app.dart 4.66 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
// Copyright 2018-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import 'package:flutter/material.dart';

import 'package:flutter_gallery/demo/shrine/backdrop.dart';
import 'package:flutter_gallery/demo/shrine/category_menu_page.dart';
import 'package:flutter_gallery/demo/shrine/colors.dart';
import 'package:flutter_gallery/demo/shrine/expanding_bottom_sheet.dart';
import 'package:flutter_gallery/demo/shrine/home.dart';
import 'package:flutter_gallery/demo/shrine/login.dart';
import 'package:flutter_gallery/demo/shrine/supplemental/cut_corners_border.dart';

class ShrineApp extends StatefulWidget {
  @override
  _ShrineAppState createState() => _ShrineAppState();
}

class _ShrineAppState extends State<ShrineApp> with SingleTickerProviderStateMixin {
  // Controller to coordinate both the opening/closing of backdrop and sliding
  // of expanding bottom sheet
  AnimationController _controller;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 450),
      value: 1.0,
    );
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Shrine',
      home: HomePage(
        backdrop: Backdrop(
          frontLayer: const ProductPage(),
          backLayer: CategoryMenuPage(onCategoryTap: () => _controller.forward()),
          frontTitle: const Text('SHRINE'),
          backTitle: const Text('MENU'),
          controller: _controller,
        ),
        expandingBottomSheet: ExpandingBottomSheet(hideController: _controller),
      ),
      initialRoute: '/login',
      onGenerateRoute: _getRoute,
61 62 63
      // Copy the platform from the main theme in order to support platform
      // toggling from the Gallery options menu.
      theme: _kShrineTheme.copyWith(platform: Theme.of(context).platform),
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138
    );
  }
}

Route<dynamic> _getRoute(RouteSettings settings) {
  if (settings.name != '/login') {
    return null;
  }

  return MaterialPageRoute<void>(
    settings: settings,
    builder: (BuildContext context) => LoginPage(),
    fullscreenDialog: true,
  );
}

final ThemeData _kShrineTheme = _buildShrineTheme();

IconThemeData _customIconTheme(IconThemeData original) {
  return original.copyWith(color: kShrineBrown900);
}

ThemeData _buildShrineTheme() {
  final ThemeData base = ThemeData.light();
  return base.copyWith(
    colorScheme: kShrineColorScheme,
    accentColor: kShrineBrown900,
    primaryColor: kShrinePink100,
    buttonColor: kShrinePink100,
    scaffoldBackgroundColor: kShrineBackgroundWhite,
    cardColor: kShrineBackgroundWhite,
    textSelectionColor: kShrinePink100,
    errorColor: kShrineErrorRed,
    buttonTheme: const ButtonThemeData(
      colorScheme: kShrineColorScheme,
      textTheme: ButtonTextTheme.normal,
    ),
    primaryIconTheme: _customIconTheme(base.iconTheme),
    inputDecorationTheme: const InputDecorationTheme(border: CutCornersBorder()),
    textTheme: _buildShrineTextTheme(base.textTheme),
    primaryTextTheme: _buildShrineTextTheme(base.primaryTextTheme),
    accentTextTheme: _buildShrineTextTheme(base.accentTextTheme),
    iconTheme: _customIconTheme(base.iconTheme),
  );
}

TextTheme _buildShrineTextTheme(TextTheme base) {
  return base.copyWith(
    headline: base.headline.copyWith(fontWeight: FontWeight.w500),
    title: base.title.copyWith(fontSize: 18.0),
    caption: base.caption.copyWith(fontWeight: FontWeight.w400, fontSize: 14.0),
    body2: base.body2.copyWith(fontWeight: FontWeight.w500, fontSize: 16.0),
    button: base.button.copyWith(fontWeight: FontWeight.w500, fontSize: 14.0),
  ).apply(
    fontFamily: 'Raleway',
    displayColor: kShrineBrown900,
    bodyColor: kShrineBrown900,
  );
}

const ColorScheme kShrineColorScheme = ColorScheme(
  primary: kShrinePink100,
  primaryVariant: kShrineBrown900,
  secondary: kShrinePink50,
  secondaryVariant: kShrineBrown900,
  surface: kShrineSurfaceWhite,
  background: kShrineBackgroundWhite,
  error: kShrineErrorRed,
  onPrimary: kShrineBrown900,
  onSecondary: kShrineBrown900,
  onSurface: kShrineBrown900,
  onBackground: kShrineBrown900,
  onError: kShrineSurfaceWhite,
  brightness: Brightness.light,
);