/** Handles user's clicks and taps on the board. */
public void onClick(View v) {
final Object tag = v.getTag();
if (null == previewTimer && tag instanceof Tile) {
final Board board = getBoardModel();
final Move move = board.permittedMoveFor((Tile) tag);
if (null != move) {
board.move(move);
if (game.isSolved()) congratulate();
} else {
wrongClick();
}
}
}
protected void dimImmovableTiles(boolean on) {
final Board board = getBoardModel();
final int boardSize = board.getSize();
final int color = getResources().getColor(R.color.tile_dimmer);
for (int r = 0; r < boardSize; r++)
for (int c = 0; c < boardSize; c++) {
final ImageView cell = imageCells[r][c];
final Object tag = cell.getTag();
if (tag instanceof Tile
&& null == board.permittedMoveFor((Tile) tag)
&& 0 != ((Tile) tag).getNumber()) {
if (on) cell.setColorFilter(color);
else cell.clearColorFilter();
}
}
}