private List<File> getExtraDexFiles(PluginInfo pi, String dexPath) {

        ZipFile zipFile = null;
        List<File> files = null;

        try {

            if (pi != null) {
                zipFile = new ZipFile(dexPath);
                files = traverseExtraDex(pi, zipFile);
            }

        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            CloseableUtils.closeQuietly(zipFile);
        }

        return files;

    }
get paths of extra dex

@param pi
@param dexPath
@return the File list of the extra dexes
replugin-host-library/replugin-host-lib/src/main/java/com/qihoo360/replugin/PluginDexClassLoader.java