diff --git a/app/src/main/java/com/example/cosmosclient/views/GroupList.java b/app/src/main/java/com/example/cosmosclient/views/GroupList.java
new file mode 100644
index 0000000..b512f02
--- /dev/null
+++ b/app/src/main/java/com/example/cosmosclient/views/GroupList.java
@@ -0,0 +1,109 @@
+package com.example.cosmosclient.views;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.view.View;
+import android.support.v4.view.GravityCompat;
+import android.support.v7.app.ActionBarDrawerToggle;
+import android.view.MenuItem;
+import android.support.design.widget.NavigationView;
+import android.support.v4.widget.DrawerLayout;
+
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.widget.TextView;
+
+import com.example.cosmosclient.R;
+
+public class GroupList extends AppCompatActivity
+        implements NavigationView.OnNavigationItemSelectedListener {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_group_list);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        /*とりあえずの画面遷移なので変更するかも*/
+        TextView group1 = findViewById(R.id.group1);
+        group1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent=new Intent(GroupList.this, com.example.cosmosclient.views.RequestListActivity.class);
+                startActivity(intent);
+            }
+        });
+
+        DrawerLayout drawer = findViewById(R.id.drawer_layout);
+        NavigationView navigationView = findViewById(R.id.nav_view);
+        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
+                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
+        drawer.addDrawerListener(toggle);
+        toggle.syncState();
+        navigationView.setNavigationItemSelectedListener(this);
+    }
+
+    @Override
+    public void onBackPressed() {
+        DrawerLayout drawer = findViewById(R.id.drawer_layout);
+        if (drawer.isDrawerOpen(GravityCompat.START)) {
+            drawer.closeDrawer(GravityCompat.START);
+        } else {
+            super.onBackPressed();
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.group_list, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @SuppressWarnings("StatementWithEmptyBody")
+    @Override
+    public boolean onNavigationItemSelected(MenuItem item) {
+        // Handle navigation view item clicks here.
+        int id = item.getItemId();
+        if ( id == R.id.createNewGroupButton){
+
+        }
+/*
+        if (id == R.id.nav_home) {
+            // Handle the camera action
+        } else if (id == R.id.nav_gallery) {
+
+        } else if (id == R.id.nav_slideshow) {
+
+        } else if (id == R.id.nav_tools) {
+
+        } else if (id == R.id.nav_share) {
+
+        } else if (id == R.id.nav_send) {
+
+        }
+*/
+        DrawerLayout drawer = findViewById(R.id.drawer_layout);
+        drawer.closeDrawer(GravityCompat.START);
+        return true;
+    }
+}
diff --git a/app/src/main/java/com/example/cosmosclient/views/RequestList.java b/app/src/main/java/com/example/cosmosclient/views/RequestList.java
index 350626e..90411fe 100644
--- a/app/src/main/java/com/example/cosmosclient/views/RequestList.java
+++ b/app/src/main/java/com/example/cosmosclient/views/RequestList.java
@@ -2,3 +2,4 @@
 
 public class RequestList {
 }
+a
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_add_circle_black_24dp.xml b/app/src/main/res/drawable/ic_add_circle_black_24dp.xml
new file mode 100644
index 0000000..db4e035
--- /dev/null
+++ b/app/src/main/res/drawable/ic_add_circle_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM17,13h-4v4h-2v-4L7,13v-2h4L11,7h2v4h4v2z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_settings_black_24dp.xml b/app/src/main/res/drawable/ic_settings_black_24dp.xml
new file mode 100644
index 0000000..24a5623
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M19.1,12.9a2.8,2.8 0,0 0,0.1 -0.9,2.8 2.8,0 0,0 -0.1,-0.9l2.1,-1.6a0.7,0.7 0,0 0,0.1 -0.6L19.4,5.5a0.7,0.7 0,0 0,-0.6 -0.2l-2.4,1a6.5,6.5 0,0 0,-1.6 -0.9l-0.4,-2.6a0.5,0.5 0,0 0,-0.5 -0.4H10.1a0.5,0.5 0,0 0,-0.5 0.4L9.3,5.4a5.6,5.6 0,0 0,-1.7 0.9l-2.4,-1a0.4,0.4 0,0 0,-0.5 0.2l-2,3.4c-0.1,0.2 0,0.4 0.2,0.6l2,1.6a2.8,2.8 0,0 0,-0.1 0.9,2.8 2.8,0 0,0 0.1,0.9L2.8,14.5a0.7,0.7 0,0 0,-0.1 0.6l1.9,3.4a0.7,0.7 0,0 0,0.6 0.2l2.4,-1a6.5,6.5 0,0 0,1.6 0.9l0.4,2.6a0.5,0.5 0,0 0,0.5 0.4h3.8a0.5,0.5 0,0 0,0.5 -0.4l0.3,-2.6a5.6,5.6 0,0 0,1.7 -0.9l2.4,1a0.4,0.4 0,0 0,0.5 -0.2l2,-3.4c0.1,-0.2 0,-0.4 -0.2,-0.6ZM12,15.6A3.6,3.6 0,1 1,15.6 12,3.6 3.6,0 0,1 12,15.6Z"/>
+</vector>
diff --git a/app/src/main/res/layout/activity_group_list.xml b/app/src/main/res/layout/activity_group_list.xml
new file mode 100644
index 0000000..b7c7ae7
--- /dev/null
+++ b/app/src/main/res/layout/activity_group_list.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/drawer_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:openDrawer="start">
+
+    <include
+        layout="@layout/app_bar_group_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <android.support.design.widget.NavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="start"
+        android:fitsSystemWindows="true"
+        app:headerLayout="@layout/nav_header_group_list"
+        app:menu="@menu/activity_group_list_drawer" />
+
+</android.support.v4.widget.DrawerLayout>
diff --git a/app/src/main/res/layout/app_bar_group_list.xml b/app/src/main/res/layout/app_bar_group_list.xml
new file mode 100644
index 0000000..2cecaa1
--- /dev/null
