app/src/main/AndroidManifest.xml

@@ -9,7 +9,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".FillGrid" android:screenOrientation="portrait">
+        <activity android:name=".FillGrid">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
 

app/src/main/java/org/agp8x/android/games/fillgrid/Area.java

@@ -1,52 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public final class Area {
-    public final int top;
-    public final int left;
-    public final int bottom;
-    public final int right;
-
-    public Area(int top, int left, int bottom, int right) {
-        this.top = top;
-        this.left = left;
-        this.bottom = bottom;
-        this.right = right;
-    }
-
-    @Override
-    public String toString() {
-        return "Area{" +
-                "top=" + top +
-                ", left=" + left +
-                ", bottom=" + bottom +
-                ", right=" + right +
-                '}';
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        Area area = (Area) o;
-
-        if (top != area.top) return false;
-        if (left != area.left) return false;
-        if (bottom != area.bottom) return false;
-        return right == area.right;
-
-    }
-
-    @Override
-    public int hashCode() {
-        int result = top;
-        result = 31 * result + left;
-        result = 31 * result + bottom;
-        result = 31 * result + right;
-        return result;
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/CellPaintProvider.java

@@ -1,15 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Paint;
-import android.support.annotation.NonNull;
-
-import org.agp8x.android.games.fillgrid.data.Cell;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public interface CellPaintProvider<C extends Cell> {
-    @NonNull
-    Paint getPaint(C cell);
-}

app/src/main/java/org/agp8x/android/games/fillgrid/CellPaintProviderBackground.java

@@ -1,20 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Paint;
-import android.support.annotation.NonNull;
-
-import org.agp8x.android.games.fillgrid.data.Cell;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public class CellPaintProviderBackground<C extends Cell> implements CellPaintProvider<C> {
-    @NonNull
-    @Override
-    public Paint getPaint(C cell) {
-        Paint paint = new Paint();
-        paint.setAlpha(128);
-        return paint;
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/CellPaintProviderDefault.java

@@ -1,39 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.support.annotation.NonNull;
-
-import org.agp8x.android.games.fillgrid.data.Cell;
-import org.agp8x.android.games.fillgrid.data.GroupCell;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public class CellPaintProviderDefault<C extends Cell> implements CellPaintProvider<C> {
-
-    @NonNull
-    @Override
-    public Paint getPaint(C cell) {
-        Paint paint = new Paint();
-        if (cell instanceof GroupCell) {
-            GroupCell groupCell = (GroupCell) cell;
-            switch (groupCell.getGroup()) {
-                case 0:
-                    paint.setColor(Color.RED);
-                    break;
-                case 1:
-                    paint.setColor(Color.GREEN);
-                    break;
-                case 2:
-                    paint.setColor(Color.BLUE);
-                    break;
-                default:
-                    paint.setColor(Color.MAGENTA);
-            }
-            paint.setAlpha(192);
-        }
-        return paint;
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/FillGrid.java

@@ -2,9 +2,6 @@ package org.agp8x.android.games.fillgrid;
 
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
-import android.util.Pair;
-import android.widget.RelativeLayout;
-import android.widget.TextView;
 
 import org.agp8x.android.games.fillgrid.data.GridBlock;
 import org.agp8x.android.games.fillgrid.data.GridObject;
@@ -18,17 +15,8 @@ public class FillGrid extends AppCompatActivity {
 
         //GridObject<String> sgo = new GridBlock<>("asdf");
         //GridObject<Asdf> ago = new GridBlock<>(Asdf.A);
-        RelativeLayout layout = (RelativeLayout) findViewById(R.id.mainLayout);
-
-       /* Pair<Float, Float> fp = new Pair<>(1.0f, 2.0f);
-        Pair<Integer, Integer> ip = new Pair<>(1, 2);
-        ip = new Pair<>(fp.first.intValue(), fp.second.intValue());*/
-        FillGridView gridview = new FillGridView(this);
-        layout.addView(gridview);
-        gridview.setScoreView((TextView) findViewById(R.id.textView));
     }
-
-   /* private enum Asdf {
+    private enum Asdf{
         A,B,C;
-    }*/
+    }
 }

