diff --git a/Basic-Video-Chat/app/src/main/java/com/tokbox/android/tutorials/basicvideochat/MainActivity.java b/Basic-Video-Chat/app/src/main/java/com/tokbox/android/tutorials/basicvideochat/MainActivity.java
index 5449da8..ee9006f 100644
--- a/Basic-Video-Chat/app/src/main/java/com/tokbox/android/tutorials/basicvideochat/MainActivity.java
+++ b/Basic-Video-Chat/app/src/main/java/com/tokbox/android/tutorials/basicvideochat/MainActivity.java
@@ -5,6 +5,8 @@ import android.support.annotation.NonNull;
 import android.Manifest;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.View;
+import android.widget.Button;
 import android.widget.FrameLayout;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
@@ -60,6 +62,19 @@ public class MainActivity extends AppCompatActivity
         mPublisherViewContainer = (FrameLayout)findViewById(R.id.publisher_container);
         mSubscriberViewContainer = (FrameLayout)findViewById(R.id.subscriber_container);
 
+        Button button = (Button) findViewById(R.id.button);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mPublisher.setPublishVideo(!mPublisher.getPublishVideo());
+                if (!mPublisher.getPublishVideo()) {
+                    mPublisherViewContainer.removeView(mPublisher.getView());
+                } else {
+                    mPublisherViewContainer.addView(mPublisher.getView());
+                }
+            }
+        });
+
         requestPermissions();
     }
 
diff --git a/Basic-Video-Chat/app/src/main/res/layout/activity_main.xml b/Basic-Video-Chat/app/src/main/res/layout/activity_main.xml
index c4520a8..100191a 100644
--- a/Basic-Video-Chat/app/src/main/res/layout/activity_main.xml
+++ b/Basic-Video-Chat/app/src/main/res/layout/activity_main.xml
@@ -26,6 +26,13 @@ tools:context="com.tokbox.android.tutorials.basicvideochat.MainActivity">
             android:padding="@dimen/publisher_padding"
             android:background="@color/publisher_border_color" />
 
+        <Button
+            android:id="@+id/button"
+            android:text="switch video"
+            style="@android:style/Widget.Button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
     </FrameLayout>
 
 </android.support.constraint.ConstraintLayout>