title: How to open downloaded file with app in IOS?
body: <p>I am developing a app in which i downloaded datas of various format such as (.pdf,.txt,.mp3 etc) i have used the code</p>
  
  <p><code>NSString  *filePath = [NSString stringWithFormat:@"%@/%@", documentsDirectory,recFilName];
      [nsdataFromBase64String writeToFile:filePath atomically:YES];
  </code></p>
  
  <p>I successfully downloaded by using the above code, Now i have to open the downloaded files with the appropriate app that supports that extension can any one help me with the code.</p>