FileHelper.java 文件源码

public static String getMimeType(String paramString, CordovaInterface paramCordovaInterface)
{
  if (paramString.startsWith("content://"))
  {
    Uri localUri = Uri.parse(paramString);
    return paramCordovaInterface.getActivity().getContentResolver().getType(localUri);
  }
  String str = MimeTypeMap.getFileExtensionFromUrl(paramString.replace(" ", "%20").toLowerCase());
  if (str.equals("3ga"))
    return "audio/3gpp";
  return MimeTypeMap.getSingleton().getMimeTypeFromExtension(str);
}