diff --git a/Android-1/Lesson-1/HelloActivity/app/src/main/res/values/styles.xml b/Android-1/Lesson-1/HelloActivity/app/src/main/res/values/styles.xml
index 6f19b47..3afb186 100644
--- a/Android-1/Lesson-1/HelloActivity/app/src/main/res/values/styles.xml
+++ b/Android-1/Lesson-1/HelloActivity/app/src/main/res/values/styles.xml
@@ -1,7 +1,8 @@
 <resources>
 
     <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <!-- For remove topnaviagtio title bar we use .noActionBar-->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.noActionBar">
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>