diff --git a/app/src/main/java/com/polar/mirror/LowLightController.java b/app/src/main/java/com/polar/mirror/LowLightController.java
index 42b13ce..7771ed9 100644
--- a/app/src/main/java/com/polar/mirror/LowLightController.java
+++ b/app/src/main/java/com/polar/mirror/LowLightController.java
@@ -2,25 +2,34 @@
 
 import android.app.Activity;
 import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.LightingColorFilter;
+import android.graphics.Paint;
 import android.util.Log;
 import android.view.WindowManager;
 
 import androidx.camera.core.Preview;
 
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
 /**
  * Implements logic of controlling low-light mode
  */
 public class LowLightController {
-    private final Preview mCameraPreview;
     private final Activity mActivity;
     private float lastBrightness = 1;
     public boolean isLowLightModeEnabled = false;
+    private FloatingActionButton mLowLightModeButton;
     private static final String TAG = "LowLightController";
+    private static final int WHITENING_VALUE = 128;
 
 
-    LowLightController(Activity activity, Preview cameraPreview){
-        mCameraPreview = cameraPreview;
+    LowLightController(Activity activity, FloatingActionButton lowLightModeButton){
         mActivity = activity;
+        mLowLightModeButton = lowLightModeButton;
     }
 
     private void enableLowLightMode(){
diff --git a/app/src/main/java/com/polar/mirror/MainActivity.java b/app/src/main/java/com/polar/mirror/MainActivity.java
index 367ed23..2bd161d 100644
--- a/app/src/main/java/com/polar/mirror/MainActivity.java
+++ b/app/src/main/java/com/polar/mirror/MainActivity.java
@@ -57,7 +57,7 @@ protected void onCreate(Bundle savedInstanceState) {
         //Start camera
         try {
             startCamera();
-            mLowLightController = new LowLightController(this, mPreview);
+            mLowLightController = new LowLightController(this);
         } catch (ExecutionException | InterruptedException e) {
             final String toastText = getString(R.string.can_not_start_camera);
             Toast.makeText(this, toastText, Toast.LENGTH_LONG).show();
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index a0792d4..4dfe11b 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -7,4 +7,5 @@
     <string name="tap_to_show_actions">Kliknij gdziekolwiek, aby wyświetlić menu akcji</string>
     <string name="can_not_start_camera">Brak dostępu do kamery</string>
     <string name="no_camera_permissions">Dostęp do kamery nie został przyznany. Użyj aplikacji Ustawienia, aby pryznać dostęp</string>
+    <string name="low_light">Tryb ciemonści</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 5f35490..d852169 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -6,4 +6,5 @@
     <string name="tap_to_show_actions">Натиснить будь-де, аби знов показити меню дій</string>
     <string name="can_not_start_camera">Не вдалося отримати доступ до камери</string>
     <string name="no_camera_permissions">Доступ до камери не надано. Скористуйтесь застосунком Налаштування, аби надати доступ вручну</string>
+    <string name="low_light">Режим пітьми</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2e4d4ef..b2db2fa 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -6,5 +6,5 @@
     <string name="tap_to_show_actions">Tap anywhere to show actions again</string>
     <string name="can_not_start_camera">Can not access camera</string>
     <string name="no_camera_permissions">Camera permissions was not granted. Use Settings app to grant it.</string>
-    <string name="low_light">Low-light mode</string>
+    <string name="low_light">Dark mode</string>
 </resources>
\ No newline at end of file