app/src/main/java/org/agp8x/android/games/fillgrid/FillGridView.java

@@ -1,320 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.support.annotation.Nullable;
-import android.support.v4.widget.TextViewCompat;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.util.Pair;
-import android.view.MotionEvent;
-import android.view.View;
-import android.widget.TextView;
-
-import org.agp8x.android.games.fillgrid.data.GridBlock;
-import org.agp8x.android.games.fillgrid.data.GridBoard;
-import org.agp8x.android.games.fillgrid.data.GroupCell;
-import org.agp8x.android.games.fillgrid.data.Offset;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import static org.agp8x.android.games.fillgrid.Util.TAG;
-
-/**
- * Created by clemensk on 07.04.17.
- */
-
-public class FillGridView extends View {
-    protected Pair<Integer, Integer> contentSize = null;
-    protected Pair<Integer, Integer> spawnSize = null;
-    protected Area spawnBoundaries;
-    protected GridBoard<GridBlock<GroupCell>, GroupCell> board;
-    protected List<GridBlock<GroupCell>> blocks;
-    protected Map<Offset, GroupCell> background;
-    protected Map<Offset, GridBlock<GroupCell>> spawnGrid;
-    protected GroupGridPainter<GroupCell> painter;
-    protected GroupGridPainter<GroupCell> bgPainter;
-    private float divison;
-    private int spawnCount;
-    private SpawnPainterGroup<GridBlock<GroupCell>, GroupCell> spawnPainter;
-    private Dragging dragging;
-    private Offset dimensions;
-    private Map<GridBlock<GroupCell>, Pair<Integer, Integer>> spawnPositions;
-    private TextView scoreView;
-    private int score = 0;
-
-    public FillGridView(Context context) {
-        super(context);
-        init(null, 0);
-    }
-
-    public FillGridView(Context context, @Nullable AttributeSet attrs) {
-        super(context, attrs);
-        init(attrs, 0);
-    }
-
-    public FillGridView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        init(attrs, defStyleAttr);
-    }
-
-    public FillGridView(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
-        super(context, attrs, defStyleAttr, defStyleRes);
-        init(attrs, defStyleAttr);
-    }
-
-    protected void init(AttributeSet attrs, int defStyleAttr) {
-        dimensions = new Offset(10, 10);
-        board = new GridBoard<>(dimensions);
-
-        blocks = new ArrayList<>();
-
-        background = new HashMap<>();
-        GroupCell bgCell = new GroupCell(-1);
-        for (int i = 0; i < dimensions.x; i++) {
-            for (int j = 0; j < dimensions.y; j++) {
-                background.put(new Offset(i, j), bgCell);
-            }
-        }
-        spawnGrid = new HashMap<>();
-
-        CellPaintProvider<GroupCell> bgCpp = new CellPaintProviderBackground<>();
-        bgPainter = new GroupGridPainter<>(dimensions, bgCpp);
-
-        CellPaintProvider<GroupCell> cpp = new CellPaintProviderDefault<>();
-        painter = new GroupGridPainter<>(dimensions, cpp);
-
-        spawnPainter = new SpawnPainterGroup<>(new CellPaintProviderDefault<>());
-
-        // TODO: create configuration
-        spawnCount = 3;
-
-        divison = 0.5625f; // divides *HD-resolutions in a square and a non-square
-
-        GridBlock<GroupCell> block0 = new GridBlock<>();
-        block0.getObjects().put(new Offset(0, 0), new GroupCell(0));
-        blocks.add(block0);
-        block0 = new GridBlock<>();
-        block0.getObjects().put(new Offset(0, 0), new GroupCell(1));
-        block0.getObjects().put(new Offset(0, 1), new GroupCell(1));
-        blocks.add(block0);
-        block0 = new GridBlock<>();
-        block0.getObjects().put(new Offset(0, 0), new GroupCell(2));
-        block0.getObjects().put(new Offset(0, 1), new GroupCell(2));
-        block0.getObjects().put(new Offset(0, 2), new GroupCell(2));
-        blocks.add(block0);
-
-        board.drop(new Offset(4, 4), makeSquare());
-        board.drop(new Offset(4, 4), makeAngle());
-        //end TODO
-
-        populateSpawnArea();
-        setOnTouchListener(new FillGridTouchListener());
-        dragging = new Dragging();
-    }
-
-    private GridBlock<GroupCell> makeSquare() {
