diff --git a/res/layout/activity_main.xml b/res/layout/activity_main.xml
index 0d54d38..cadc48e 100644
--- a/res/layout/activity_main.xml
+++ b/res/layout/activity_main.xml
@@ -102,13 +102,22 @@
 		        android:max="255"
 		        android:layout_width="match_parent"
 		        android:layout_height="wrap_content"/>
-	        
+
+					<CheckBox
+	            android:layout_below="@+id/blueControl"
+							android:id="@+id/bblOff"
+							android:layout_width="wrap_content"
+							android:layout_height="wrap_content"
+							android:padding="10dp"
+							android:text="Turn off button backlight"/>
+
+
 	        <LinearLayout 
 		        android:id="@+id/buttons"
 		        android:layout_width="match_parent"
 		        android:layout_height="wrap_content"
 		        android:layout_alignParentLeft="true"
-		        android:layout_below="@+id/blueControl"
+		        android:layout_below="@+id/bblOff"
 		        android:orientation="horizontal"
 		        android:layout_marginTop="10dp"
 	        >
diff --git a/src/com/hathy/shade/MainActivity.java b/src/com/hathy/shade/MainActivity.java
index 8b89cd0..c07c0b1 100644
--- a/src/com/hathy/shade/MainActivity.java
+++ b/src/com/hathy/shade/MainActivity.java
@@ -11,7 +11,9 @@
 import android.support.v4.app.TaskStackBuilder;
 import android.view.Menu;
 import android.view.View;
+import android.view.View.OnClickListener;
 import android.widget.SeekBar;
+import android.widget.CheckBox;
 import android.widget.SeekBar.OnSeekBarChangeListener;
 
 /**
@@ -26,8 +28,10 @@ public class MainActivity extends Activity implements OnSeekBarChangeListener {
     SeekBar redSeek;
     SeekBar greenSeek;
     SeekBar blueSeek;
+    CheckBox bblOffCheckBox;
 	
     int alpha,red,green,blue;
+    boolean bblOff;
 	
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -46,21 +50,30 @@ private void initialize(){
     	redSeek=(SeekBar)findViewById(R.id.redControl);
     	greenSeek=(SeekBar)findViewById(R.id.greenControl);
     	blueSeek=(SeekBar)findViewById(R.id.blueControl);
+			bblOffCheckBox = (CheckBox) findViewById(R.id.bblOff);
     	
     	alphaSeek.setOnSeekBarChangeListener(this);    	
     	redSeek.setOnSeekBarChangeListener(this);    	
     	greenSeek.setOnSeekBarChangeListener(this);
     	blueSeek.setOnSeekBarChangeListener(this);
+			bblOffCheckBox.setOnClickListener(new OnClickListener() {
+              @Override
+              public void onClick(View v) {
+                  bblOff = ((CheckBox) v).isChecked();
+              }
+          });
     	
     	alpha=shared.getAlpha();
     	red=shared.getRed();
     	green=shared.getGreen();
     	blue=shared.getBlue();
+			bblOff=shared.getBblOff();
     	
     	alphaSeek.setProgress(alpha);
     	redSeek.setProgress(red);
     	greenSeek.setProgress(green);
     	blueSeek.setProgress(blue);
+			bblOffCheckBox.setChecked(bblOff);
     	
     	updateColor();
     }
@@ -111,6 +124,7 @@ public void applyClick(View v){
     	shared.setRed(red);
     	shared.setGreen(green);
     	shared.setBlue(blue);
+      shared.setBblOff(bblOff);
     	
     	Intent i=new Intent(MainActivity.this, MainService.class);
         startService(i);
@@ -140,3 +154,4 @@ private void makeNotification(){
     	mNotificationManager.notify(0x355, nb.build());
     }
 }
+
diff --git a/src/com/hathy/shade/MainService.java b/src/com/hathy/shade/MainService.java
index 2e3524a..b832f9f 100644
--- a/src/com/hathy/shade/MainService.java
+++ b/src/com/hathy/shade/MainService.java
@@ -5,9 +5,12 @@
 import android.graphics.PixelFormat;
 import android.os.IBinder;
 import android.view.Gravity;
+import android.view.Window;
 import android.view.WindowManager;
+import android.view.WindowManager.LayoutParams;
 import android.widget.LinearLayout;
 import android.widget.Toast;
+import android.util.Log;
 
 /**
 * This is the class that is responsible for adding the filter on the
@@ -17,7 +20,7 @@
 * @author Hathibelagal
 */
 public class MainService extends Service {
-
+  public final static String TAG = "shade.MainService";
 	LinearLayout mView;
 	SharedMemory shared;
 	
@@ -45,8 +48,20 @@ public void onCreate() {
                 	WindowManager.LayoutParams.MATCH_PARENT,
         	        WindowManager.LayoutParams.MATCH_PARENT,
 	                WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
-                	0 | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
+                	WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+									| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
+									| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN, /* dim statusbar, too */
         	        PixelFormat.TRANSLUCENT);        
+					if(shared.getBblOff()) {
+							/* from https://github.com/TomTasche/ScreenFilter.git */
+							try {
+									WindowManager.LayoutParams.class.getField("buttonBrightness").set(params, Integer.valueOf(0));
+							}
+							catch (Exception ex) {
+									Log.w(TAG, "Cannot set button brightness");
+									ex.printStackTrace();
+							}
+					}
 	        WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
         	wm.addView(mView, params);
 	}
diff --git a/src/com/hathy/shade/SharedMemory.java b/src/com/hathy/shade/SharedMemory.java
index d31d473..cb3cb5e 100644
--- a/src/com/hathy/shade/SharedMemory.java
+++ b/src/com/hathy/shade/SharedMemory.java
@@ -31,6 +31,10 @@ void setBlue(int value){
 		prefs.edit().putInt("blue", value).commit();
 	}
 	
+	void setBblOff(boolean value){
+		prefs.edit().putBoolean("bblOff", value).commit();
+	}
+	
 	int getBlue(){
 		return prefs.getInt("blue", 0x00);
 	}
@@ -47,6 +51,10 @@ int getAlpha(){
 		return prefs.getInt("alpha", 0x33);
 	}
 	
+	boolean getBblOff(){
+		return prefs.getBoolean("bblOff", true);
+	}
+	
 	public static int getColor(int alpha, int red, int green, int blue){
 		String hex = String.format("%02x%02x%02x%02x", alpha, red, green, blue);
 		int color=(int)Long.parseLong(hex,16);