...

lun_launcher/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
     <uses-feature android:name="android.hardware.type.watch" />
 
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.BODY_SENSORS" />
 
     <application
         android:allowBackup="true"

lun_launcher/src/main/java/bums/lunatic/launcher/presentation/MainActivity.kt

@@ -49,17 +49,18 @@ class MainActivity : ComponentActivity() , SensorEventListener {
     }
     private lateinit var messageClient: MessageClient
     private var lastX = 0f
-    override fun onSensorChanged(p0: SensorEvent?) {
-        p0?.let { event ->
-            val x = event.values[0]
+    override fun onSensorChanged(event: SensorEvent?) {
+        event?.let {
+            if (it.sensor.type == Sensor.TYPE_ACCELEROMETER) {
+                val x = it.values[0]
 
-            // 아주 단순한 Threshold 예시 (나중에 DTW로 교체)
-            if (x > 15f) { // 오른쪽으로 강하게 휘둘렀을 때
-                sendGestureToLauncher("/gesture/next")
-            } else if (x < -15f) {
-                sendGestureToLauncher("/gesture/prev")
+                // 임계값(Threshold)을 약간 높여 오작동 방지
+                if (x > 20f) {
+                    sendGestureToLauncher("/gesture/next")
+                } else if (x < -20f) {
+                    sendGestureToLauncher("/gesture/prev")
+                }
             }
-            lastX = x
         }
     }
     private fun sendGestureToLauncher(path: String) {