Parcelable

House.java

public class House implements Parcelable {

  private Integer rooms;
  private String color; 


    protected House(Parcel in) {
        rooms = in.readByte() == 0x00 ? null : in.readInt();
        color = in.readString();
    }

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

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        if (rooms == null) {
            dest.writeByte((byte) (0x00));
        } else {
            dest.writeByte((byte) (0x01));
            dest.writeInt(rooms);
        }
        dest.writeString(color);
    }

    @SuppressWarnings("unused")
    public static final Parcelable.Creator<House> CREATOR = new Parcelable.Creator<House>() {
        @Override
        public House createFromParcel(Parcel in) {
            return new House(in);
        }

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