diff --git a/app/src/main/java/keijumt/todoapp/MainActivity.kt b/app/src/main/java/keijumt/todoapp/MainActivity.kt
index 82cf3bd..6476b18 100644
--- a/app/src/main/java/keijumt/todoapp/MainActivity.kt
+++ b/app/src/main/java/keijumt/todoapp/MainActivity.kt
@@ -1,17 +1,30 @@
 package keijumt.todoapp
 
+import android.arch.lifecycle.ViewModelProviders
+import android.databinding.DataBindingUtil
 import android.os.Bundle
 import android.support.v4.app.Fragment
 import dagger.android.AndroidInjector
 import dagger.android.support.HasSupportFragmentInjector
 import keijumt.todoapp.activity.BaseActivity
+import keijumt.todoapp.databinding.ActivityMainBinding
 import keijumt.todoapp.di.Injectable
+import keijumt.todoapp.viewmodel.MainViewModel
 
+/**
+ * メイン画面のActivity
+ * Created by matsumoto_k on 2018/03/06.
+ */
 class MainActivity : BaseActivity(), HasSupportFragmentInjector, Injectable {
 
+    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, viewModelFactory).get(MainViewModel::class.java)
+        lifecycle.addObserver(mainViewModel)
     }
 
     override fun supportFragmentInjector(): AndroidInjector<Fragment> {
diff --git a/app/src/main/java/keijumt/todoapp/viewmodel/BaseViewModel.kt b/app/src/main/java/keijumt/todoapp/viewmodel/BaseViewModel.kt
new file mode 100644
index 0000000..dcad4c4
--- /dev/null
+++ b/app/src/main/java/keijumt/todoapp/viewmodel/BaseViewModel.kt
@@ -0,0 +1,36 @@
+package keijumt.todoapp.viewmodel
+
+import android.arch.lifecycle.Lifecycle
+import android.arch.lifecycle.LifecycleObserver
+import android.arch.lifecycle.OnLifecycleEvent
+import android.arch.lifecycle.ViewModel
+
+/**
+ * ViewModelの基底クラス
+ * Created by matsumoto_k on 2018/03/06.
+ */
+abstract class BaseViewModel : ViewModel(), LifecycleObserver {
+    @OnLifecycleEvent(Lifecycle.Event.ON_CREATE)
+    open fun onCreate() {
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_START)
+    open fun onStart() {
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
+    open fun onResume() {
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
+    open fun onPause() {
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    open fun onStop() {
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    open fun onDestroy() {
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/keijumt/todoapp/viewmodel/MainViewModel.kt b/app/src/main/java/keijumt/todoapp/viewmodel/MainViewModel.kt
index 2e2ac3c..5106bde 100644
--- a/app/src/main/java/keijumt/todoapp/viewmodel/MainViewModel.kt
+++ b/app/src/main/java/keijumt/todoapp/viewmodel/MainViewModel.kt
@@ -1,11 +1,10 @@
 package keijumt.todoapp.viewmodel
 
-import android.arch.lifecycle.LifecycleObserver
-import android.arch.lifecycle.ViewModel
 import javax.inject.Inject
 
 /**
+ * メイン画面のViewModel
  * Created by matsumoto_k on 2018/03/06.
  */
-class MainViewModel @Inject constructor() : ViewModel(), LifecycleObserver {
+class MainViewModel @Inject constructor() : BaseViewModel() {
 }
\ 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 ae843ab..25ca29b 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,6 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+<layout xmlns:android="http://schemas.android.com/apk/res/android">
 
-</android.support.constraint.ConstraintLayout>
\ No newline at end of file
+    <data>
+
+        <variable
+            name="viewModel"
+            type="keijumt.todoapp.viewmodel.MainViewModel" />
+    </data>
+
+    <android.support.constraint.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+    </android.support.constraint.ConstraintLayout>
+</layout>
\ No newline at end of file