improve handling android window mode

Closes #1908

Signed-off-by: dom <githubaccount56556@proton.me>

lib/utils/max_screen_size.dart

@@ -0,0 +1,25 @@
+import 'dart:io' show Platform;
+
+import 'package:PiliPlus/utils/utils.dart';
+
+abstract final class MaxScreenSize {
+  static int? _maxWidth;
+  static int? _maxHeight;
+
+  static Future<void> init() async {
+    final res = await Utils.channel.invokeMethod('maxScreenSize');
+    if (res is Map) {
+      _maxWidth = res['maxWidth'];
+      _maxHeight = res['maxHeight'];
+    }
+  }
+
+  static bool isWindowMode({required num width, required num height}) {
+    if (!Platform.isAndroid) return false;
+    width = width.round();
+    height = height.round();
+    final hasWidthMatch = width == _maxWidth || width == _maxHeight;
+    final hasHeightMatch = height == _maxWidth || height == _maxHeight;
+    return !(hasWidthMatch && hasHeightMatch);
+  }
+}