Automatically scroll to the currently used theme

android/assets/themes/darcula.theme

@@ -8,7 +8,7 @@
             "8be9fdff",
             "ff5555ff",
             "ff79c6ff",
-            "ffb86cf"
+            "ffb86cff"
         ],
         "empty_cell": "44475aff",
         "cells": [

core/src/io/github/lonamiwebs/klooni/actors/ThemeCard.java

@@ -100,6 +100,10 @@ public class ThemeCard extends Actor {
         usedThemeUpdated();
     }
 
+    public boolean isUsed() {
+        return Klooni.theme.getName().equals(theme.getName());
+    }
+
     void performBuy() {
         Klooni.buyTheme(theme);
         use();

core/src/io/github/lonamiwebs/klooni/screens/CustomizeScreen.java

@@ -144,11 +144,25 @@ class CustomizeScreen implements Screen {
             themesGroup.addActor(card);
         }
 
-        table.add(new ScrollPane(themesGroup)).expand().fill();
+        final ScrollPane themesScroll = new ScrollPane(themesGroup);
+        table.add(themesScroll).expand().fill();
 
         // Show the current money row
         table.row();
         table.add(buyBand).expandX().fillX();
+
+        // Scroll to the currently selected theme
+        table.layout();
+        for (Actor a : themesGroup.getChildren()) {
+            ThemeCard c = (ThemeCard)a;
+            if (c.isUsed()) {
+                themesScroll.scrollTo(
+                        c.getX(), c.getY() + c.getHeight(),
+                        c.getWidth(), c.getHeight());
+                break;
+            }
+            c.usedThemeUpdated();
+        }
     }
 
     //endregion