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PODownload PDF file android
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copied!<p>i have An Error while download PDF file From Server and save it on SD i have permission To Access internet and external storage .. It`s working fine on android 2.3.6 But on Tab 4.1.1 its create the file with 0 byte </p> <pre><code>URL url = new URL("https://docs.google.com/"+direct); //create the new connection HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection(); //set up some things on the connection urlConnection.setRequestMethod("GET"); urlConnection.setRequestProperty("Connection", "Keep-Alive"); urlConnection.setRequestProperty("Content-Type", "application/xml"); urlConnection.setDoOutput(true); //and connect! urlConnection.connect(); //set the path where we want to save the file //in this case, going to save it on the root directory of the //sd card. File SDCardRoot = new File(Environment.getExternalStorageDirectory().getAbsoluteFile()+"/folder/"); //create a new file, specifying the path, and the filename //which we want to save the file as. File file = new File(SDCardRoot,book.getBook_name()+".pdf"); //this will be used to write the downloaded data into the file we created FileOutputStream fileOutput = new FileOutputStream(file); //this will be used in reading the data from the internet InputStream inputStream = urlConnection.getInputStream(); //this is the total size of the file totalSize = urlConnection.getContentLength(); //variable to store total downloaded bytes //create a buffer... byte[] buffer = new byte[1024]; int bufferLength = 0; //used to store a temporary size of the buffer //now, read through the input buffer and write the contents to the file while ( (bufferLength = inputStream.read(buffer)) > 0 ) { //add the data in the buffer to the file in the file output stream (the file on the sd card fileOutput.write(buffer, 0, bufferLength); //add up the size so we know how much is downloaded downloadedSize += bufferLength; //this is where you would do something to report the prgress, like this maybe publishProgress((downloadedSize*100)/totalSize); } //close the output stream when done fileOutput.close(); //catch some possible errors... } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } </code></pre>

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