-        GridBlock<GroupCell> grid = new GridBlock<>(new HashMap<>());
-        grid.getObjects().put(new Offset(0, 0), new GroupCell(0));
-        grid.getObjects().put(new Offset(0, 1), new GroupCell(0));
-        grid.getObjects().put(new Offset(1, 0), new GroupCell(0));
-        grid.getObjects().put(new Offset(1, 1), new GroupCell(0));
-        blocks.add(grid);
-        return grid;
-    }
-
-    private GridBlock<GroupCell> makeAngle() {
-        GridBlock<GroupCell> grid = new GridBlock<>(new HashMap<>());
-        grid.getObjects().put(new Offset(0, 2), new GroupCell(1));
-        grid.getObjects().put(new Offset(1, 2), new GroupCell(1));
-        grid.getObjects().put(new Offset(2, 2), new GroupCell(1));
-        grid.getObjects().put(new Offset(2, 1), new GroupCell(1));
-        grid.getObjects().put(new Offset(2, 0), new GroupCell(1));
-        blocks.add(grid);
-        return grid;
-    }
-
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        if (contentSize == null || spawnSize == null) {
-            calculateAreaSizes();
-            System.out.println(contentSize + " :: " + spawnSize);
-        }
-
-        bgPainter.draw(canvas, background, contentSize);
-        painter.draw(canvas, board.getGrid(), contentSize);
-        spawnPositions = spawnPainter.draw(canvas, spawnGrid, spawnBoundaries);
-        if (dragging.object != null) {
-            Log.d(TAG, "draw dragging");
-            spawnPainter.drawDragging(canvas, dragging.xy, dragging.object);
-        }
-    }
-
-    private void calculateAreaSizes() {
-        int paddingTop = getPaddingTop();
-        int paddingBottom = getPaddingBottom();
-        int paddingLeft = getPaddingLeft();
-        int paddingRight = getPaddingRight();
-        int height = getHeight();
-        int width = getWidth();
-        int contentHeight = height - paddingTop - paddingBottom;
-        int contentWidth = width - paddingLeft - paddingRight;
-        int spawnHeight = contentHeight;
-        int spawnWidth = contentWidth;
-        if (contentHeight > contentWidth) {
-            spawnHeight = contentHeight - contentWidth;
-            contentHeight = contentWidth;
-        } else {
-            spawnWidth = contentWidth - contentHeight;
-            contentWidth = contentHeight;
-        }
-        contentSize = new Pair<>(contentHeight, contentWidth);
-        spawnSize = new Pair<>(spawnHeight, spawnWidth);
-        spawnBoundaries = new Area(contentHeight, paddingLeft, spawnHeight + contentHeight, spawnWidth);
-    }
-
-    private int divideSide(int sideLength) {
-        return (int) (sideLength * divison);
-    }
-
-    private void populateSpawnArea() {
-        for (int i = 0; i < spawnCount; i++) {
-            spawnGrid.put(new Offset(i, 0), getRandomGroupCellGridBlock());
-        }
-    }
-
-    private GridBlock<GroupCell> getRandomGroupCellGridBlock() {
-        return (GridBlock<GroupCell>) blocks.get((int) (blocks.size() * Math.random())).duplicate();
-    }
-
-    private Offset coordinate2offset(Pair<Float, Float> xy) {
-        return new Offset((int) ((xy.second / contentSize.first) * dimensions.y), (int) ((xy.first / contentSize.second) * dimensions.y));
-    }
-
-    private Offset coordinate2spawnOffset(Pair<Float, Float> xy) {
-        return null;
-    }
-
-    public void setScoreView(TextView scoreView) {
-        this.scoreView = scoreView;
-    }
-
-    private class FillGridTouchListener implements OnTouchListener {
-        @Override
-        public boolean onTouch(View v, MotionEvent event) {
-            System.out.println("EVENT!");
-            ;
-            Log.d(TAG, "EVENT");
-            Pair<Float, Float> position = Util.event2pair(event);
-            boolean updated = false;
-            switch (event.getAction()) {
-                case MotionEvent.ACTION_DOWN:
-                    Log.d(TAG, "EVENT: AcitonDown");
-                    if (Util.in(position, spawnBoundaries)) {
-                        Log.d(TAG, " in boundary");
-                        Log.d(TAG, "");
-                        updated = handleStart(event, position);
