diff --git a/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java b/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java
index c6fe679..df0f054 100644
--- a/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/JoinGroupByIDActivity.java
@@ -11,6 +11,7 @@
 
 import com.example.cosmosclient.R;
 import com.example.cosmosclient.app.Cosmos;
+import com.example.cosmosclient.entities.Group;
 import com.example.cosmosclient.entities.JoinGroupResponse;
 import com.example.cosmosclient.resources.JoinGroupRest;
 
@@ -45,11 +46,21 @@
                 //interfaceから実装を取得
                 JoinGroupRest joinGroupService = retrofit.create(JoinGroupRest.class);
 
-                String gid="qwer";
-                String uid="asdf";
+
+                //* 必要値取得 *//
+                //現在のグループ情報を格納しているものからuid,tokenを取得
+//                Cosmos app = (Cosmos) getApplication();
+                //元となるgId,uid,tokenを取得完了
+//                String gId = GroupID;
+//                String uId=app.getuId();
+//                String token=app.getToken();
+
+                //テスト値
+                String gId="qwer";
+                String uId="asdf";
                 String token="sggh";
                 //API呼び出しのための値入力
-                Call<JoinGroupResponse> call = joinGroupService.JoinGroup(gid, uid, token);
+                Call<JoinGroupResponse> call = joinGroupService.JoinGroup(gId, uId, token);
 
                 //サーバからデータ受け取り
                 call.enqueue(new Callback<JoinGroupResponse>() {