diff --git a/.idea/misc.xml b/.idea/misc.xml
index 2091d3e..6ceea08 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -26,7 +26,7 @@
       </map>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/java/org/ntlab/irisclient/viewmodels/DrawingStateViewModel.java b/app/src/main/java/org/ntlab/irisclient/viewmodels/DrawingStateViewModel.java
new file mode 100644
index 0000000..1fd4811
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/viewmodels/DrawingStateViewModel.java
@@ -0,0 +1,103 @@
+package org.ntlab.irisclient.viewmodels;
+
+import  org.ntlab.irisclient.models.DrawingState;
+import org.ntlab.irisclient.resources.DrawingRest;
+import org.ntlab.irisclient.resources.RoomsRest;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import java.util.List;
+
+import retrofit2.Retrofit;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+public class DrawingStateViewModel extends ViewModel {
+
+    final private MutableLiveData<Integer> stateMutableLiveData=new MutableLiveData<>();
+    final private MutableLiveData<Integer> dnoMutableLiveData=new MutableLiveData<>();
+    final private Retrofit retrofit;
+
+    private Integer drawingStatePreData;
+    private Integer dnoPreData;
+
+    //フィールド
+    public DrawingStateViewModel(MutableLiveData<Integer> drawingStateMutableLiveData) {
+        this.retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/iris/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+    }
+
+    //ゲッター
+    public LiveData<Integer> getDrawingStateLiveData(){
+        return this.stateMutableLiveData;
+    }
+
+    public void updateState(String rid) {
+
+        final RoomsRest roomsRest = retrofit.create(RoomsRest.class);
+        final DrawingRest drawingRest = retrofit.create(DrawingRest.class);
+        Call<Integer> call = roomsRest.getState(rid);
+
+        call.enqueue(new Callback<Integer>() {
+            @Override
+            public void onResponse(Call<Integer> call, Response<Integer> response) {
+                if (response.isSuccessful()){
+
+                    if(response.body().equals(drawingStatePreData)){
+                        //値が一緒なら書き換えない
+                    }else{
+                        //値が異なるときのみライブデータを上書き
+                        stateMutableLiveData.setValue(response.body());
+                        drawingStatePreData = response.body();
+                    }
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Integer> call, Throwable t) {
+            }
+        });
+        }
+//    public void updateDno(String rid) {
+//
+//        final RoomsRest roomsRest = retrofit.create(RoomsRest.class);
+//        final DrawingRest drawingRest = retrofit.create(DrawingRest.class);
+//        Call<Integer> call = drawingRest.getDno(rid,nickname);
+//
+//        call.enqueue(new Callback<Integer>() {
+//            @Override
+//            public void onResponse(Call<Integer> call, Response<Integer> response) {
+//                if (response.isSuccessful()){
+//
+//                    if(response.body().equals(drawingStatePreData)){
+//                        //値が一緒なら書き換えない
+//                    }else{
+//                        //値が異なるときのみライブデータを上書き
+//                        dnoMutableLiveData.setValue(response.body());
+//                        dnoPreData = response.body();
+//                    }
+//                }
+//            }
+//
+//            @Override
+//            public void onFailure(Call<Integer> call, Throwable t) {
+//            }
+//        });
+//    }
+public List<String> getKeywords(String rid){
+        return null;
+        }
+public LiveData<Integer> getDno(){
+        return this.dnoMutableLiveData;
+        }
+public LiveData<Integer> getCno(){
+        return this.stateMutableLiveData;
+        }
+
+}