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73 lines
2.3 KiB
73 lines
2.3 KiB
// Copyright 2022 The Flutter team. 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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import 'package:flutter/material.dart';
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import 'gallery_home.dart';
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void main() {
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runApp(const CupertinoGalleryApp());
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}
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class CupertinoGalleryApp extends StatefulWidget {
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const CupertinoGalleryApp({super.key});
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@override
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State<CupertinoGalleryApp> createState() => _CupertinoGalleryAppState();
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}
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class _CupertinoGalleryAppState extends State<CupertinoGalleryApp> {
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ThemeMode _themeMode = ThemeMode.system;
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double _textSize = 1.0;
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void _handleThemeChange(bool isDarkMode) {
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setState(() {
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_themeMode = isDarkMode ? ThemeMode.dark : ThemeMode.light;
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});
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}
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void _handleTextSizeChange(double newTextSize) {
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setState(() {
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_textSize = newTextSize;
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});
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}
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@override
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Widget build(BuildContext context) {
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final baseTheme = CupertinoThemeData(
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brightness:
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_themeMode == ThemeMode.dark ? Brightness.dark : Brightness.light,
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);
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final textTheme = baseTheme.textTheme.copyWith(
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textStyle:
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baseTheme.textTheme.textStyle.copyWith(fontSize: 14 * _textSize),
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actionTextStyle: baseTheme.textTheme.actionTextStyle
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.copyWith(fontSize: 14 * _textSize),
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tabLabelTextStyle: baseTheme.textTheme.tabLabelTextStyle
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.copyWith(fontSize: 10 * _textSize),
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navTitleTextStyle: baseTheme.textTheme.navTitleTextStyle
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.copyWith(fontSize: 17 * _textSize),
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navLargeTitleTextStyle: baseTheme.textTheme.navLargeTitleTextStyle
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.copyWith(fontSize: 34 * _textSize),
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navActionTextStyle: baseTheme.textTheme.navActionTextStyle
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.copyWith(fontSize: 17 * _textSize),
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pickerTextStyle: baseTheme.textTheme.pickerTextStyle
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.copyWith(fontSize: 21 * _textSize),
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dateTimePickerTextStyle: baseTheme.textTheme.dateTimePickerTextStyle
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.copyWith(fontSize: 21 * _textSize),
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);
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return CupertinoApp(
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title: 'Cupertino Gallery',
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theme: baseTheme.copyWith(textTheme: textTheme),
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home: GalleryHome(
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onThemeChange: _handleThemeChange,
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isDarkMode: _themeMode == ThemeMode.dark,
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onTextSizeChange: _handleTextSizeChange,
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textSize: _textSize,
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),
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);
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}
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}
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