Features

android/app/build.gradle

@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 33
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -44,8 +44,8 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "cheeseball.project_scanit"
-        minSdkVersion 21
-        targetSdkVersion 30
+        minSdkVersion 26
+        targetSdkVersion 33
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }

android/app/src/main/AndroidManifest.xml

@@ -7,6 +7,7 @@
         android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
+            android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"

android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.7.20'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip

lib/main.dart

@@ -1,7 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:injectable/injectable.dart';
+import 'package:project_scanit/injection.dart';
 import 'package:project_scanit/views/core/app_widget.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
+  configureInjection(Environment.prod);
   runApp(AppWidget());
 }

lib/models/scan/image_processing_model.dart

@@ -1,13 +1,25 @@
 import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';
+import 'package:injectable/injectable.dart';
 import 'package:project_scanit/models/scan/captured_image.dart';
 import 'package:project_scanit/models/scan/image_filter.dart';
+import 'package:project_scanit/services/opencv/opencv_service.dart';
 
+@LazySingleton()
 class ImageProcessingModel extends ChangeNotifier {
   // TODO: write all images processing functions here :)
   // See capture button onTap to get Uint8List image :)
+  final OpenCVService _openCVService;
   List<CapturedImage> images = [];
+  int index = 0;
+
+  ImageProcessingModel(this._openCVService);
+
+  void setIndex(int newIndex) {
+    index = newIndex;
+    notifyListeners();
+  }
 
   void getRawImage(Uint8List image) async {
     images.add(CapturedImage(
@@ -23,6 +35,11 @@ class ImageProcessingModel extends ChangeNotifier {
 
   cropToEdges() {}
 
+  rotate() {
+    // TODO: rotate image 90 deg clockwise from list at `index`
+    notifyListeners();
+  }
+
   applyFilter() {}
 
   reorder() {}

lib/services/opencv/opencv_service.dart

@@ -1,3 +1,14 @@
-class OpencvService {
+import 'dart:typed_data';
 
+import 'package:injectable/injectable.dart';
+import 'package:opencv/opencv.dart';
+
+@LazySingleton()
+class OpenCVService {
+  OpenCV openCV = OpenCV();
+
+  Future<Uint8List> rotate(double degree) async {
+    // TODO: add rotation function
+    return Uint8List(0);
+  }
 }

lib/views/scan/pages/pages.dart

@@ -11,16 +11,11 @@ class Pages extends StatelessWidget {
       color: Color(0xff262626),
       child: Column(
         children: [
-          Expanded(child: PageListView()),
-          Material(
-            borderRadius: BorderRadius.only(
-              topLeft: Radius.circular(16.0),
-              topRight: Radius.circular(16.0),
-            ),
-            color: Colors.white,
-            elevation: 8.0,
-            child: OptionsBar(),
-          ),
+          Expanded(child: Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: PageListView(),
+          )),
+          OptionsBar(),
         ],
       ),
     );

lib/views/scan/pages/widgets/options_bar/options_bar.dart

@@ -1,21 +1,57 @@
 import 'package:flutter/material.dart';
+import 'package:project_scanit/models/scan/image_processing_model.dart';
 import 'package:project_scanit/views/scan/pages/widgets/options_bar/widgets/option_tile.dart';
+import 'package:provider/provider.dart';
 
