diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..c8f6912
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="$USER_HOME$/Library/Android/sdk/extras/m2repository" />
+      <option name="name" value="$USER_HOME$/Library/Android/sdk/extras/m2repository" />
+      <option name="url" value="file:$USER_HOME$/Library/Android/sdk/extras/m2repository/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="$USER_HOME$/Library/Android/sdk/extras/google/m2repository" />
+      <option name="name" value="$USER_HOME$/Library/Android/sdk/extras/google/m2repository" />
+      <option name="url" value="file:$USER_HOME$/Library/Android/sdk/extras/google/m2repository/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="$USER_HOME$/Library/Android/sdk/extras/android/m2repository" />
+      <option name="name" value="$USER_HOME$/Library/Android/sdk/extras/android/m2repository" />
+      <option name="url" value="file:$USER_HOME$/Library/Android/sdk/extras/android/m2repository/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/java/com/kevalpatel2106/sample/RulerDemoActivity2.java b/app/src/main/java/com/kevalpatel2106/sample/RulerDemoActivity2.java
index c54b4d0..3973df0 100644
--- a/app/src/main/java/com/kevalpatel2106/sample/RulerDemoActivity2.java
+++ b/app/src/main/java/com/kevalpatel2106/sample/RulerDemoActivity2.java
@@ -18,6 +18,8 @@
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
+import android.widget.CompoundButton;
+import android.widget.RadioButton;
 import android.widget.TextView;
 
 import com.kevalpatel2106.rulerpicker.RulerValuePicker;
@@ -29,7 +31,7 @@ public class RulerDemoActivity2 extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_ruler_demo2);
-
+        checkGender();
         setSupportActionBar((Toolbar) findViewById(R.id.toolbar));
         if (getSupportActionBar() != null) {
             getSupportActionBar().setDisplayHomeAsUpEnabled(true);
@@ -72,6 +74,30 @@ public void onIntermediateValueChange(final int selectedValue) {
 
             }
         });
+        checkGender();
+    }
+
+    private void checkGender() {
+        final RadioButton male = findViewById(R.id.male);
+        final RadioButton female = findViewById(R.id.female);
+        male.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (isChecked) {
+                    female.setChecked(false);
+                }
+            }
+        });
+        female.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                if (isChecked) {
+                    male.setChecked(false);
+                }
+            }
+        });
     }
 
     @Override
diff --git a/app/src/main/res/layout/activity_ruler_demo2.xml b/app/src/main/res/layout/activity_ruler_demo2.xml
index 34015c6..2daad74 100644
--- a/app/src/main/res/layout/activity_ruler_demo2.xml
+++ b/app/src/main/res/layout/activity_ruler_demo2.xml
@@ -221,12 +221,14 @@
             app:layout_constraintTop_toBottomOf="@+id/textView3">
 
             <RadioButton
+                android:id="@+id/male"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="Male"
                 android:textColor="@android:color/white" />
 
             <RadioButton
+                android:id="@+id/female"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginLeft="16dp"