Bugfix. Runnable again.

app/src/main/java/tu_darmstadt/sudoku/controller/GameController.java

@@ -34,6 +34,7 @@ public class GameController implements IModelChangedListener {
     private int selectedCol;
     private SharedPreferences settings;
     private int gameID = 0;
+    private GameDifficulty difficulty;
     private CellConflictList errorList = new CellConflictList();
     private int selectedValue;
     private LinkedList<IGameSolvedListener> solvedListeners = new LinkedList<>();
@@ -51,9 +52,8 @@ public class GameController implements IModelChangedListener {
 
     public GameController(GameType type, SharedPreferences pref) {
         setGameType(type);
-        gameBoard = new GameBoard(type);
-        gameBoard.registerOnModelChangeListener(this);
         setSettings(pref);
+        gameBoard = new GameBoard(type);
     }
 
     public int getGameID() {
@@ -112,6 +112,7 @@ public class GameController implements IModelChangedListener {
         int[] setValues = gic.getSetValues();
         boolean[][] setNotes = gic.getSetNotes();
         this.gameID = gic.getID();
+        this.difficulty = gic.getDifficulty();
 
         setGameType(gic.getGameType());
         this.gameBoard = new GameBoard(gic.getGameType());
@@ -142,6 +143,8 @@ public class GameController implements IModelChangedListener {
             }
         }
 
+        gameBoard.registerOnModelChangeListener(this);
+
         // call the solve function to get the solution of this board
         solve();
     }
@@ -303,6 +306,10 @@ public class GameController implements IModelChangedListener {
         return c.getNotes().clone();
     }
 
+    public GameDifficulty getDifficulty() {
+        return difficulty;
+    }
+
     public void deleteNote(int row, int col, int value) {
         GameCell c = gameBoard.getCell(row,col);
         c.deleteNote(value);

app/src/main/java/tu_darmstadt/sudoku/controller/helper/GameInfoContainer.java

@@ -117,6 +117,10 @@ public class GameInfoContainer {
         return setNotes;
     }
 
+    public GameDifficulty getDifficulty() {
+        return difficulty;
+    }
+
     public int getID() {
         return ID;
     }

app/src/main/java/tu_darmstadt/sudoku/game/GameBoard.java

@@ -215,7 +215,6 @@ public class GameBoard implements Cloneable {
     public void registerOnModelChangeListener(final IModelChangedListener listener) {
         if(!modelChangedListeners.contains(listener)) {
             actionOnCells(new ICellAction<Boolean>() {
-
                 @Override
                 public Boolean action(GameCell gc, Boolean existing) {
                     gc.registerOnModelChangeListener(listener);

app/src/main/java/tu_darmstadt/sudoku/game/GameType.java

@@ -27,7 +27,7 @@ public enum GameType {
         this.size = size;
         this.sectionHeight = sectionHeight;
         this.sectionWidth = sectionWidth;
-        this.resIDString = this.resIDString;
+        this.resIDString = resIDString;
     }
 
     public static List<GameType> getValidGameTypes() {

app/src/main/java/tu_darmstadt/sudoku/ui/MainActivity.java

@@ -96,7 +96,7 @@ public class MainActivity extends AppCompatActivity {
             }
         });
         int lastChosenDifficulty = settings.getInt("lastChosenDifficulty", 1);
-        difficultyBar.setProgress(lastChosenDifficulty);
+        difficultyBar.setRating(lastChosenDifficulty);
 
         // on first create always check for loadable levels!
         SharedPreferences.Editor editor = settings.edit();

app/src/main/res/layout/activity_main_menu.xml

@@ -52,8 +52,6 @@
             android:paddingTop="@dimen/activity_vertical_margin"
             android:paddingBottom="@dimen/activity_vertical_margin"
             tools:context="tu_darmstadt.sudoku.ui.MainActivity"
-            android:layout_centerHorizontal="true"
-            android:layout_centerVertical="true"
             android:orientation="vertical"
             android:weightSum="8"
             android:divider="#000"