SparseBooleanArray that is also Parcelable

ParcelableSpareBooleanArray.java

/**
 * SparseBooleanArray that is also Parcelable. Had to put this together so I could pass this to a
 * {@code Fragment} bundle.
 */
public class ParcelableSparseBooleanArray extends SparseBooleanArray implements Parcelable {

    public ParcelableSparseBooleanArray(){
        super();
    }

    protected ParcelableSparseBooleanArray(Parcel in) {

        boolean[] values = in.createBooleanArray();
        int[] keys = in.createIntArray();

        for (int i = 0; i < values.length; i++) {
            append(keys[i], values[i]);
        }

    }

    public static final Creator<ParcelableSparseBooleanArray> CREATOR = new Creator<ParcelableSparseBooleanArray>() {
        @Override
        public ParcelableSparseBooleanArray createFromParcel(Parcel in) {
            return new ParcelableSparseBooleanArray(in);
        }

        @Override
        public ParcelableSparseBooleanArray[] newArray(int size) {
            return new ParcelableSparseBooleanArray[size];
        }
    };

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {

        boolean[] values = new boolean[size()];
        int[] keys = new int[size()];

        for (int i = 0; i < size(); i++) {
            values[i] = valueAt(i);
            keys[i] = keyAt(i);
        }

        dest.writeBooleanArray(values);
        dest.writeIntArray(keys);

    }
}