Question

I am trying to fetchg data from server like MP3 files, video files, etc. in my application. The application should show the list of video files received from the server.

How can I do this?

Answer 1

/** this function will download content from the internet */
    static int writeData(String fileurl, boolean append, String path,
            String filename, Activity mContext) throws CustomException {

        URL myfileurl = null;
        ByteArrayBuffer baf = null;
        HttpURLConnection conn = null;
        String mimeType="";
        final int length;
        try {
            myfileurl = new URL(fileurl);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        try {
            conn = (HttpURLConnection) myfileurl
                    .openConnection();
            conn.setDoInput(true);
            conn.connect();
            conn.setConnectTimeout(100000);

            length = conn.getContentLength();
            mimeType=conn.getContentType().toString();
            System.out.println("Extension..."+mimeType);
            if(mimeType.equalsIgnoreCase("application/vnd.adobe.adept+xml") || mimeType.equalsIgnoreCase("text/html; charset=utf-8"))
                return 0;

            if (length > 0) {
                InputStream is = conn.getInputStream();
                BufferedInputStream bis = new BufferedInputStream(is);
                baf = new ByteArrayBuffer(1000);
                int current = 0;
                while ((current = bis.read()) != -1) {
                    try {
                        baf.append((byte) current);

                        mBufferError=false;
                    } catch (Exception e){
                        // TODO: handle exception
                        mBufferError=true;
                        e.printStackTrace();
                        throw new CustomException("@@@ memory problem ", "Buffer Error");
                    }
                }
            }

        } catch (IOException e) {
            mBufferError=true;
            e.printStackTrace();
        }
        try{
        if(conn.getResponseCode()==200 && mBufferError==false)
        {
            path = path + "/" + filename;
            boolean appendData = append;
            FileOutputStream foutstream;

                File file = new File(path);
            boolean exist = false;

            try {
                if (appendData)
                    exist = file.exists();
                else
                    exist = file.createNewFile();
            } catch (IOException e) {
                try {
                    return 1;
                } catch (Exception err) {
                    Log.e("SAX", err.toString());
                }
            }
            if (!appendData && !exist) {
            } else if (appendData && !exist) {

            } else {
                try {
                    foutstream = new FileOutputStream(file, appendData);
                    foutstream.write(baf.toByteArray());
                    foutstream.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
        }catch (Exception e) {
            // TODO: handle exception
            throw new CustomException("@@@ I/O problem ", "I/O Error");
        }
        return 1;
    }

once download complete search the file with extension(.3gp) for video
hope it helps