diff --git a/app/src/main/kotlin/jackall/moncalc/common/PreferenceKeys.kt b/app/src/main/kotlin/jackall/moncalc/common/PreferenceKeys.kt
index 667d37f..ba24b0f 100644
--- a/app/src/main/kotlin/jackall/moncalc/common/PreferenceKeys.kt
+++ b/app/src/main/kotlin/jackall/moncalc/common/PreferenceKeys.kt
@@ -6,5 +6,6 @@
  * Created by matsumoto_k on 2017/11/01.
  */
 enum class PreferenceKeys(val preferenceNames: PreferenceNames, val valueClass: Class<*>, val key: String) {
-
+    VIEWX(PreferenceNames.CONFIG, Int::class.java, "viewX"),
+    VIEWY(PreferenceNames.CONFIG, Int::class.java, "viewY")
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
index 475602b..c91094b 100644
--- a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
+++ b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
@@ -11,12 +11,16 @@
 import android.view.*
 import jackall.moncalc.Const
 import jackall.moncalc.R
+import jackall.moncalc.common.PreferenceKeys
+import jackall.moncalc.common.PreferenceNames
+import jackall.moncalc.utils.MySharedPref
 
 /**
  * Created by matsumoto_k on 2017/11/01.
  */
 class MainService : Service() {
 
+    val mySharedPref by lazy { MySharedPref(this, PreferenceNames.CONFIG) }
     val overlayView: ViewGroup by lazy { LayoutInflater.from(this).inflate(R.layout.overlay_layout, null) as ViewGroup }
     val windowManager: WindowManager by lazy { applicationContext.getSystemService(Context.WINDOW_SERVICE) as WindowManager }
     var params: WindowManager.LayoutParams? = null
@@ -64,6 +68,9 @@
                     PixelFormat.TRANSLUCENT)
         }
 
+        params?.x = mySharedPref.getValue(PreferenceKeys.VIEWX, Int::class.java, 0) as Int
+        params?.y = mySharedPref.getValue(PreferenceKeys.VIEWY, Int::class.java, 0) as Int
+
         windowManager.addView(overlayView, params)
     }
 
@@ -95,7 +102,8 @@
 
                         MotionEvent.ACTION_UP -> {
                             if (isLongClick) {
-
+                                mySharedPref.putValue(PreferenceKeys.VIEWX, Int::class.java, params?.x ?: 0)
+                                mySharedPref.putValue(PreferenceKeys.VIEWY, Int::class.java, params?.y ?: 0)
                             }
                             isLongClick = false
                         }