diff --git a/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt b/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
index ad79a60..4f5c828 100644
--- a/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
+++ b/app/src/main/kotlin/jackall/moncalc/activity/MainActivity.kt
@@ -1,13 +1,42 @@
 package jackall.moncalc.activity
 
+import android.app.ActivityManager
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import jackall.moncalc.R
+import jackall.moncalc.service.MainService
+import kotlinx.android.synthetic.main.activity_main.*
+
 
 class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+
+        // TODO:レイアウトを決めてdatbinding,viewModelProvidersを有効にする
+        val intent = Intent(this, MainService::class.java)
+
+        start_service_btn.setOnClickListener {
+            if (!isMainServiceRunning())
+                startService(intent)
+        }
+
+        stop_service_btn.setOnClickListener {
+            if (isMainServiceRunning())
+                stopService(intent)
+        }
+    }
+
+    private fun isMainServiceRunning(): Boolean {
+        val manager = getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
+        for (serviceInfo in manager.getRunningServices(Integer.MAX_VALUE)) {
+            if (MainService::class.java.getName() == serviceInfo.service.className) {
+                return true
+            }
+        }
+        return false
     }
 }
diff --git a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
index 737aae0..05d248d 100644
--- a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
+++ b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
@@ -169,9 +169,17 @@
         }
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        if (moveOverlayView.isShown) {
+            windowManager.removeView(moveOverlayView)
+        }
+        if (moveOverlayView.isShown) {
+            windowManager.removeView(moveOverlayView)
+        }
+    }
+
     override fun onBind(intent: Intent?): IBinder? {
         return null
     }
-
-
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 334fc21..345feec 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -6,13 +6,24 @@
     android:layout_height="match_parent"
     tools:context="jackall.moncalc.activity.MainActivity">
 
-    <TextView
+    <Button
+        android:id="@+id/start_service_btn"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:text="startservice"
+        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <Button
+        android:id="@+id/stop_service_btn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:text="stopService"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/start_service_btn" />
+
 </android.support.constraint.ConstraintLayout>