diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..691ca64
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,5 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0" is_locked="false">
+    <option name="myName" value="Project Default" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 36e3c17..6b9c2b8 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -5,6 +5,7 @@
       <map>
         <entry key="..\:/Users/Nitta/AndroidStudioProjects/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.20969202898550723" />
         <entry key="..\:/Users/Nitta/StudioProjects/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.266304347826087" />
+        <entry key="..\:/Users/student/StudioProjects/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.25" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout-land/activity_main.xml" value="0.1574074074074074" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/activity_main.xml" value="0.1859375" />
         <entry key="..\:/Users/student/Desktop/IrisClient/app/src/main/res/layout/activity_member_room.xml" value="0.25" />
@@ -12,7 +13,7 @@
       </map>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/README.md b/README.md
index b7c4911..b055679 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 IrisClient
 ===============
 
-Iris プロジェクトのアンドロイド用フロントエンド
\ No newline at end of file
+Iris プロジェクトのアンドロイド版フロントエンド
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 82a5add..b16f89b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,8 +12,8 @@
         android:theme="@style/Theme.IrisClient" >
         <activity
             android:name=".MainActivity"
-            android:exported="true"
-            android:screenOrientation="landscape" />
+            android:screenOrientation="landscape"
+            android:exported="true"/>
         <activity
             android:name=".MemberRoomActivity"
             android:screenOrientation="landscape"
diff --git a/app/src/main/java/org/ntlab/irisclient/MainActivity.java b/app/src/main/java/org/ntlab/irisclient/MainActivity.java
index 65ba731..9a29cff 100644
--- a/app/src/main/java/org/ntlab/irisclient/MainActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/MainActivity.java
@@ -1,5 +1,6 @@
 package org.ntlab.irisclient;
 
+import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
 
 import android.os.Bundle;
@@ -10,5 +11,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+
+        
     }
 }
\ No newline at end of file
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/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4fc2444..20424f1 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -6,13 +6,27 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
+    <Button
+        android:id="@+id/create_room"
+        android:layout_width="315dp"
+        android:layout_height="77dp"
+        android:text="ルームの作成"
+        android:textSize="24sp"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.26" />
 
+    <Button
+        android:id="@+id/entry_room"
+        android:layout_width="315dp"
+        android:layout_height="77dp"
+        android:text="ルームに入る"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/create_room"
+        app:layout_constraintVertical_bias="0.513" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
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/build.gradle b/build.gradle
index 7cbb664..ad7dc46 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:7.0.3"
+        classpath 'com.android.tools.build:gradle:7.2.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6fba98d..5285427 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Tue Jun 14 13:21:09 JST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME