diff --git a/app/src/main/java/com/example/cosmosclient/views/AddMemberActivity.java b/app/src/main/java/com/example/cosmosclient/views/AddMemberActivity.java
index 5ef1453..174c8e7 100644
--- a/app/src/main/java/com/example/cosmosclient/views/AddMemberActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/AddMemberActivity.java
@@ -19,8 +19,8 @@
 public class AddMemberActivity extends AppCompatActivity implements AdapterView.OnItemClickListener {
 
         private static final String[] scenes = {
-                "QRコードで追加",
-                "IDで追加",
+                "QRコードで招待",
+                "IDで招待",
                 "LINEで招待"
         };
 
@@ -64,11 +64,10 @@
             if(selectedText.contains("QR")==true){
                 intent = new Intent(this.getApplicationContext(), DisplayQRActivity.class);
             }else if(selectedText.contains("ID")==true){
-                intent = new Intent(this.getApplicationContext(), DisplayQRActivity.class);
-            }else{
+                intent = new Intent(this.getApplicationContext(), DisplayGroupIDActivity.class);
+            }else  if(selectedText.contains("LINE")==true){
 //                intent = new Intent(this.getApplicationContext(), DisplayQRActivity.class);
-                Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse("line://msg/text/?GroupID"));
-                startActivity(i);
+                intent = new Intent(Intent.ACTION_VIEW, Uri.parse("line://msg/text/?GroupID"));
             }
 
 //            Intent intent = new Intent(this.getApplicationContext(), DisplayQRActivity.class);
diff --git a/app/src/main/java/com/example/cosmosclient/views/DisplayGroupIDActivity.java b/app/src/main/java/com/example/cosmosclient/views/DisplayGroupIDActivity.java
new file mode 100644
index 0000000..ae27d18
--- /dev/null
+++ b/app/src/main/java/com/example/cosmosclient/views/DisplayGroupIDActivity.java
@@ -0,0 +1,33 @@
+package com.example.cosmosclient.views;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import com.example.cosmosclient.R;
+import com.example.cosmosclient.app.Cosmos;
+import com.example.cosmosclient.entities.Group;
+
+public class DisplayGroupIDActivity extends AppCompatActivity {
+
+
+    //    EditText.set;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_display_group_id);
+
+        //読み取り専用にする設定
+        EditText groupID = (EditText)findViewById(R.id.groupID);
+
+//        //現在のグループ情報を格納しているものからgIdを取得
+//        Cosmos app = (Cosmos) getApplication();
+//        Group curentGroup = app.getCurentGroup();
+//        //元となるgIdを取得完了
+//        String gId = curentGroup.getgId();
+        String gId = "vrehngortis";
+        groupID.setText(gId);
+
+    }
+}
diff --git a/app/src/main/res/layout/activity_add_member.xml b/app/src/main/res/layout/activity_add_member.xml
index 7274a61..242f8aa 100644
--- a/app/src/main/res/layout/activity_add_member.xml
+++ b/app/src/main/res/layout/activity_add_member.xml
@@ -18,8 +18,8 @@
         tools:layout_editor_absoluteX="0dp" />
 
     <LinearLayout
-        android:layout_width="416dp"
-        android:layout_height="500dp"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         android:layout_marginTop="8dp"
         android:layout_marginBottom="8dp"
         android:orientation="vertical"
diff --git a/app/src/main/res/layout/activity_display_group_id.xml b/app/src/main/res/layout/activity_display_group_id.xml
new file mode 100644
index 0000000..43bd3ae
--- /dev/null
+++ b/app/src/main/res/layout/activity_display_group_id.xml
@@ -0,0 +1,52 @@
+<?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"
+    tools:context=".views.DisplayGroupIDActivity">
+
+    <TextView
+        android:id="@+id/groupName"
+        android:layout_width="match_parent"
+        android:layout_height="75dp"
+        android:background="#e6eae3"
+        android:gravity="center"
+        android:text="家族用　グループ"
+        android:textSize="24sp"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:layout_editor_absoluteX="16dp" />
+
+    <EditText
+        android:id="@+id/groupID"
+        android:layout_width="207dp"
+        android:layout_height="45dp"
+        android:layout_marginStart="56dp"
+        android:layout_marginLeft="56dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:ems="10"
+        android:gravity="center"
+        android:inputType="textPersonName"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/copy_Button"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/groupName"
+        app:layout_constraintVertical_bias="0.378" />
+
+    <Button
+        android:id="@+id/copy_Button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="36dp"
+        android:layout_marginRight="36dp"
+        android:layout_marginBottom="8dp"
+        android:text="コピー"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.445" />
+
+
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_join_group_actions.xml b/app/src/main/res/layout/activity_join_group_actions.xml
index 1fb2b70..2fbf70f 100644
--- a/app/src/main/res/layout/activity_join_group_actions.xml
+++ b/app/src/main/res/layout/activity_join_group_actions.xml
@@ -9,11 +9,8 @@
 
     <ListView
         android:id="@+id/list_view_join"
-        android:layout_width="395dp"
-        android:layout_height="640dp"
-        android:layout_marginTop="24dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginRight="8dp"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         app:layout_behavior="@string/appbar_scrolling_view_behavior"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"