-                    }
-                    break;
-                case MotionEvent.ACTION_MOVE:
-                    updated = handleMove(event, position);
-                    break;
-                case MotionEvent.ACTION_UP:
-                case MotionEvent.ACTION_CANCEL:
-                    //TODO: drop
-                    updated = handleStop(event, position);
-                    break;
-            }
-            if (updated) {
-                invalidate();
-            }
-            return updated;
-        }
-
-        private boolean handleMove(MotionEvent event, Pair<Float, Float> position) {
-            boolean updated = false;
-            if (dragging.object != null) {
-                dragging.xy = position;
-                updated = true;
-            }
-            return updated;
-        }
-
-        private boolean handleStart(MotionEvent event, Pair<Float, Float> position) {
-            if (dragging.object != null) {
-                return false;
-            }
-            boolean updated = false;
-            Log.d(TAG, "no object dragged aleady");
-            // spawnPositions.entrySet().stream().filter(entry -> selects(position, entry.getValue())).findFirst().ifPresent(entry -> startDragging(entry, position));
-            for (Map.Entry<GridBlock<GroupCell>, Pair<Integer, Integer>> entry : spawnPositions.entrySet()) {
-                Log.d(TAG, "handleStart: "+position+"");
-                if (selects(position, entry.getValue())) {
-                    Log.d(TAG, "handleStart: SELECTED");
-                    Log.d(TAG, "now we drag");
-                    dragging.object = entry.getKey();
-                    dragging.xy = position;
-                    updated = true;
-                    break;
-                }
-            }
-            System.out.println(spawnPositions);
-            return updated;
-        }
-
-        private boolean handleStop(MotionEvent event, Pair<Float, Float> position) {
-            boolean updated = false;
-            if (dragging.object != null) {
-                if (board.drop(coordinate2offset(position), dragging.object)) {
-                    System.out.println(spawnGrid);
-                    System.out.println(dragging.object);
-                    //Offset key = spawnGrid.entrySet().stream().filter(entry -> entry==dragging.object).findFirst().get().getKey();
-                    Offset key=null;
-                    for (Map.Entry<Offset, GridBlock<GroupCell>> entry : spawnGrid.entrySet()) {
-                        if (entry.getValue() == dragging.object){
-                            key= entry.getKey();
-                            break;
-                        }
-                    }
-                    spawnGrid.remove(key);
-                    spawnPositions.remove(dragging.object);
-                }
-                dragging.object = null;
-                if (spawnGrid.isEmpty()){
-                    populateSpawnArea();
-                }
-                score += board.collapseFilledLines();
-                if (scoreView != null) {
-                    scoreView.setText(String.valueOf(score));
-                }
-                board.removeCollapsed();
-                updated = true;
-            }
-            return updated;
-        }
-
-       /* private void startDragging(Map.Entry<GridBlock<GroupCell>, Pair<Integer, Integer>> entry, Pair<Float, Float> position) {
-            Log.d(TAG, "now we drag");
-            dragging.object = entry.getKey();
-            dragging.xy = position;
-        }*/
-
-        private boolean selects(Pair<Float, Float> eventPos, Pair<Integer, Integer> spawnPos) {
-            float xdiff = Math.abs(eventPos.first - spawnPos.first);
-            float ydiff = Math.abs(eventPos.second - spawnPos.second);
-            System.out.println("diffs: " + xdiff + " --- " + ydiff);
-            return xdiff < 40 && ydiff < 40;
-        }
-    }
-
-    private class Dragging {
-        GridBlock<GroupCell> object;
-        Pair<Float, Float> xy;
-        Offset key;
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/GridPainter.java

