orientation

lib/src/sensor.dart

@@ -0,0 +1,37 @@
+import 'dart:ffi';
+import 'dart:io';
+
+import 'package:flutter/services.dart';
+
+DynamicLibrary? _initLib() {
+  if (Platform.isIOS) return DynamicLibrary.process();
+  if (Platform.isAndroid) return DynamicLibrary.open('libux_keyboard.so');
+  return null;
+}
+
+final DynamicLibrary? _lib = _initLib();
+
+int Function()? _lookupInt32(String name) {
+  if (_lib == null) return null;
+  try {
+    return _lib!.lookup<NativeFunction<Int32 Function()>>(name).asFunction<int Function()>();
+  } catch (_) {
+    return null;
+  }
+}
+
+final _uxDeviceOrientation = _lookupInt32('ux_device_orientation');
+
+class UxSensor {
+  UxSensor._();
+
+  /// Accelerometer-driven physical device rotation; updates regardless of
+  /// OS auto-rotate or app UI orientation lock.
+  static DeviceOrientation get orientation {
+    final idx = _uxDeviceOrientation?.call() ?? 0;
+    if (idx < 0 || idx >= DeviceOrientation.values.length) {
+      return DeviceOrientation.portraitUp;
+    }
+    return DeviceOrientation.values[idx];
+  }
+}