diff --git a/app/build.gradle b/app/build.gradle
index e59d80e..a4e42ae 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -50,6 +50,9 @@
     // DataBinding
     kapt "com.android.databinding:compiler:3.0.0"
 
+    // AndroidDesignSupportLibrary
+    implementation "com.android.support:design:26.1.0"
+
     // Android Architecture Components for Lifecycles, LiveData, and ViewModel
     implementation "android.arch.lifecycle:runtime:1.0.3"
     implementation "android.arch.lifecycle:extensions:1.0.0-rc1"
diff --git a/app/src/main/kotlin/jackall/moncalc/utils/ServiceUtil.kt b/app/src/main/kotlin/jackall/moncalc/utils/ServiceUtil.kt
new file mode 100644
index 0000000..1147f1e
--- /dev/null
+++ b/app/src/main/kotlin/jackall/moncalc/utils/ServiceUtil.kt
@@ -0,0 +1,22 @@
+package jackall.moncalc.utils
+
+import android.app.ActivityManager
+import android.content.Context
+import jackall.moncalc.service.MainService
+
+/**
+ * Created by matsumoto_k on 2017/11/03.
+ */
+class ServiceUtil {
+    companion object {
+        fun isMainServiceRunning(context: Context): Boolean {
+            val manager = context.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
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt b/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt
index f864cef..2c80d71 100644
--- a/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt
+++ b/app/src/main/kotlin/jackall/moncalc/viewmodel/MainViewModel.kt
@@ -2,17 +2,47 @@
 
 import android.arch.lifecycle.ViewModel
 import android.arch.lifecycle.ViewModelProvider
+import android.content.Context
+import android.content.Intent
+import android.databinding.ObservableField
+import android.view.View
+import jackall.moncalc.service.MainService
+import jackall.moncalc.utils.ServiceUtil.Companion.isMainServiceRunning
 
 /**
  * MainActivityのViewModel.
  *
  * Created by matsumoto_k on 2017/11/01.
  */
-class MainViewModel : LifecycleViewModel() {
+class MainViewModel(val context: Context) : LifecycleViewModel() {
+    val serviceButtonText = ObservableField<String>("")
+    val serviceIntent by lazy {
+        val intent = Intent(context, MainService::class.java)
+        intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        intent
+    }
 
-    class Factory() : ViewModelProvider.NewInstanceFactory() {
+    init {
+        if (isMainServiceRunning(context)) {
+            serviceButtonText.set("常駐終了")
+        } else {
+            serviceButtonText.set("常駐開始")
+        }
+    }
+
+    class Factory(val context: Context) : ViewModelProvider.NewInstanceFactory() {
         override fun <T : ViewModel?> create(modelClass: Class<T>): T {
-            return MainViewModel() as T
+            return MainViewModel(context) as T
+        }
+    }
+
+    fun onClickServiceButton(view: View) {
+        if (!isMainServiceRunning(context)) {
+            context.startService(serviceIntent)
+            serviceButtonText.set("常駐終了")
+        } else {
+            context.stopService(serviceIntent)
+            serviceButtonText.set("常駐開始")
         }
     }
 }
\ 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 5ae9ae2..8ff472d 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android">
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <data>
 
@@ -12,5 +13,31 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <Button
+            android:id="@+id/start_service_button"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:onClick="@{mainViewModel.onClickServiceButton}"
+            android:text="@={mainViewModel.serviceButtonText}"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent" />
+
+        <android.support.design.widget.TabLayout
+            android:id="@+id/main_tab_layout"
+            android:layout_width="match_parent"
+            android:layout_height="50dp" />
+
+        <android.support.v4.view.ViewPager
+            android:id="@+id/main_view_pager"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toTopOf="@+id/start_service_button"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/main_tab_layout">
+
+        </android.support.v4.view.ViewPager>
+
     </android.support.constraint.ConstraintLayout>
 </layout>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 3ab3e9c..1c4f186 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="colorPrimary">#3F51B5</color>
-    <color name="colorPrimaryDark">#303F9F</color>
-    <color name="colorAccent">#FF4081</color>
+    <color name="colorPrimaryDark">#000000</color>
+    <color name="colorAccent">#000000</color>
 </resources>