commit 2e0258fec2c1fc9ff4da84c1657469c684a3423a
Author: Leszek Koltunski <leszek@koltunski.pl>
Date:   Tue Nov 17 22:20:34 2020 +0100

    Progress creating the Tutorial Activity.

diff --git a/src/main/java/org/distorted/main/RubikRenderer.java b/src/main/java/org/distorted/main/RubikRenderer.java
index 80020aba..86cf0617 100644
--- a/src/main/java/org/distorted/main/RubikRenderer.java
+++ b/src/main/java/org/distorted/main/RubikRenderer.java
@@ -38,6 +38,8 @@ import com.google.firebase.crashlytics.FirebaseCrashlytics;
 
 public class RubikRenderer implements GLSurfaceView.Renderer, DistortedLibrary.ExceptionListener
 {
+   public static final float BRIGHTNESS = 0.30f;
+
    private RubikSurfaceView mView;
    private DistortedScreen mScreen;
    private Fps mFPS;
@@ -85,8 +87,6 @@ public class RubikRenderer implements GLSurfaceView.Renderer, DistortedLibrary.E
 
    RubikRenderer(RubikSurfaceView v)
      {
-     final float BRIGHTNESS = 0.30f;
-
      mErrorShown = false;
      mView = v;
      mFPS = new Fps();
@@ -112,8 +112,6 @@ public class RubikRenderer implements GLSurfaceView.Renderer, DistortedLibrary.E
    @Override
    public void onSurfaceChanged(GL10 glUnused, int width, int height)
       {
-      android.util.Log.e("main", "width="+width+" height="+height);
-
       mScreen.resize(width,height);
       mView.setScreenSize(width,height);
       mView.getPreRender().setScreenSize(width);
diff --git a/src/main/java/org/distorted/tutorial/TutorialActivity.java b/src/main/java/org/distorted/tutorial/TutorialActivity.java
index c078ad22..fabaed43 100644
--- a/src/main/java/org/distorted/tutorial/TutorialActivity.java
+++ b/src/main/java/org/distorted/tutorial/TutorialActivity.java
@@ -40,6 +40,8 @@ import org.distorted.objects.TwistyObject;
 import org.distorted.states.RubikStatePlay;
 import org.distorted.states.StateList;
 
+import static org.distorted.main.RubikRenderer.BRIGHTNESS;
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 public class TutorialActivity extends AppCompatActivity
@@ -131,6 +133,9 @@ public class TutorialActivity extends AppCompatActivity
       paramsR.width = (int)(width*RATIO);
       viewR.setLayoutParams(paramsR);
 
+      final int color = (int)(BRIGHTNESS*255);
+      viewR.setBackgroundColor( (0xFF<<24)+(color<<16)+(color<<8)+color);
+
       if( mState==null ) mState = new TutorialState();
 
       mState.createRightPane(this,width);
diff --git a/src/main/java/org/distorted/tutorial/TutorialRenderer.java b/src/main/java/org/distorted/tutorial/TutorialRenderer.java
index 8abc67cd..4e8ab042 100644
--- a/src/main/java/org/distorted/tutorial/TutorialRenderer.java
+++ b/src/main/java/org/distorted/tutorial/TutorialRenderer.java
@@ -64,8 +64,6 @@ public class TutorialRenderer implements GLSurfaceView.Renderer, DistortedLibrar
    @Override
    public void onSurfaceChanged(GL10 glUnused, int width, int height)
       {
-      android.util.Log.e("tut", "width="+width+" height="+height);
-
       mScreen.resize(width,height);
       mView.setScreenSize(width,height);
       mView.getPreRender().setScreenSize(width);