+++ b/app/src/main/res/layout/app_bar_group_list.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".views.GroupList">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <include layout="@layout/content_group_list" />
+
+</android.support.design.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/content_group_list.xml b/app/src/main/res/layout/content_group_list.xml
new file mode 100644
index 0000000..0cd1e28
--- /dev/null
+++ b/app/src/main/res/layout/content_group_list.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:context=".views.GroupList"
+    tools:showIn="@layout/app_bar_group_list">
+
+    <GridView
+        android:id="@+id/GroupList"
+        android:layout_width="419dp"
+        android:layout_height="234dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:numColumns="2"
+        android:visibility="invisible"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <TextView
+        android:id="@+id/group1"
+        android:layout_width="165dp"
+        android:layout_height="117dp"
+        android:layout_marginStart="28dp"
+        android:layout_marginLeft="28dp"
+        android:layout_marginTop="28dp"
+        android:background="#FBFCC3"
+        android:text="group1"
+        android:textAllCaps="false"
+        android:textColorHint="@android:color/transparent"
+        android:textSize="24sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <CheckBox
+        android:id="@+id/checkBox"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="object1"
+        app:layout_constraintBottom_toBottomOf="@+id/group1"
+        app:layout_constraintEnd_toEndOf="@+id/group1"
+        app:layout_constraintHorizontal_bias="0.246"
+        app:layout_constraintStart_toStartOf="@+id/group1"
+        app:layout_constraintTop_toTopOf="@+id/group1"
+        app:layout_constraintVertical_bias="0.341" />
+
+    <CheckBox
+        android:id="@+id/checkBox2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="object2"
+        app:layout_constraintEnd_toEndOf="@+id/checkBox"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="@+id/checkBox"
+        app:layout_constraintTop_toBottomOf="@+id/checkBox" />
+
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/nav_header_group_list.xml b/app/src/main/res/layout/nav_header_group_list.xml
new file mode 100644
index 0000000..4c3439a
--- /dev/null
+++ b/app/src/main/res/layout/nav_header_group_list.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/nav_header_height"
+    android:background="@drawable/side_nav_bar"
+    android:gravity="bottom"
+    android:orientation="vertical"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:theme="@style/ThemeOverlay.AppCompat.Dark">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription="@string/nav_header_desc"
+        android:paddingTop="@dimen/nav_header_vertical_spacing"
+        app:srcCompat="@mipmap/ic_launcher_round" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="@dimen/nav_header_vertical_spacing"
+        android:text="@string/nav_header_title"
+        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/nav_header_subtitle" />
+
+</LinearLayout>
diff --git a/app/src/main/res/menu/activity_group_list_drawer.xml b/app/src/main/res/menu/activity_group_list_drawer.xml
new file mode 100644
index 0000000..45f9007
--- /dev/null
+++ b/app/src/main/res/menu/activity_group_list_drawer.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:showIn="navigation_view">
+
+    <group android:checkableBehavior="single">
+        <!--
+        <item
+            android:id="@+id/nav_home"
+            android:icon="@drawable/ic_menu_camera"
+            android:title="@string/menu_home" />
+        <item
+            android:id="@+id/nav_gallery"
+            android:icon="@drawable/ic_menu_gallery"
+            android:title="@string/menu_gallery" />
+        <item
+            android:id="@+id/nav_slideshow"
+            android:icon="@drawable/ic_menu_slideshow"
+            android:title="@string/menu_slideshow" />
+        <item
+            android:id="@+id/nav_tools"
+            android:icon="@drawable/ic_menu_manage"
+            android:title="@string/menu_tools" />
+            -->
+    </group>
+
+    <item android:title="Communicate">
+        <menu>
+            <!--
+            <item
+                android:id="@+id/nav_share"
+                android:icon="@drawable/ic_menu_share"
+                android:title="@string/menu_share" />
+            <item
+                android:id="@+id/nav_send"
+                android:icon="@drawable/ic_menu_send"
+                android:title="@string/menu_send" />
+                -->
+        </menu>
+    </item>
+    <item
+        android:id="@+id/createNewGroupButton"
+        android:icon="@drawable/ic_add_circle_black_24dp"
+        android:title="新規グループ作成" />
+
+</menu>
diff --git a/app/src/main/res/menu/group_list.xml b/app/src/main/res/menu/group_list.xml
new file mode 100644
index 0000000..492cda4
--- /dev/null
+++ b/app/src/main/res/menu/group_list.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_settings"
+        android:icon="@drawable/ic_settings_black_24dp"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="never" />
+</menu>
diff --git a/app/src/main/res/values-v21/styles.xml b/app/src/main/res/values-v21/styles.xml
new file mode 100644
index 0000000..fd7a058
--- /dev/null
+++ b/app/src/main/res/values-v21/styles.xml
@@ -0,0 +1,8 @@
+<resources>
+
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+    </style>
+</resources>