/** * TODO: Activity之间传递list,对象等工具类 *  * @author  * @date 2014-9-12 下午5:35:38 * @version 0.1.0  */public class FlashIntentUtils {    private static volatile FlashIntentUtils instance = null;    private FlashIntentUtils(){    }    public static FlashIntentUtils getInstance() {        if (instance == null) {            synchronized (FlashIntentUtils.class) {                if (instance == null) {                    instance = new FlashIntentUtils();                }            }        }        return instance;    }    private Object object;    public void putExtra(Object object) {        this.object = object;    }    public Object getExtra() {        Object extra = object;        this.object = null;        return extra;    }}