@@ -1,18 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Canvas;
-import android.util.Pair;
-
-import org.agp8x.android.games.fillgrid.data.Cell;
-import org.agp8x.android.games.fillgrid.data.Offset;
-
-import java.util.Map;
-
-/**
- * Created by clemensk on 07.04.17.
- */
-
-public interface GridPainter<C extends Cell> {
-
-    void draw(Canvas canvas, Map<Offset, C> cells, Pair<Integer,Integer> realDimensions);
-}

app/src/main/java/org/agp8x/android/games/fillgrid/GroupGridPainter.java

@@ -1,37 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Canvas;
-import android.util.Pair;
-
-import org.agp8x.android.games.fillgrid.data.GroupCell;
-import org.agp8x.android.games.fillgrid.data.Offset;
-
-import java.util.Map;
-
-/**
- * Created by clemensk on 07.04.17.
- */
-
-public class GroupGridPainter<C extends GroupCell> implements GridPainter<C> {
-    private Offset dimensions;
-    private CellPaintProvider<C> styleInfo;
-    private int margin;
-    private int radius;
-
-    public GroupGridPainter(Offset dimensions, CellPaintProvider<C> styleInfo) {
-        this.dimensions = dimensions;
-        this.styleInfo = styleInfo;
-        radius = 30;//TODO dynamic radius to fill area
-        margin = radius + radius / 4;
-    }
-
-    @Override
-    public void draw(Canvas canvas, Map<Offset, C> cells, Pair<Integer, Integer> realDimensions) {
-        cells.forEach((offset, groupCell) -> drawCell(canvas, offset, groupCell, realDimensions));
-    }
-
-    private void drawCell(Canvas canvas, Offset offset, C cell, Pair<Integer, Integer> realDimensions) {
-        Pair<Float, Float> origin = new Pair<>((offset.x / (float) dimensions.x) * realDimensions.first, (offset.y / (float) dimensions.y) * realDimensions.second);
-        canvas.drawCircle(origin.second + margin, origin.first + margin, radius, styleInfo.getPaint(cell));
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/SpawnPainter.java

@@ -1,20 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Canvas;
-import android.util.Pair;
-
-import org.agp8x.android.games.fillgrid.data.Cell;
-import org.agp8x.android.games.fillgrid.data.GridObject;
-import org.agp8x.android.games.fillgrid.data.Offset;
-
-import java.util.Map;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public interface SpawnPainter<G extends GridObject<C>, C extends Cell> {
-    Map<G, Pair<Integer, Integer>> draw(Canvas canvas, Map<Offset, G> spawnGrid, Area spawnSize);
-
-    void drawDragging(Canvas canvas, Pair<Float, Float> xy, G object);
-}

app/src/main/java/org/agp8x/android/games/fillgrid/SpawnPainterGroup.java

@@ -1,81 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.graphics.Canvas;
-import android.util.Pair;
-
-import org.agp8x.android.games.fillgrid.data.GridObject;
-import org.agp8x.android.games.fillgrid.data.GroupCell;
-import org.agp8x.android.games.fillgrid.data.Offset;
-
-import java.util.HashMap;
-import java.util.Map;
-import java.util.stream.Collectors;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public class SpawnPainterGroup<G extends GridObject<C>, C extends GroupCell> implements SpawnPainter<G, C> {
-    private int radius;
-    private int margin;
-    private CellPaintProvider<C> styleInfo;
-    private int diameter;
-    private Map<G, Pair<Integer, Integer>> positions;
-
-    public SpawnPainterGroup(CellPaintProvider<C> styleInfo) {
-        this.styleInfo = styleInfo;
-        radius = 30;//TODO dynamic radius to fill area
-        margin = radius * 3 + radius / 4;
-        diameter = radius * 2;
-        positions = new HashMap<>();
-    }
-
-    @Override
-    public Map<G, Pair<Integer, Integer>> draw(Canvas canvas, Map<Offset, G> spawnGrid, Area spawnSize) {
-        int count = spawnGrid.size();
-        if (positions.isEmpty()) {
-            for (Offset offset : spawnGrid.keySet()) {
-                G obj = spawnGrid.get(offset);
-                positions.put(obj, getPosition(offset, obj, count, spawnSize));
-            }
-        }
-        //spawnGrid.forEach((offset, groupCellGridBlock) -> drawBlock(canvas, groupCellGridBlock));
-        for (Offset offset : spawnGrid.keySet()) {
-            drawBlock(canvas,spawnGrid.get(offset));
-        }
-        return positions;
-    }
-
-    @Override
-    public void drawDragging(Canvas canvas, Pair<Float, Float> xy, G object) {
-        object.getObjects().forEach((offset, c) -> drawCellDragging(canvas, xy, offset, c));
-    }
-
-    private Pair<Integer, Integer> getPosition(Offset offset, G obj, int count, Area spawnSize) {
-        return new Pair<>(((offset.x / count) * spawnSize.right) + margin * (offset.x+1), ((offset.y / count) * spawnSize.bottom) + margin + spawnSize.top);
-    }
-
-    private void drawCellDragging(Canvas canvas, Pair<Float, Float> xy, Offset offset, C c) {
-        canvas.drawCircle(xy.first + diameter * offset.y, xy.second + diameter * offset.x, radius, styleInfo.getPaint(c));
-    }
-
-    private void drawBlock(Canvas canvas, G groupCellGridBlock) {
-        Pair<Integer, Integer> origin = positions.get(groupCellGridBlock);
-        groupCellGridBlock.getObjects().forEach((offset1, groupCell) -> drawCell(canvas, origin, offset1, groupCell));
-    }
-
-    private void drawCell(Canvas canvas, Pair<Integer, Integer> origin, Offset offset1, C cell) {
-        canvas.drawCircle(
-                origin.first + getCx(offset1),
-                origin.second + getCy(offset1),
-                radius, styleInfo.getPaint(cell));
-    }
-
-    private float getCx(Offset offset1) {
-        return offset1.y * diameter;
-    }
-
-    private float getCy(Offset offset1) {
-        return offset1.x * diameter;
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/Util.java

