diff --git a/remote-reader/app/src/main/res/layout-w480dp/activity_main.xml b/remote-reader/app/src/main/res/layout-w480dp/activity_main.xml
index db4c89d..812f750 100644
--- a/remote-reader/app/src/main/res/layout-w480dp/activity_main.xml
+++ b/remote-reader/app/src/main/res/layout-w480dp/activity_main.xml
@@ -6,6 +6,7 @@
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:paddingBottom="@dimen/activity_vertical_margin"
+    android:keepScreenOn="true"
     tools:context="com.vsmartcard.remotesmartcardreader.app.MainActivity">
 
     <TextView
diff --git a/remote-reader/app/src/main/res/layout/activity_main.xml b/remote-reader/app/src/main/res/layout/activity_main.xml
index 29774a2..f476465 100644
--- a/remote-reader/app/src/main/res/layout/activity_main.xml
+++ b/remote-reader/app/src/main/res/layout/activity_main.xml
@@ -6,6 +6,7 @@
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:paddingBottom="@dimen/activity_vertical_margin"
+    android:keepScreenOn="true"
     tools:context="com.vsmartcard.remotesmartcardreader.app.MainActivity">
 
     <TextView