diff --git a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
index ede712b..b7687e0 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -4,10 +4,8 @@
 
 import com.example.cosmosclient.entities.AreaInformation;
 import com.example.cosmosclient.entities.Group;
-import com.example.cosmosclient.entities.Location;
 
-import java.util.HashMap;
-
+import java.util.Collection;
 import java.util.HashMap;
 
 public class Cosmos extends Application {
@@ -48,6 +46,10 @@
         return groups.get(gId);
     }
 
+    public Collection<Group> getGroups() {
+        return groups.values();
+    }
+
     //uId処理
     public void setuId(String uId){
         this.uId = uId;