diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6ff7882..c97f5a4 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="keijumt.devandroid">
 
     <application
@@ -9,8 +10,11 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
-        <activity android:name=".activity.ApiActivity">
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
+        <activity android:name=".activity.ApiActivity" />
+
+        <activity android:name=".activity.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/keijumt/devandroid/activity/MainActivity.kt b/app/src/main/java/keijumt/devandroid/activity/MainActivity.kt
new file mode 100644
index 0000000..97fdcf6
--- /dev/null
+++ b/app/src/main/java/keijumt/devandroid/activity/MainActivity.kt
@@ -0,0 +1,12 @@
+package keijumt.devandroid.activity
+
+import android.os.Bundle
+import keijumt.devandroid.R
+
+class MainActivity : BaseActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/keijumt/devandroid/di/module/ActivityModule.kt b/app/src/main/java/keijumt/devandroid/di/module/ActivityModule.kt
index 428579f..88c5b17 100644
--- a/app/src/main/java/keijumt/devandroid/di/module/ActivityModule.kt
+++ b/app/src/main/java/keijumt/devandroid/di/module/ActivityModule.kt
@@ -3,6 +3,7 @@
 import dagger.Module
 import dagger.android.ContributesAndroidInjector
 import keijumt.devandroid.activity.ApiActivity
+import keijumt.devandroid.activity.MainActivity
 
 /**
  * Module: Activity 定義
@@ -11,6 +12,9 @@
 internal abstract class ActivityModule {
 
     @ContributesAndroidInjector(modules = arrayOf(FragmentModule::class))
+    internal abstract fun mainActivity(): MainActivity
+
+    @ContributesAndroidInjector(modules = arrayOf(FragmentModule::class))
     internal abstract fun apiActivity(): ApiActivity
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/keijumt/devandroid/di/module/FragmentModule.kt b/app/src/main/java/keijumt/devandroid/di/module/FragmentModule.kt
index ae8e328..fd01ee7 100644
--- a/app/src/main/java/keijumt/devandroid/di/module/FragmentModule.kt
+++ b/app/src/main/java/keijumt/devandroid/di/module/FragmentModule.kt
@@ -3,6 +3,7 @@
 import dagger.Module
 import dagger.android.ContributesAndroidInjector
 import keijumt.devandroid.fragment.ApiFragment
+import keijumt.devandroid.fragment.MainFragment
 
 /**
  * Module: Fragment 定義
@@ -11,6 +12,8 @@
 internal abstract class FragmentModule {
 
     @ContributesAndroidInjector
-    internal abstract fun apiFragment(): ApiFragment
+    internal abstract fun mainFragment(): MainFragment
 
+    @ContributesAndroidInjector
+    internal abstract fun apiFragment(): ApiFragment
 }
\ No newline at end of file
diff --git a/app/src/main/java/keijumt/devandroid/di/module/ViewModelModule.kt b/app/src/main/java/keijumt/devandroid/di/module/ViewModelModule.kt
index 63144ad..41c17ee 100644
--- a/app/src/main/java/keijumt/devandroid/di/module/ViewModelModule.kt
+++ b/app/src/main/java/keijumt/devandroid/di/module/ViewModelModule.kt
@@ -7,6 +7,7 @@
 import dagger.Module
 import dagger.multibindings.IntoMap
 import keijumt.devandroid.viewmodel.ApiViewModel
+import keijumt.devandroid.viewmodel.MainViewModel
 import keijumt.devandroid.viewmodel.ViewModelFactory
 import kotlin.reflect.KClass
 
@@ -24,6 +25,11 @@
 
     @Binds
     @IntoMap
+    @ViewModelKey(MainViewModel::class)
+    abstract fun bindMainViewModel(viewModel: MainViewModel): ViewModel
+
+    @Binds
+    @IntoMap
     @ViewModelKey(ApiViewModel::class)
     abstract fun bindApiViewModel(viewModel: ApiViewModel): ViewModel
 
diff --git a/app/src/main/java/keijumt/devandroid/fragment/MainFragment.kt b/app/src/main/java/keijumt/devandroid/fragment/MainFragment.kt
new file mode 100644
index 0000000..716a0cc
--- /dev/null
+++ b/app/src/main/java/keijumt/devandroid/fragment/MainFragment.kt
@@ -0,0 +1,40 @@
+package keijumt.devandroid.fragment
+
+import android.arch.lifecycle.Observer
+import android.arch.lifecycle.ViewModelProviders
+import android.content.Intent
+import android.databinding.DataBindingUtil
+import android.os.Bundle
+import android.support.v4.app.FragmentActivity
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import keijumt.devandroid.R
+import keijumt.devandroid.activity.ApiActivity
+import keijumt.devandroid.databinding.FragmentMainBinding
+import keijumt.devandroid.viewmodel.MainViewModel
+
+class MainFragment : BaseFragment() {
+
+    lateinit var binding: FragmentMainBinding
+    lateinit var mainViewModel: MainViewModel
+
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
+                              savedInstanceState: Bundle?): View? {
+        val nonNullActivity: FragmentActivity = activity ?: return null
+        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_main, null, false)
+        mainViewModel = ViewModelProviders.of(nonNullActivity, viewModelFactory).get(MainViewModel::class.java)
+        binding.mainViewModel = mainViewModel
+        subscribe()
+        return binding.root
+    }
+
+    fun subscribe() {
+        mainViewModel.event.observe(this, Observer {
+            when (it) {
+                MainViewModel.Event.Api -> startActivity(Intent(activity, ApiActivity::class.java))
+            }
+        })
+    }
+}
diff --git a/app/src/main/java/keijumt/devandroid/viewmodel/MainViewModel.kt b/app/src/main/java/keijumt/devandroid/viewmodel/MainViewModel.kt
new file mode 100644
index 0000000..ba37cf5
--- /dev/null
+++ b/app/src/main/java/keijumt/devandroid/viewmodel/MainViewModel.kt
@@ -0,0 +1,17 @@
+package keijumt.devandroid.viewmodel
+
+import keijumt.devandroid.databinding.SingleLiveEvent
+import javax.inject.Inject
+
+class MainViewModel @Inject constructor() : BaseViewModel() {
+
+    val event = SingleLiveEvent<Event>()
+
+    enum class Event {
+        Api
+    }
+
+    fun startApi() {
+        event.value = Event.Api
+    }
+}
\ 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
new file mode 100644
index 0000000..83ec583
--- /dev/null
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,12 @@
+<?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">
+
+    <fragment
+        android:id="@+id/fragment_main"
+        android:name="keijumt.devandroid.fragment.MainFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
new file mode 100644
index 0000000..e50ee8b
--- /dev/null
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <data>
+
+        <variable
+            name="mainViewModel"
+            type="keijumt.devandroid.viewmodel.MainViewModel" />
+    </data>
+
+    <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <Button
+            android:id="@+id/btn_start_api"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:onClick="@{() -> mainViewModel.startApi()}"
+            android:text="api"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </android.support.constraint.ConstraintLayout>
+</layout>
\ No newline at end of file