@@ -1,24 +0,0 @@
-package org.agp8x.android.games.fillgrid;
-
-import android.util.Log;
-import android.util.Pair;
-import android.view.MotionEvent;
-
-/**
- * Created by clemensk on 09.04.17.
- */
-
-public class Util {
-    public static final String TAG = "FillGrid";
-
-    public static Pair<Float, Float> event2pair(MotionEvent event) {
-        return new Pair<>(event.getX(), event.getY());
-    }
-
-    public static boolean in(Pair<Float, Float> probe, Area area) {
-        Log.d(TAG,"probe: "+probe+" ;area: "+area);
-        Log.d(TAG, "("+(area.top < probe.second)+" && "+(probe.second < area.bottom)+") && ("+(area.left < probe.first) +" && "+ (probe.first < area.right)+")");
-        boolean contained = (area.top < probe.second && probe.second < area.bottom) && (area.left < probe.first && probe.first < area.right);
-        return contained;
-    }
-}

app/src/main/java/org/agp8x/android/games/fillgrid/data/Cell.java

@@ -8,5 +8,4 @@ public interface Cell {
     String getTableSymbol();
 
     void markCollapsed();
-    boolean isCollapsed();
 }

app/src/main/java/org/agp8x/android/games/fillgrid/data/Coordinate.java

@@ -0,0 +1,57 @@
+package org.agp8x.android.games.fillgrid.data;
+
+/**
+ * Created by clemensk on 29.03.17.
+ */
+
+public class Coordinate {
+    private double x;
+    private double y;
+
+    public Coordinate() {
+    }
+
+    public Coordinate(double x, double y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    public double getX() {
+        return x;
+    }
+
+    public void setX(double x) {
+        this.x = x;
+    }
+
+    public double getY() {
+        return y;
+    }
+
+    public void setY(double y) {
+        this.y = y;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Coordinate that = (Coordinate) o;
+
+        if (Double.compare(that.x, x) != 0) return false;
+        return Double.compare(that.y, y) == 0;
+
+    }
+
+    @Override
+    public int hashCode() {
+        int result;
+        long temp;
+        temp = Double.doubleToLongBits(x);
+        result = (int) (temp ^ (temp >>> 32));
+        temp = Double.doubleToLongBits(y);
+        result = 31 * result + (int) (temp ^ (temp >>> 32));
+        return result;
+    }
+}

app/src/main/java/org/agp8x/android/games/fillgrid/data/GridBlock.java

@@ -10,10 +10,6 @@ import java.util.Map;
 public class GridBlock<C extends Cell> implements GridObject<C> {
     private final Map<Offset, C> content;
 
-    public GridBlock() {
-        content = new HashMap<>();
-    }
-
     public GridBlock(Map<Offset, C> content) {
         this.content = new HashMap<>(content);
     }

app/src/main/java/org/agp8x/android/games/fillgrid/data/GridBoard.java

@@ -5,7 +5,6 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
-import java.util.stream.Collectors;
 
