/**
   * 获取字符串id对应的url
   *
   * @param strId
   * @param context
   * @return url
   */
  public static String getUrl(int strId, Context context) {
    try {
      XmlResourceParser parser = context.getResources().getXml(R.xml.address);
      AttributeSet attrs = Xml.asAttributeSet(parser);
      XmlUtils.beginDocument(parser, TAG_FTP);

      final int depth = parser.getDepth();
      int type;
      while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth)
          && type != XmlPullParser.END_DOCUMENT) {

        if (type != XmlPullParser.START_TAG) {
          continue;
        }

        final String name = parser.getName();
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.UrlAddress);
        if (TAG_URLADDRESS.equals(name)) {
          int id = a.getResourceId(R.styleable.UrlAddress_refId, 0);
          if (id == strId) {
            String url = a.getString(R.styleable.UrlAddress_address);
            a.recycle();
            a = null;
            parser.close();
            parser = null;
            return url;
          }
        }
        a.recycle();
      }
      parser.close();
      parser = null;
    } catch (XmlPullParserException e) {
    } catch (IOException e) {
    }

    return null;
  }
  /**
   * 获取下载地址 配置文件在res/xml/address.xml
   *
   * @param context
   * @return
   */
  public static HashMap<Integer, String> getUrlList(Context context) {
    try {
      XmlResourceParser parser = context.getResources().getXml(R.xml.address);
      AttributeSet attrs = Xml.asAttributeSet(parser);
      XmlUtils.beginDocument(parser, TAG_FTP);

      HashMap<Integer, String> urlMap = new HashMap<Integer, String>(8);
      final int depth = parser.getDepth();
      int type;
      while (((type = parser.next()) != XmlPullParser.END_TAG || parser.getDepth() > depth)
          && type != XmlPullParser.END_DOCUMENT) {

        if (type != XmlPullParser.START_TAG) {
          continue;
        }

        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.UrlAddress);
        final String name = parser.getName();
        if (TAG_URLADDRESS.equals(name)) {
          UrlAddress address = getUrlAddress(a);
          if (address != null && address.mStringId > 0) {
            urlMap.put(address.mStringId, address.mUrl);
          }
          address = null;
        }
        a.recycle();
      }
      parser.close();
      parser = null;
      return urlMap;
    } catch (XmlPullParserException e) {
    } catch (IOException e) {
    }

    return null;
  }