AutoInstallsLayout.java 文件源码

/**
 * Parses the layout and returns the number of elements added on the homescreen.
 */
private int parseLayout(int layoutId, ArrayList<Long> screenIds)
        throws XmlPullParserException, IOException {
    XmlResourceParser parser = mSourceRes.getXml(layoutId);
    beginDocument(parser, mRootTag);
    final int depth = parser.getDepth();
    int type;
    HashMap<String, TagParser> tagParserMap = getLayoutElementsMap();
    int count = 0;

    while (((type = parser.next()) != XmlPullParser.END_TAG ||
            parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
        if (type != XmlPullParser.START_TAG) {
            continue;
        }
        count += parseAndAddNode(parser, tagParserMap, screenIds);
    }
    return count;
}