diff --git a/app/src/main/kotlin/jackall/overlaymulticounter/activity/MainActivity.kt b/app/src/main/kotlin/jackall/overlaymulticounter/activity/MainActivity.kt
index 1d02b95..9495e86 100644
--- a/app/src/main/kotlin/jackall/overlaymulticounter/activity/MainActivity.kt
+++ b/app/src/main/kotlin/jackall/overlaymulticounter/activity/MainActivity.kt
@@ -1,18 +1,26 @@
 package jackall.overlaymulticounter.activity
 
-import android.content.Intent
+import android.arch.lifecycle.ViewModelProviders
+import android.databinding.DataBindingUtil
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import jackall.overlaymulticounter.R
+import jackall.overlaymulticounter.databinding.ActivityMainBinding
 import jackall.overlaymulticounter.db.CounterRealmHelper
-import jackall.overlaymulticounter.service.MainService
+import jackall.overlaymulticounter.viewmodel.MainViewModel
 import jackall.overlaymulticounter.vo.Counter
 
 class MainActivity : AppCompatActivity() {
 
+    lateinit var binding: ActivityMainBinding
+    lateinit var mainViewModel: MainViewModel
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
+
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
+        mainViewModel = ViewModelProviders.of(this, MainViewModel.Factory()).get(MainViewModel::class.java)
+        binding.mainViewModel = mainViewModel
 
         if (CounterRealmHelper().getNextId() == 0) {
             CounterRealmHelper().insert(
@@ -21,8 +29,5 @@
                             0)
             )
         }
-
-        // TODO: RuntimePermissionの処理
-        startService(Intent(this, MainService::class.java))
     }
 }