class DownloadFileAsync extends AsyncTask<String, Integer, String> {

        int myProgress = 0;
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            showDialog(DIALOG_DOWNLOAD_PROGRESS);
        }

        @Override
        protected String doInBackground(String... aurl) {
            try {
                try {
                    if (GlobalVariable.dataFromdatabase) {
                        GlobalVariable.myDbHelper = new DataBaseHelper(
                                HomeActivity.this);
                        GlobalVariable.myDbHelper.createDataBase();
                        GlobalVariable.myDbHelper.openDataBase();
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
                while(myProgress<100){
                    myProgress++;
                    publishProgress(myProgress);
                    SystemClock.sleep(100);

                    Sync();  // function for parsing and insert
                }
            } catch (Exception e) {}
            return null;

        }
        protected void onProgressUpdate(Integer... values) {
            progressBar.setProgress(values[0]);
        }

        @Override
        protected void onPostExecute(String unused) {
            dismissDialog(DIALOG_DOWNLOAD_PROGRESS);