Day 5

android/app/src/main/AndroidManifest.xml

@@ -1,13 +1,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <application
-        android:label="surf_flutter_summer_school_24"
+        android:label="change_theme"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
             android:exported="true"
             android:launchMode="singleTop"
-            android:taskAffinity=""
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
@@ -32,7 +31,7 @@
             android:value="2" />
     </application>
     <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility and
+         https://developer.android.com/training/package-visibility?hl=en and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
          In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->

lib/app/my_app.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:surf_flutter_summer_school_24/feature/theme/di/theme_inherited.dart';
+import 'package:surf_flutter_summer_school_24/feature/theme/domain/theme_controller.dart';
+import 'package:surf_flutter_summer_school_24/feature/theme/ui/theme_builder.dart';
+import 'package:surf_flutter_summer_school_24/feature/screens/start_page/start_page_widget.dart';
+import 'package:surf_flutter_summer_school_24/uikit/theme/theme_data.dart';
+
+class MainApp extends StatelessWidget {
+    final ThemeController themeController;
+  const MainApp({super.key, required this.themeController});
+
+  @override
+  Widget build(BuildContext context) {
+    return ThemeInherited(
+        themeController: themeController,
+        child: ThemeBuilder(builder: (_, themeMode) {
+          return MaterialApp(
+            theme: AppThemeData.lightTheme,
+            darkTheme: AppThemeData.darkTheme,
+            themeMode: themeMode,
+
+            home: const StartPageWidget()
+
+            // home: StartPageModelProvider(
+            //   model: StartPageModel(),
+            //   child: const StartPageWidget()
+            //   ),
+
+            // initialRoute: '/start_page',
+            // routes: {
+            //   '/start_page': (context) => const StartPage(),
+            //   '/opened_image': (context) => PhotoPage(index: ),
+            // },
+          );
+        }));
+  }
+}
+

lib/feature/screens/opened_image/photo_page_model.dart

@@ -0,0 +1,43 @@
+// ! БЕСПОЛЕЗНЫЙ ФАЙЛ
+
+import 'package:flutter/material.dart';
+
+class PhotoPageModel extends ChangeNotifier {
+  late PageController controller;
+  int currentIndex = 0;
+
+
+}
+
+class PhotoPageModelProvider extends InheritedNotifier {
+  final PhotoPageModel model;
+
+  // PhotoPageModelProvider({ //! todo чем отличается форма записи конструктора разобрать
+  //   super.key, 
+  //   super.notifier, 
+  //   required super.child, 
+  //   required this.model
+  //   });
+
+  const PhotoPageModelProvider({
+  Key? key,
+  required this.model,
+  required Widget child,
+}) : super(
+  key: key,
+  notifier: model,
+  child: child,
+);
+
+  static PhotoPageModelProvider? watch(BuildContext context) {
+    return context.dependOnInheritedWidgetOfExactType<PhotoPageModelProvider>();
+  }
+
+  static PhotoPageModelProvider? read(BuildContext context) {
+    final widget = 
+      context.getElementForInheritedWidgetOfExactType<PhotoPageModelProvider>()?.widget;
+    return widget is PhotoPageModelProvider ? widget : null; // Эта строка кода в Dart проверяет, является ли объект widget экземпляром класса StartPageModelProvider. Если да, то возвращает widget, иначе возвращает null
+  }
+
+}
+

