android ormlite queryBuilder.where() 多條件

QueryBuilder<VideoTagInfo, Integer> queryBuilder = videoTagInfoIntegerDao.queryBuilder();
try {
    queryBuilder.where().eq("value",roomId).and().eq("myFocus",true);
    VideoTagInfo videoTagInfo = queryBuilder.queryForFirst();
    long count = queryBuilder.countOf();
    Log.i("ss","___________________________________count:"+count+"_____videoTagInfo:"+videoTagInfo);
    if(videoTagInfo != null){
        return true;
    }

} catch (SQLException e) {
    Log.i("ss","____________________________________________e:"+e);
    e.printStackTrace();

}