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);
+
+
+
+    }
+}
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