小编Aga*_*ska的帖子

我有一个很大的,非常嵌套的XML文件.所有实体和属性都将成为我的Object变量.我正在创建此类对象的列表.我知道如何使用DOM,SAX和XMLPullParser来做它并且它工作正常但我有VTD解析器的问题.解析后的ListView为空.我把XML文件和我的代码放在下面.也许有人知道我做错了什么.

<MedlineCitationSet>
<MedlineCitation Owner="NLM" Status="MEDLINE">
    <PMID Version="1">10540283</PMID>
    <DateCreated>
        <Year>1999</Year>
        <Month>12</Month>
        <Day>17</Day>
    </DateCreated>
    <Article PubModel="Print">
        <Journal>
            <ISSN IssnType="Print">0950-382X</ISSN>
            <JournalIssue CitedMedium="Print">
                <Volume>34</Volume>
                <Issue>1</Issue>
            </JournalIssue>...

我的android代码:

try {
        articlesList = new ArrayList<>();

        VTDGen vtdGen = new VTDGen();
        vtdGen.setDoc(bytes);
        vtdGen.parse(false);

        AutoPilot ap = new AutoPilot();
        VTDNav vtdNav = vtdGen.getNav();

        int i = -1;

        ap.bind(vtdNav);
        ap.selectXPath("/MedlineCitationSet/MedlineCitation");

        while ((ap.evalXPath()) != -1) {

            articlesList.add(new Article());
            String year = null, day = null, month = null;
            i++;

            if (vtdNav.hasAttr("Owner"))
                articlesList.get(i).setOwner(vtdNav.toNormalizedString(vtdNav.getAttrVal("Owner")));
            if (vtdNav.hasAttr("Status"))
                articlesList.get(i).setStatus(vtdNav.toNormalizedString(vtdNav.getAttrVal("Status")));

            vtdNav.push();

            AutoPilot ap1 = new …