orientation

android/src/main/jni/CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.10)
 project(ux_keyboard)
 
-add_library(ux_keyboard SHARED keyboard_bridge.c)
+add_library(ux_keyboard SHARED keyboard_bridge.c sensor_bridge.c)
 target_link_libraries(ux_keyboard log)
 
 # 16KB page size support (required for Android 15+)

android/src/main/jni/sensor_bridge.c

@@ -0,0 +1,18 @@
+#include <jni.h>
+#include <stdint.h>
+
+// Shared state — Kotlin writes, Dart reads via FFI.
+// Encoded as Surface rotation convention:
+//   0 = portraitUp, 1 = landscapeLeft, 2 = portraitDown, 3 = landscapeRight.
+static int32_t g_device_orientation = 0;
+
+// --- Dart FFI reads ---
+
+int32_t ux_device_orientation(void) { return g_device_orientation; }
+
+// --- Kotlin JNI writes ---
+
+JNIEXPORT void JNICALL
+Java_io_swipelab_ux_SensorBridge_nSetDeviceOrientation(JNIEnv *env, jclass cls, jint v) {
+    g_device_orientation = v;
+}