diff --git a/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java b/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java
index ba4c58b..6f6458f 100644
--- a/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java
+++ b/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java
@@ -62,7 +62,7 @@
     //-----------------------------------------------------------------------------
     //各Activityでのボタン処理
     //チーム&マスター変更
-    public void changeTeamAndMaster(String rid,String nickname,String belongs,Boolean isMaster) {
+    public void changeBelongsAndMaster(String rid,String nickname,String belongs,Boolean isMaster) {
         final RoomsRest roomsRest = retrofit.create(RoomsRest.class);
         Call<String> call = roomsRest.putMember(rid,nickname,belongs,isMaster);
 
@@ -70,14 +70,32 @@
             @Override
             public void onResponse(Call<String> call, Response<String> response) {
                 if (response.isSuccessful()){
-                    //サーバーで返り値変更しておく（String→void)
-                    //return 変更しましたの返り値がどう、とかいうエラー起きる
+                    System.out.println("通信成功:changeBelongsAndMaster");
                 }
             }
             @Override
             public void onFailure(Call<String> call, Throwable t) {
-                //System.out.println("通信失敗");
-                //System.out.println(t);
+                System.out.println("通信失敗:changeBelongsAndMaster");
+                System.out.println(t);
+            }
+        });
+    }
+
+    public void startDrawing(String rid,String nickname) {
+        final RoomsRest roomsRest = retrofit.create(RoomsRest.class);
+        Call<Void> call = roomsRest.putState(rid,nickname,2);
+
+        call.enqueue(new Callback<Void>() {
+            @Override
+            public void onResponse(Call<Void> call, Response<Void> response) {
+                if (response.isSuccessful()){
+                    System.out.println("通信成功:startDrawing");
+                }
+            }
+            @Override
+            public void onFailure(Call<Void> call, Throwable t) {
+                System.out.println("通信失敗:startDrawing");
+                System.out.println(t);
             }
         });
     }