sdk/src/com/socialize/api/action/activity/SocializeActionUtils.java
@Override
	public void getActionsByUser(Activity context, long userId, int start, int end, ActionListListener listener) {
		activitySystem.getActivityByUser(Socialize.getSocialize().getSession(), userId, start, end, listener);
	}
@Override
	public void getActionsByUser(Activity context, long userId, int start, int end, ActionListListener listener) {
		activitySystem.getActivityByUser(Socialize.getSocialize().getSession(), userId, start, end, listener);
	}
/* (non-Javadoc)
@see com.socialize.api.action.activity.ActivityUtilsProxy#getActivityByUser(android.app.Activity, com.socialize.entity.User, int, int, com.socialize.listener.activity.UserActivityListListener)