diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c1f857d..954b995 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,12 +4,14 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <application
+        android:name=".Iris"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:usesCleartextTraffic="true"
+        android:inputType="text"
         android:theme="@style/Theme.IrisClient">
         <activity
             android:name=".MainActivity"
diff --git a/app/src/main/java/org/ntlab/irisclient/EnterRoomActivity.java b/app/src/main/java/org/ntlab/irisclient/EnterRoomActivity.java
index 843db17..db359eb 100644
--- a/app/src/main/java/org/ntlab/irisclient/EnterRoomActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/EnterRoomActivity.java
@@ -71,11 +71,13 @@
                                 Intent intent = new Intent(EnterRoomActivity.this,MemberRoomActivity.class);
                                 intent.putExtra("nickname", name);
                                 startActivity(intent);
+                            }else {
+                                Snackbar.make(v, "部屋に同名のプレイヤーがいるか、満席です。", Snackbar.LENGTH_LONG).show();
                             }
                         }
 
                         @Override
-                        public void onFailure(Call<RoomJson> call, Throwable t) {
+                        public void onFailure(Call<RoomJson> call, Throwable t){
 
                         }
                     });
diff --git a/app/src/main/java/org/ntlab/irisclient/Iris.java b/app/src/main/java/org/ntlab/irisclient/Iris.java
new file mode 100644
index 0000000..05117ed
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/Iris.java
@@ -0,0 +1,31 @@
+package org.ntlab.irisclient;
+
+import android.app.Application;
+import org.ntlab.irisclient.entities.RoomJson;
+import org.ntlab.irisclient.models.Member;
+
+
+public class Iris extends Application {
+    private String rid;
+    private String nickname;
+    //----------------------------------------------------------
+    // getter
+    public String getRid() {
+        return this.rid;
+    }
+
+    public String getNickname() {
+        return this.nickname;
+    }
+
+    //----------------------------------------------------------
+    // setter
+    public void setRid(String rid) {
+        this.rid = rid;
+    }
+
+    public void setNickname(String nickname) {
+        this.nickname = nickname;
+    }
+
+}