 class OptionsBar extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.symmetric(vertical: 16.0),
-      child: Row(
-        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-        children: [
-          OptionTile(icon: Icons.add_circle_rounded, text: 'Add Page', onTap: () {}),
-          OptionTile(icon: Icons.crop_rounded, text: 'Crop', onTap: () {}),
-          OptionTile(icon: Icons.rotate_right_rounded, text: 'Rotate', onTap: () {}),
-          OptionTile(icon: Icons.filter_rounded, text: 'Filter', onTap: () {}),
-          OptionTile(icon: Icons.view_array_rounded, text: 'Rearrange', onTap: () {}),
-          OptionTile(icon: Icons.remove_circle_rounded, text: 'Remove', onTap: () {}),
-        ],
+    final imageProcessingModelProvider =
+        Provider.of<ImageProcessingModel>(context);
+    return Material(
+      borderRadius: BorderRadius.only(
+        topLeft: Radius.circular(16.0),
+        topRight: Radius.circular(16.0),
+      ),
+      color: Colors.white,
+      elevation: 8.0,
+      child: Padding(
+        padding: const EdgeInsets.symmetric(vertical: 16.0),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+          children: [
+            OptionTile(
+              icon: Icons.add_circle_rounded,
+              text: 'Add Page',
+              onTap: () {},
+            ),
+            OptionTile(
+              icon: Icons.crop_rounded,
+              text: 'Crop',
+              onTap: () {},
+            ),
+            OptionTile(
+              icon: Icons.rotate_right_rounded,
+              text: 'Rotate',
+              onTap: () => imageProcessingModelProvider.rotate(),
+            ),
+            OptionTile(
+              icon: Icons.filter_rounded,
+              text: 'Filter',
+              onTap: () {},
+            ),
+            OptionTile(
+              icon: Icons.view_array_rounded,
+              text: 'Rearrange',
+              onTap: () {},
+            ),
+            OptionTile(
+              icon: Icons.remove_circle_rounded,
+              text: 'Remove',
+              onTap: () {},
+            ),
+          ],
+        ),
       ),
     );
   }

lib/views/scan/pages/widgets/page_list_view.dart

@@ -11,22 +11,42 @@ class PageListView extends StatelessWidget {
         Provider.of<ImageProcessingModel>(context);
 
     print(imageProcessingModelProvider.images.length);
-    return Swiper(
-      scrollDirection: Axis.horizontal,
-      itemCount: imageProcessingModelProvider.images.length,
-      loop: false,
-      scale: 0.9,
-      viewportFraction: 0.8,
-      itemBuilder: (context, index) {
-        return Center(
-          child: Material(
-            color: Colors.transparent,
-            elevation: 8.0,
-            child:
-                Image.memory(imageProcessingModelProvider.images[index].image),
+    return Column(
+      children: [
+        Expanded(
+          child: Swiper(
+            scrollDirection: Axis.horizontal,
+            itemCount: imageProcessingModelProvider.images.length,
+            loop: false,
+            scale: 0.9,
+            viewportFraction: 0.8,
+            onIndexChanged: (index) =>
+                imageProcessingModelProvider.setIndex(index),
+            itemBuilder: (context, index) {
+              return Center(
+                child: Material(
+                  color: Colors.transparent,
+                  elevation: 8.0,
+                  child: Image.memory(
+                      imageProcessingModelProvider.images[index].image),
+                ),
+              );
+            },
           ),
-        );
-      },
+        ),
+        Material(
+          borderRadius: BorderRadius.circular(512.0),
+          color: Colors.white,
+          elevation: 8.0,
+          child: Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: Text(
+              'Page ${imageProcessingModelProvider.index+1}',
+              style: TextStyle(fontSize: 12.0),
+            ),
+          ),
+        ),
+      ],
     );
   }
 }

lib/views/scan/widgets/bottom_bar/bottom_bar.dart

@@ -1,12 +1,13 @@
 import 'package:flutter/material.dart';
+import 'package:project_scanit/injection.dart';
 import 'package:project_scanit/models/scan/capture_model.dart';
 import 'package:project_scanit/models/scan/image_processing_model.dart';
 import 'package:project_scanit/views/scan/widgets/bottom_bar/widgets/capture_button.dart';
 import 'package:project_scanit/views/scan/pages/pages.dart';
 import 'package:provider/provider.dart';
 
 class BottomBar extends StatelessWidget {
-  final imageProcessingModel = ImageProcessingModel();
+  final imageProcessingModel = getIt<ImageProcessingModel>();
   @override
   Widget build(BuildContext context) {
     final captureModelProvider = Provider.of<CaptureModel>(context);