Modify app #2
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| # FlutterCourse | ||
| It is the repsitory from mobile development subject | ||
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| package com.example.hometask_v_3 | ||
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| import io.flutter.embedding.android.FlutterActivity | ||
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| class MainActivity: FlutterActivity() { | ||
| } |
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <module type="JAVA_MODULE" version="4"> | ||
| <component name="FacetManager"> | ||
| <facet type="android" name="Android"> | ||
| <configuration> | ||
| <option name="ALLOW_USER_CONFIGURATION" value="false" /> | ||
| <option name="GEN_FOLDER_RELATIVE_PATH_APT" value="/gen" /> | ||
| <option name="GEN_FOLDER_RELATIVE_PATH_AIDL" value="/gen" /> | ||
| <option name="MANIFEST_FILE_RELATIVE_PATH" value="/app/src/main/AndroidManifest.xml" /> | ||
| <option name="RES_FOLDER_RELATIVE_PATH" value="/app/src/main/res" /> | ||
| <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/app/src/main/assets" /> | ||
| <option name="LIBS_FOLDER_RELATIVE_PATH" value="/app/src/main/libs" /> | ||
| <option name="PROGUARD_LOGS_FOLDER_RELATIVE_PATH" value="/app/src/main/proguard_logs" /> | ||
| </configuration> | ||
| </facet> | ||
| </component> | ||
| <component name="NewModuleRootManager" inherit-compiler-output="true"> | ||
| <exclude-output /> | ||
| <content url="file://$MODULE_DIR$"> | ||
| <sourceFolder url="file://$MODULE_DIR$/app/src/main/java" isTestSource="false" /> | ||
| <sourceFolder url="file://$MODULE_DIR$/app/src/main/kotlin" isTestSource="false" /> | ||
| <sourceFolder url="file://$MODULE_DIR$/gen" isTestSource="false" generated="true" /> | ||
| </content> | ||
| <orderEntry type="jdk" jdkName="Android API 29 Platform" jdkType="Android SDK" /> | ||
| <orderEntry type="sourceFolder" forTests="false" /> | ||
| <orderEntry type="library" name="Flutter for Android" level="project" /> | ||
| <orderEntry type="library" name="KotlinJavaRuntime" level="project" /> | ||
| </component> | ||
| </module> |
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| import 'package:flutter/material.dart'; | ||
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| final appTheme = ThemeData( | ||
| primarySwatch: Colors.red, | ||
| textTheme: const TextTheme( | ||
| headline1: TextStyle( | ||
| fontFamily: 'Corben', | ||
| fontWeight: FontWeight.w700, | ||
| fontSize: 24, | ||
| color: Colors.black, | ||
| ), | ||
| ), | ||
| ); |
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,114 +1,39 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:provider/provider.dart'; | ||
| import 'package:hometask_v_3/common/theme.dart'; | ||
| import 'package:hometask_v_3/models/cart_methods.dart'; | ||
| import 'package:hometask_v_3/models/catalog_list.dart'; | ||
| import 'package:hometask_v_3/screens/cart.dart'; | ||
| import 'package:hometask_v_3/screens/catalog.dart'; | ||
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| void main() { | ||
| runApp(MyApp()); | ||
| } | ||
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| class MyApp extends StatelessWidget { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return MultiProvider( | ||
| providers: [ | ||
| Provider(create: (context) => CatalogModel()), | ||
| ChangeNotifierProxyProvider<CatalogModel, CartModel>( | ||
| create: (context) => CartModel(), | ||
| update: (context, catalog, cart) { | ||
| if (cart == null) throw ArgumentError.notNull('cart'); | ||
| cart.catalog = catalog; | ||
| return cart; | ||
| }, | ||
| ), | ||
| ], | ||
| child: MaterialApp( | ||
| title: 'Provider Demo', | ||
| theme: appTheme, | ||
| initialRoute: '/', | ||
| routes: { | ||
| '/': (context) => MyCatalog(), | ||
| '/cart': (context) => MyCart(), | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } |
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| @@ -0,0 +1,30 @@ | ||
| import 'package:flutter/foundation.dart'; | ||
| import 'package:hometask_v_3/models/catalog_list.dart'; | ||
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| class CartModel extends ChangeNotifier { | ||
| late CatalogModel _catalog; | ||
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| final List<int> _itemIds = []; | ||
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| CatalogModel get catalog => _catalog; | ||
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| set catalog(CatalogModel newCatalog) { | ||
| _catalog = newCatalog; | ||
| notifyListeners(); | ||
| } | ||
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| List<Item> get items => _itemIds.map((id) => _catalog.getById(id)).toList(); | ||
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| int get totalPrice => | ||
| items.fold(0, (total, current) => total + current.price); | ||
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| void add(Item item) { | ||
| _itemIds.add(item.id); | ||
| notifyListeners(); | ||
| } | ||
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| void remove(Item item) { | ||
| _itemIds.remove(item.id); | ||
| notifyListeners(); | ||
| } | ||
| } |
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| import 'package:flutter/material.dart'; | ||
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| class CatalogModel { | ||
| static List<String> itemNames = [ | ||
| 'Code Smell', | ||
| 'Control Flow', | ||
| 'Interpreter', | ||
| 'Recursion', | ||
| 'Sprint', | ||
| 'Heisenbug', | ||
| 'Spaghetti', | ||
| 'Hydra Code', | ||
| 'Off-By-One', | ||
| 'Scope', | ||
| 'Callback', | ||
| 'Closure', | ||
| 'Automata', | ||
| 'Bit Shift', | ||
| 'Currying', | ||
| ]; | ||
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| Item getById(int id) => Item(id, itemNames[id % itemNames.length]); | ||
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| Item getByPosition(int position) { | ||
| return getById(position); | ||
| } | ||
| } | ||
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| @immutable | ||
| class Item { | ||
| final int id; | ||
| final String name; | ||
| final Color color; | ||
| final int price = 42; | ||
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| Item(this.id, this.name) | ||
| : color = Colors.primaries[id % Colors.primaries.length]; | ||
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| @override | ||
| int get hashCode => id; | ||
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| @override | ||
| bool operator ==(Object other) => other is Item && other.id == id; | ||
| } |
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Typo: "repository"