Added: lib/home_page.dart

lib/home_page.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:file_selector/file_selector.dart';
+import 'dart:io';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  String? _targetImagePath;
+  String? _tileImagesDirectoryPath;
+
+  Future<void> _pickTargetImage() async {
+    const XTypeGroup typeGroup = XTypeGroup(
+      label: 'images',
+      extensions: <String>['jpg', 'png', 'jpeg', 'webp'],
+    );
+    final XFile? file = await openFile(
+      acceptedTypeGroups: <XTypeGroup>[typeGroup],
+    );
+
+    if (file != null) {
+      setState(() {
+        _targetImagePath = file.path;
+      });
+      if (kDebugMode) {
+        print('Selected Target Image: $_targetImagePath');
+      }
+    }
+  }
+
+  Future<void> _pickTileImagesDirectory() async {
+    final String? directoryPath = await getDirectoryPath();
+
+    if (directoryPath != null) {
+      setState(() {
+        _tileImagesDirectoryPath = directoryPath;
+      });
+      if (kDebugMode) {
+        print('Selected Tile Images Directory: $_tileImagesDirectoryPath');
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Photo Mosaic Generator'),
+        centerTitle: true,
+      ),
+      body: Center(
+        child: Padding(
+          padding: const EdgeInsets.all(20.0),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: <Widget>[
+              ElevatedButton(
+                onPressed: _pickTargetImage,
+                child: const Text('Select Target Image'),
+              ),
+              const SizedBox(height: 10),
+              Text(
+                _targetImagePath == null
+                    ? 'No target image selected.'
+                    : 'Target Image: ${_targetImagePath!.split('/').last}',
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: 30),
+
+              ElevatedButton(
+                onPressed: _pickTileImagesDirectory,
+                child: const Text('Select Tile Images Folder'),
+              ),
+              const SizedBox(height: 10),
+              Text(
+                _tileImagesDirectoryPath == null
+                    ? 'No tile images folder selected.'
+                    : 'Tile Images Folder: ${_tileImagesDirectoryPath!.split('/').last}',
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: 50),
+
+              ElevatedButton(
+                onPressed:
+                    (_targetImagePath != null &&
+                            _tileImagesDirectoryPath != null)
+                        ? () {
+                          if (kDebugMode) {
+                            print('Generate Mosaic button pressed!');
+                          }
+                        }
+                        : null,
+                child: const Text('Generate Mosaic'),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}