public function dropbox()
 {
     //return Input::file('uploadfile');
     //return $uploadfile = Input::file('uploadfile');
     //use \Dropbox as dbx;
     $appInfo = \Dropbox\AppInfo::loadFromJsonFile("app_info.json");
     $webAuth = new \Dropbox\WebAuthNoRedirect($appInfo, "PHP-Example/1.0");
     $authorizeUrl = $webAuth->start();
     $accessToken = "LUu8h-uvauAAAAAAAAAAHbDw-bulVL7u8BoRAJtedc0-eCDY-Xj4Qxf1iGucUN7j";
     $dbxClient = new \Dropbox\Client($accessToken, "PHP-Example/1.0");
     $accountInfo = $dbxClient->getAccountInfo();
     //  $dbxClient->getAccessToken();
     //return  $dbxClient->_getMetadata("/participant/Fl0dsItC_Airtel.png");
     $host = $dbxClient->getHost();
     return $this->fetchUrl("/participant/Fl0dsItC_Airtel.png");
     //$appendFilePath =  $dbxClient->appendFilePath();
     //print_r($appendFilePath);
     /*echo "1. Go to: " . $authorizeUrl . "\n";
     echo "2. Click \"Allow\" (you might have to log in first).\n";
     echo "3. Copy the authorization code.\n";
     $authCode = \trim(\readline("Enter the authorization code here: "));
     list($accessToken, $dropboxUserId) = $webAuth->finish($authCode);
     print "Access Token: " . $accessToken . "\n";  */
     /*$f = fopen(url()."/public/assets/upload/contest_theme_photo/Fl0dsItC_Airtel.png", "rb");
     $result = $dbxClient->uploadFile("/participant/Fl0dsItC_Airtel.png", \Dropbox\WriteMode::add(), $f);
     fclose($f);*/
     $f = fopen("Fl0dsItC_Airtel.png", "w+b");
     $fileMetadata = $dbxClient->getFile("/participant/Fl0dsItC_Airtel.png", $f);
     //return $dbxClient->getMetadata("/participant/Fl0dsItC_Airtel.png");
     fclose($f);
     //return View::make('dropbox/dropbox');
 }