[android-developers] Re: Donwloadin incomplete file

I'd say you are probably trying to write to a bad filename.

Maybe try changing the file open code to this:

FileOutputStream fos = new FileOutputStream(Environment

.getExternalStorageDirectory().toString()

+ "/"

+ "test.hmm");

Thanks.

On Monday, May 20, 2013 7:25:12 AM UTC-5, rahul kaushik wrote:

Hi,

I am trying to download the file as this is 2 mb but it is downlaoding only 7.1 kb below is my code

class DownloadFileFromURL extends AsyncTask<String, String, String> {

   /**

    * Before starting background thread Show Progress Bar Dialog

    * */

   @Override

   protected void onPreExecute() {

       super.onPreExecute();

       showDialog(progress_bar_type);

   }

   /**

    * Downloading file in background thread

    * */

   @Override

   protected String doInBackground(String... f_url) {

       int count;

       final int BUFFER_SIZE = 128;

       File root = android.os.Environment.getExternalStorageDirectory();

       try {

           URL url = new URL(f_url[0]);

           String fileName=url.toString();;

// String Filename=   getFileName(url);

         

           String newpath = fileName.replace('\\','/');

           int start = newpath.lastIndexOf("=");

           if ( start == -1)

           {

             start = 0;

           }

           else

           {

             start = start + 1;

           }

           String pageName = newpath.substring(start, newpath.length());

  

        

           long startTime = System.currentTimeMillis();

        Log.d("getFileName", pageName);

      

        

        URLConnection ucon = url.openConnection();

        ucon.connect();

        int lengthofFile = ucon.getContentLength();

             /*

              * Define InputStreams to read from the URLConnection.

              */

             InputStream is = ucon.getInputStream();

             BufferedInputStream bis = new BufferedInputStream(is);

             /*

              * Read bytes to the Buffer until there is nothing more to read(-1).

              */

             ByteArrayBuffer baf = new ByteArrayBuffer(50000);

             int current = 0;

             while ((current = bis.read()) != -1) {

                     baf.append((byte) current);

             }

             /* Convert the Bytes read to a String. */

             File file = new File(fileName);

             FileOutputStream fos = new FileOutputStream(Environment.getExternalStorageDirectory().toString()+ "/"+pageName.trim());

             //Log.d("root:", root.toString());

             fos.write(baf.toByteArray());

             fos.close();

             Log.d("ImageManager", "download ready in"

                             + ((System.currentTimeMillis() - startTime) / 1000)

                             + " sec");

        

        

        

        

        

       } catch (Exception e) {

           Log.e("Error: ", e.getMessage());

       }

       return null;

   }

   /**

    * Updating progress bar

    * */

   protected void onProgressUpdate(String... progress) {

       // setting progress percentage

       pDialog.setProgress(Integer.parseInt(progress[0]));

   }

   /**

    * After completing background task Dismiss the progress dialog

    * **/

   @Override

   protected void onPostExecute(String file_url) {

       // dismiss the dialog after the file was downloaded

       dismissDialog(progress_bar_type);

      // String imagePath = Environment.getExternalStorageDirectory().toString() + "/downloadedfile.jpg";

            // setting downloaded into image view

          //  my_image.setImageDrawable(Drawable.createFromPath(imagePath));

   }

}

PLease Suggest

Thanks

RK

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