diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 9156e1a..a2d6765 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,6 +18,8 @@
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+
+
         </activity>
     </application>
 
diff --git a/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java b/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java
new file mode 100644
index 0000000..7b0fb26
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/OwnerRoomActivity.java
@@ -0,0 +1,52 @@
+package org.ntlab.irisclient;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+import java.util.Locale;
+
+public class OwnerRoomActivity extends AppCompatActivity {
+
+//    private final String[] dataset = new String[20];
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_owner_room);
+
+        //上のバーを消す
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.hide();
+        }
+
+//        RecyclerView recyclerView = findViewById(R.id.my_recycler_view);
+//
+//        // use this setting to improve performance if you know that changes
+//        // in content do not change the layout size of the RecyclerView
+//        recyclerView.setHasFixedSize(true);
+//
+//        // use a linear layout manager
+//        RecyclerView.LayoutManager rLayoutManager = new LinearLayoutManager(this);
+//
+//        recyclerView.setLayoutManager(rLayoutManager);
+//
+//        int i = 0;
+//        while (i < 10) {
+//            dataset[i] = String.format(Locale.ENGLISH, "Data_0%d", i);
+//            i++;
+//        }
+//
+//        MyAdapter adapter = new MyAdapter(dataset);
+//        recyclerView.setAdapter(adapter);
+
+
+
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/copy_icon.png b/app/src/main/res/drawable/copy_icon.png
new file mode 100644
index 0000000..efd4310
--- /dev/null
+++ b/app/src/main/res/drawable/copy_icon.png
Binary files differ
diff --git a/app/src/main/res/layout/activity_owner_room.xml b/app/src/main/res/layout/activity_owner_room.xml
new file mode 100644
index 0000000..3d8d964
--- /dev/null
+++ b/app/src/main/res/layout/activity_owner_room.xml
@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.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"
+    tools:context=".OwnerRoomActivity">
+
+    <ImageView
+        android:id="@+id/imageView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.333"
+        app:layout_constraintStart_toEndOf="@+id/textView"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.042"
+        app:srcCompat="@android:drawable/btn_star_big_on" />
+
+    <Button
+        android:id="@+id/red_spy"
+        android:layout_width="150dp"
+        android:layout_height="80dp"
+        android:backgroundTint="#FF0000"
+        android:text="スパイマスターとして参加する"
+        android:textColor="#FFFFFF"
+        android:visibility="visible"
+        app:layout_constraintBottom_toTopOf="@+id/red_agent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.64"
+        app:strokeColor="#FA2323"
+        tools:visibility="visible" />
+
+    <Button
+        android:id="@+id/red_agent"
+        android:layout_width="150dp"
+        android:layout_height="80dp"
+        android:layout_marginBottom="32dp"
+        android:backgroundTint="#FF0000"
+        android:text="諜報員として参加する"
+        app:layout_constraintBottom_toTopOf="@+id/blue_spy"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.502"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Button
+        android:id="@+id/blue_spy"
+        android:layout_width="150dp"
+        android:layout_height="80dp"
+        android:backgroundTint="#0000FF"
+        android:text="スパイマスターとして参加する"
+        app:layout_constraintBottom_toTopOf="@+id/blue_agent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.501"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Button
+        android:id="@+id/blue_agent"
+        android:layout_width="150dp"
+        android:layout_height="80dp"
+        android:layout_marginBottom="16dp"
+        android:backgroundTint="#0000FF"
+        android:text="諜報員として参加する"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.502"
+        app:layout_constraintStart_toStartOf="parent" />
+
+    <Button
+        android:id="@+id/random"
+        android:layout_width="110dp"
+        android:layout_height="50dp"
+        android:backgroundTint="#7C7C7C"
+        android:text="ランダム"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/start"
+        app:layout_constraintHorizontal_bias="0.966"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.933" />
+
+    <Button
+        android:id="@+id/start"
+        android:layout_width="110dp"
+        android:layout_height="50dp"
+        android:backgroundTint="#7A7A7A"
+        android:text="ゲーム開始"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.974"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.933" />
+
+    <ImageView
+        android:id="@+id/imageView2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.038"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.052"
+        app:srcCompat="@android:drawable/btn_star_big_on" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="部屋： 123456"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.865"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.042" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/recycler_view_item.xml b/app/src/main/res/layout/recycler_view_item.xml
new file mode 100644
index 0000000..87ae671
--- /dev/null
+++ b/app/src/main/res/layout/recycler_view_item.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.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="wrap_content">
+
+  <ImageView
+      android:id="@+id/imageView2"
+      android:layout_width="50dp"
+      android:layout_height="50dp"
+      tools:src="@tools:sample/avatars"
+      app:layout_constraintStart_toStartOf="parent"
+      android:layout_marginStart="8dp"
+      app:layout_constraintTop_toTopOf="parent"
+      android:layout_marginTop="8dp" />
+
+  <TextView
+      android:id="@+id/textView"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      tools:text="@tools:sample/full_names"
+      android:textSize="20sp"
+      android:textColor="@android:color/black"
+      app:layout_constraintTop_toTopOf="@+id/imageView2"
+      app:layout_constraintStart_toEndOf="@+id/imageView2"
+      android:layout_marginStart="8dp"
+      android:layout_marginBottom="8dp"
+      app:layout_constraintBottom_toTopOf="@+id/textView2" />
+
+  <TextView
+      android:id="@+id/textView2"
+      android:layout_width="285dp"
+      android:layout_height="20dp"
+      tools:text="@tools:sample/lorem[4:10]"
+      app:layout_constraintBottom_toBottomOf="@+id/imageView2"
+      app:layout_constraintStart_toEndOf="@+id/imageView2"
+      android:layout_marginStart="8dp"
+      app:layout_constraintEnd_toEndOf="parent"
+      android:layout_marginEnd="8dp"
+      app:layout_constraintHorizontal_bias="0.050" />
+
+  <TextView
+      android:id="@+id/textView3"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      tools:text="@tools:sample/date/hhmm"
+      app:layout_constraintTop_toTopOf="@+id/imageView2"
+      app:layout_constraintEnd_toEndOf="parent"
+      android:layout_marginEnd="8dp" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/ids.xml b/app/src/main/res/values/ids.xml
new file mode 100644
index 0000000..d82ad3f
--- /dev/null
+++ b/app/src/main/res/values/ids.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="button" type="id" />
+</resources>
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 52f5917..b0b4cc4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xms512m -Xmx1024m
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects