diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
new file mode 100644
index 0000000..38fe66f
--- /dev/null
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <targetSelectedWithDropDown>
+      <Target>
+        <type value="QUICK_BOOT_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="C:\Users\student\.android\avd\Pixel_3_API_29.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </targetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2022-07-22T05:54:04.784778Z" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
index 4575e47..b3ad02c 100644
--- a/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/DrawingActivity.java
@@ -1,14 +1,36 @@
 package org.ntlab.irisclient;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
 
 import android.os.Bundle;
 
+import org.ntlab.irisclient.viewmodels.DrawingStateViewModel;
+
 public class DrawingActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_drawing);
+        DrawingStateViewModel drawingStateViewModel = new ViewModelProvider(this).get(DrawingStateViewModel.class);
+
+        drawingStateViewModel.getDno().observe(this, new Observer<Integer>() {
+            private Integer dno;
+            @Override
+            public void onChanged(Integer dno) {
+                this.dno = dno;
+            }
+        });
+
+        drawingStateViewModel.getState().observe(this, new Observer<Integer>() {
+            private Integer state;
+            @Override
+            public void onChanged(Integer state) {
+                this.state = state;
+            }
+        });
+
     }
 }
\ No newline at end of file