124 lines
3.2 KiB
Dart
124 lines
3.2 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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import 'package:flutter/cupertino.dart';
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/// Flutter code sample for [showCupertinoSheet].
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void main() {
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runApp(const CupertinoSheetApp());
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}
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class CupertinoSheetApp extends StatelessWidget {
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const CupertinoSheetApp({super.key});
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@override
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Widget build(BuildContext context) {
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return const CupertinoApp(title: 'Cupertino Sheet', home: HomePage());
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}
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}
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class HomePage extends StatelessWidget {
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const HomePage({super.key});
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@override
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Widget build(BuildContext context) {
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return CupertinoPageScaffold(
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navigationBar: const CupertinoNavigationBar(
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middle: Text('Sheet Example'),
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automaticBackgroundVisibility: false,
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),
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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CupertinoButton.filled(
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onPressed: () {
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showCupertinoSheet<void>(
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context: context,
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useNestedNavigation: true,
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builder: (BuildContext context) => const _SheetScaffold(),
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);
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},
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child: const Text('Open Bottom Sheet'),
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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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class _SheetScaffold extends StatelessWidget {
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const _SheetScaffold();
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@override
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Widget build(BuildContext context) {
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return const CupertinoPageScaffold(
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child: _SheetBody(title: 'CupertinoSheetRoute'),
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);
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}
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}
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class _SheetBody extends StatelessWidget {
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const _SheetBody({required this.title});
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final String title;
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text(title),
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CupertinoButton.filled(
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onPressed: () {
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Navigator.of(context).maybePop();
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},
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child: const Text('Go Back'),
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),
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CupertinoButton.filled(
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onPressed: () {
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CupertinoSheetRoute.popSheet(context);
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},
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child: const Text('Pop Whole Sheet'),
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),
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CupertinoButton.filled(
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onPressed: () {
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Navigator.of(context).push(
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CupertinoPageRoute<void>(
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builder: (BuildContext context) => const _SheetNextPage(),
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),
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);
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},
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child: const Text('Push Nested Page'),
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),
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CupertinoButton.filled(
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onPressed: () {
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showCupertinoSheet<void>(
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context: context,
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useNestedNavigation: true,
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builder: (BuildContext context) => const _SheetScaffold(),
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);
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},
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child: const Text('Push Another Sheet'),
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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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class _SheetNextPage extends StatelessWidget {
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const _SheetNextPage();
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@override
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Widget build(BuildContext context) {
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return const CupertinoPageScaffold(
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backgroundColor: CupertinoColors.activeOrange,
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child: _SheetBody(title: 'Next Page'),
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);
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}
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}
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