 /**
  * Represents a GridBoard in its entirety, i.e. Top level object
@@ -18,12 +17,8 @@ public class GridBoard<G extends GridObject<C>, C extends Cell> implements Grid<
     private final Offset dimensions;
 
     public GridBoard(int heigth, int width) {
-        this(new Offset(width, heigth));
-    }
-
-    public GridBoard(Offset dimensions) {
         this.contents = new HashMap<>();
-        this.dimensions = dimensions;
+        dimensions = new Offset(width, heigth);
     }
 
     @Override
@@ -50,12 +45,6 @@ public class GridBoard<G extends GridObject<C>, C extends Cell> implements Grid<
         contents.clear();
     }
 
-    public void removeCollapsed() {
-        List<Offset> removals = contents.entrySet().stream().filter(offsetCEntry -> offsetCEntry.getValue().isCollapsed()).map(Map.Entry::getKey).collect(Collectors.toList());
-        removals.forEach(contents::remove);
-        removals.clear();
-    }
-
     /**
      * Find lines with all cells filled and mark them as collapsed
      *
@@ -64,9 +53,7 @@ public class GridBoard<G extends GridObject<C>, C extends Cell> implements Grid<
     public int collapseFilledLines() {
         List<Offset> deletionQueue = findFullLines();
         deletionQueue.stream().map(contents::get).forEach(Cell::markCollapsed);
-        int count = deletionQueue.size();
-        deletionQueue.clear();
-        return count;
+        return deletionQueue.size();
     }
 
     public List<Offset> findFullLines() {
@@ -139,7 +126,7 @@ public class GridBoard<G extends GridObject<C>, C extends Cell> implements Grid<
      */
     private boolean isSettable(Offset origin, Offset offset) {
         Offset xy = Offset.add(origin, offset);
-        if ((xy.x < 0 || xy.x >= dimensions.x) || (xy.y < 0 || xy.y >= dimensions.y)) {
+        if ((xy.x < 0 || xy.x > dimensions.x) || (xy.y < 0 || xy.y > dimensions.y)) {
             return false;
         }
         C obj1 = contents.get(xy);

app/src/main/java/org/agp8x/android/games/fillgrid/data/GroupCell.java

@@ -1,39 +0,0 @@
-package org.agp8x.android.games.fillgrid.data;
-
-/**
- * Created by clemensk on 07.04.17.
- */
-
-public class GroupCell implements Cell {
-    private int group;
-    private boolean collapsed = false;
-    private boolean collapsionMark = false;
-
-    public GroupCell(int group) {
-        this.group = group;
-    }
-
-    public int getGroup() {
-        return group;
-    }
-
-    public boolean isCollapsionMark() {
-        return collapsionMark;
-    }
-
-    @Override
-    public String getTableSymbol() {
-        return "" + group;
-    }
-
-    @Override
-    public void markCollapsed() {
-        collapsionMark = true;
-    }
-
-    @Override
-    public boolean isCollapsed() {
-        return collapsionMark;
-    }
-
-}

app/src/main/java/org/agp8x/android/games/fillgrid/data/Offset.java

@@ -4,7 +4,7 @@ package org.agp8x.android.games.fillgrid.data;
  * Created by clemensk on 29.03.17.
  */
 
-public class Offset {
+class Offset {
     public final int x;
     public final int y;
 

app/src/main/java/org/agp8x/android/games/fillgrid/data/StringCell.java

@@ -35,9 +35,4 @@ public class StringCell implements Cell {
     public void markCollapsed() {
 
     }
-
-    @Override
-    public boolean isCollapsed() {
-        return false;
-    }
 }

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

@@ -1,21 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
+<android.support.constraint.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="org.agp8x.android.games.fillgrid.FillGrid"
-    android:id="@+id/mainLayout">
-
+    tools:context="org.agp8x.android.games.fillgrid.FillGrid">
 
     <TextView
-        android:id="@+id/textView"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="15dp"
-        android:text="TextView"
-        android:layout_alignParentBottom="true"
-        android:layout_alignParentEnd="true"
-        android:layout_marginEnd="26dp"/>
-</RelativeLayout>
+        android:text="Hello World!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
+
+</android.support.constraint.ConstraintLayout>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.1'
+        classpath 'com.android.tools.build:gradle:2.3.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files