// 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. // Flutter code sample for Tooltip import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); class MyApp extends StatelessWidget { const MyApp({super.key}); static const String _title = 'Tooltip Sample'; @override Widget build(BuildContext context) { return const MaterialApp( title: _title, home: TooltipSample(title: _title), ); } } class TooltipSample extends StatelessWidget { const TooltipSample({super.key, required this.title}); final String title; @override Widget build(BuildContext context) { final GlobalKey<TooltipState> tooltipkey = GlobalKey<TooltipState>(); return Scaffold( appBar: AppBar(title: Text(title)), body: Center( child: Tooltip( // Provide a global key with the "TooltipState" type to show // the tooltip manually when trigger mode is set to manual. key: tooltipkey, triggerMode: TooltipTriggerMode.manual, showDuration: const Duration(seconds: 1), message: 'I am a Tooltip', child: const Text('Tap on the FAB'), ), ), floatingActionButton: FloatingActionButton.extended( onPressed: () { // Show Tooltip programmatically on button tap. tooltipkey.currentState?.ensureTooltipVisible(); }, label: const Text('Show Tooltip'), ), ); } }