lib/feature/screens/opened_image/photo_page_widget.dart

@@ -0,0 +1,115 @@
+import 'package:flutter/material.dart';
+import 'package:surf_flutter_summer_school_24/storage/images/images.dart';
+import 'package:surf_flutter_summer_school_24/uikit/styles/font_styles.dart';
+
+
+class PhotoPage extends StatefulWidget {
+  final int index;
+  const PhotoPage({super.key, required this.index});
+
+  @override
+  State<PhotoPage> createState() => _PageState();
+
+}
+
+class _PageState extends State<PhotoPage> {
+
+late PageController controller; 
+  int currentIndex = 0; 
+
+  @override
+  void initState() {
+      controller = PageController(
+      viewportFraction: 0.8,
+      initialPage: widget.index,
+    );
+    currentIndex = widget.index;
+    super.initState();
+    controller.addListener(() {
+      int newIndex = controller.page?.round() ?? 0;
+      if (newIndex != currentIndex) {
+        setState(() {
+          currentIndex = newIndex;
+        });
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+  final dynamicAppBarColorForTextSpan = Theme.of(context).appBarTheme.foregroundColor;
+    return Scaffold(
+        appBar: AppBar(
+          leading: IconButton(onPressed: () { Navigator.of(context).pop(); },
+          icon: const Icon(Icons.arrow_back)),
+          title: Expanded(
+            child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  const Spacer(flex: 1),
+                  Center(child: Text('01.01.2021', style: MyCustomStyle.mainTextThin,)),
+                  const Spacer(flex: 1),
+                  RichText(
+                    text: TextSpan(
+                      children: [
+                        TextSpan(
+                          text: '${currentIndex + 1}',
+                          style: MyCustomStyle.mainTextBold.copyWith(fontSize: 18, color: dynamicAppBarColorForTextSpan),
+                        ),
+                        TextSpan(
+                          text: '/${images.length}',
+                          style: MyCustomStyle.mainTextBoldGrey.copyWith(fontSize: 18, color: Color(0xAAAAAAAA)), 
+                        )
+                      ]
+                    ),
+                    )
+                ]),
+          ),
+        ),
+        body: PageView.builder(
+          pageSnapping: false,
+          controller: controller,
+          itemCount: images.length,
+          itemBuilder: (context, index) {
+
+            var _scale = currentIndex == index ? 1.0 : 0.87;
+            double _height = currentIndex == index ? 600 : 390;
+
+            return TweenAnimationBuilder(
+              duration: const Duration(microseconds: 350),
+              tween: Tween(begin: _scale, end: _scale),
+              curve: Curves.ease,
+              builder: (context, value, child) {
+                return Transform.scale(
+                  scale: value,
+                  child: child,
+                );
+              },
+              child: Center(
+                child: Hero(
+                  tag: images[index],
+                  child: Container(
+                    // margin: const EdgeInsets.symmetric(horizontal: 5),
+                    height: _height,
+                    width: 557,
+                    decoration: BoxDecoration(
+                      borderRadius: BorderRadius.circular(20),
+                      image:
+                        DecorationImage(image: images[index], fit: BoxFit.cover),
+                    ),
+                  ),
+                ),
+              ),
+            );
+          },
+        ));
+  }
+
+  @override
+  void dispose() {
+    controller.dispose();
+    super.dispose();
+  }
+}
+
+

lib/feature/screens/start_page/start_page_model.dart

@@ -0,0 +1,57 @@
+// import 'package:flutter/material.dart';
+// import 'package:surf_flutter_summer_school_24/storage/photos/get_photo_http.dart';
+// import 'package:surf_flutter_summer_school_24/storage/photos/json_photo_serializable.dart';
+
+// class StartPageModel extends ChangeNotifier {
+//   final apiClient = ApiClient();
+//   var _image = <ResponseList>[];
+//   List<ResponseList> get image => _image;
+
+//   Future<void> createPosts() async {
+//     final image = await apiClient.getPhotosUsingHttp();
+//     _image += image;
+
+//     notifyListeners();
+//   }
+
+//   Future<void> deleteLastImage() async {
+
+//   }
+
+//   Future<void> deleteAllImage() async {}
+
+
+// }
+
+// class StartPageModelProvider extends InheritedNotifier {
+//   final StartPageModel model;
+
+//   // StartPageModelProvider({ //! todo чем отличается форма записи конструктора разобрать
+//   //   super.key, 
+//   //   super.notifier, 
+//   //   required super.child, 
+//   //   required this.model
+//   //   });
+
+//   const StartPageModelProvider({
+//   Key? key,
+//   required this.model,
+//   required Widget child,
+// }) : super(
+//   key: key,
+//   notifier: model,
+//   child: child,
+// );
+
+//   static StartPageModelProvider? watch(BuildContext context) {
+//     return context.dependOnInheritedWidgetOfExactType<StartPageModelProvider>();
+//   }
+
+//   static StartPageModelProvider? read(BuildContext context) {
+//     final widget = 
+//       context.getElementForInheritedWidgetOfExactType<StartPageModelProvider>()?.widget;
+//     return widget is StartPageModelProvider ? widget : null; // Эта строка кода в Dart проверяет, является ли объект widget экземпляром класса StartPageModelProvider. Если да, то возвращает widget, иначе возвращает null
+//   }
+
+// }
+