Adds an image cropper to force the use to use a square image when taking picture

android/app/src/main/AndroidManifest.xml

@@ -3,6 +3,10 @@
         android:label="rtime"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name="com.yalantis.ucrop.UCropActivity"
+            android:screenOrientation="portrait"
+            android:theme="@style/Ucrop.CropTheme"/>
         <activity
             android:name=".MainActivity"
             android:exported="true"

android/app/src/main/res/values-v35/styles.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <style name="Ucrop.CropTheme" parent="Theme.AppCompat.Light.NoActionBar">
+      <item name="android:windowOptOutEdgeToEdgeEnforcement">true</item>
+  </style>
+</resources>
+

android/app/src/main/res/values/styles.xml

@@ -15,4 +15,5 @@
     <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
         <item name="android:windowBackground">?android:colorBackground</item>
     </style>
+    <style name="Ucrop.CropTheme" parent="Theme.AppCompat.Light.NoActionBar"/> <!--add this line-->
 </resources>

lib/images_manager.dart

@@ -7,73 +7,97 @@ import 'package:path_provider/path_provider.dart';
 import 'package:path/path.dart' as path;
 import 'package:uuid/uuid.dart';
 import 'package:image/image.dart' as img;
+import 'package:image_cropper/image_cropper.dart' as img_cropper;
 import 'package:uuid/v5.dart';
 
-class ImagesManager 
-{
-    static final ImagesManager instance = ImagesManager._internal();
-    ImagesManager._internal();
+class ImagesManager {
+  static final ImagesManager instance = ImagesManager._internal();
+  ImagesManager._internal();
 
-    static final Logger log = Logger("ImagesManager");
+  static final Logger log = Logger("ImagesManager");
 
-    static Uri? _imagesDirectory;
+  static Uri? _imagesDirectory;
 
-    Future<Uri> get imageDirectory async
-    {
-        if(_imagesDirectory != null) return _imagesDirectory!;
-        await _initImagesDirectory();
-        return _imagesDirectory!;
+  Future<Uri> get imageDirectory async {
+    if (_imagesDirectory != null) return _imagesDirectory!;
+    await _initImagesDirectory();
+    return _imagesDirectory!;
+  }
+
+  Future _initImagesDirectory() async {
+    final directoryLoc = await getApplicationDocumentsDirectory();
+    final directoryName = "images";
+    final directoryPath = path.join(directoryLoc.path, directoryName);
+    final directoryUri = Uri.directory(directoryPath);
+    final directory = Directory.fromUri(directoryUri);
+
+    if (!await directory.exists()) {
+      log.info("Image directory does not yet extists. Creating it.");
     }
 
-    Future _initImagesDirectory() async
-    {
-        final directoryLoc = await getApplicationDocumentsDirectory();
-        final directoryName = "images";
-        final directoryPath = path.join(directoryLoc.path, directoryName);
-        final directoryUri = Uri.directory(directoryPath);
-        final directory = Directory.fromUri(directoryUri);
-        
-        if(!await directory.exists())
-        {
-            log.info("Image directory does not yet extists. Creating it.");
-        }
+    directory.create(recursive: false);
 
-        directory.create(recursive: false);
-        
-        log.info("Image directory set up at '$directory'");
-        
-        _imagesDirectory = directoryUri;
+    log.info("Image directory set up at '$directory'");
+
+    _imagesDirectory = directoryUri;
+  }
+
+  Future<String?> createImage(ImageSource source) async {
+    // Get image from camera or not
+    final XFile? ximage = await ImagePicker().pickImage(source: source);
+    if (ximage == null) return null;
+
+    // Crop image
+    final uuid = Uuid().v6();
+    final imageDir = await imageDirectory;
+    final finalPath = path.join(
+      imageDir.path,
+      uuid + path.extension(ximage.name),
+    );
+    final tempPath = path.join(
+      imageDir.path,
+      "${uuid}_tocrop${path.extension(ximage.name)}",
+    );
+    await ximage.saveTo(tempPath);
+
+    img_cropper.CroppedFile? cropped = await img_cropper.ImageCropper()
+        .cropImage(
+          sourcePath: tempPath,
+          aspectRatio: img_cropper.CropAspectRatio(ratioX: 1.0, ratioY: 1.0),
+          uiSettings: [
+            img_cropper.AndroidUiSettings(
+              toolbarTitle: "Crop image",
+              toolbarColor: Colors.black,
+              toolbarWidgetColor: Colors.white,
+            ),
+            img_cropper.IOSUiSettings(title: "Crop image"),
+          ],
+        );
+
+    if (cropped == null) return null;
+
+    await File(finalPath).writeAsBytes(await cropped.readAsBytes());
+    await File(tempPath).delete();
+
+    return uuid;
+  }
+
+  Future<Image?> loadImage(String imageUuid) async {
+    final imageDir = await imageDirectory;
+    if (!Uuid.isValidUUID(fromString: imageUuid)) {
+      log.warning(
+        "Tried to load an image with an invalid UUID : '$imageUuid'.",
+      );
+      return null;
     }
 
-    Future<String?> createImage(ImageSource source) async
-    {
-        // Get image from camera or not
-        final XFile? ximage = await ImagePicker().pickImage(source: source);
-        if(ximage == null) return null;
-
-        final uuid = Uuid().v6();
-        final imageDir = await imageDirectory;
-        ximage.saveTo(path.join(imageDir.path, uuid + path.extension(ximage.name)));
-        return uuid;
+    final imagePath = path.join(imageDir.path, "$imageUuid.jpg");
+    final file = File(imagePath);
+    if (!await file.exists()) {
+      log.warning("Tried to load an image that does not extist: '$imagePath'.");
+      return null;
     }
 
-    Future<Image?> loadImage(String imageUuid) async
-    {
-        final imageDir = await imageDirectory;
-        if(!Uuid.isValidUUID(fromString: imageUuid))
-        {
-            log.warning("Tried to load an image with an invalid UUID : '$imageUuid'.");
-            return null;
-        }
-
-        final imagePath = path.join(imageDir.path, "$imageUuid.jpg");
-        final file = File(imagePath);
-        if(!await file.exists())
-        {
-            log.warning("Tried to load an image that does not extist: '$imagePath'.");
-            return null;
-        }
-
-        return Image.file(file);
-    }
+    return Image.file(file);
+  }
 }

pubspec.lock

@@ -344,6 +344,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.5.4"
+  image_cropper:
+    dependency: "direct main"
+    description:
+      name: image_cropper
+      sha256: "4e9c96c029eb5a23798da1b6af39787f964da6ffc78fd8447c140542a9f7c6fc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.1.0"
+  image_cropper_for_web:
+    dependency: transitive
+    description:
+      name: image_cropper_for_web
+      sha256: fd81ebe36f636576094377aab32673c4e5d1609b32dec16fad98d2b71f1250a9
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.0"
+  image_cropper_platform_interface:
+    dependency: transitive
+    description:
+      name: image_cropper_platform_interface
+      sha256: "6ca6b81769abff9a4dcc3bbd3d75f5dfa9de6b870ae9613c8cd237333a4283af"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.1.0"
   image_picker:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -44,6 +44,7 @@ dependencies:
   image_picker: ^1.1.2
   uuid: ^4.5.1
   json_serializable: ^6.9.5
+  image_cropper: ^9.1.0
 
 dev_dependencies:
   flutter_test: