltip( message: 'I am a Tooltip', child: const Text('Tap this text and hold down to show a tooltip.'), decoration: BoxDecoration( borderRadius: BorderRadius.circular(25), gradient: const LinearGradient(colors: [Colors.amber, Colors.red]), ), height: 50, padding: const EdgeInsets.all(8.0), preferBelow: false, textStyle: const TextStyle( fontSize: 24, ), showDuration: const Duration(seconds: 2), waitDuration: const Duration(seconds: 1), ); } //* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) //******************************************************************** }