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POAndroid - How do you pass a byte[] to a .net Webservice using HttpClient / HttpPost?
 

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  1. POAndroid - How do you pass a byte[] to a .net Webservice using HttpClient / HttpPost?
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    <p>How can I call a Webservice with a byte[] parameter? Tried using the namedvaluepairs, but they take strings only. I am not using the Ksoap2, we decided to use the HttpClient / HttpPost method.</p> <p>Anyone have any ideas?</p> <p>Here is my code:</p> <pre><code>public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // WORKS WITH JPEG FILE -- String existingFileName = "/sdcard/dcim/Camera/1225231027592.jpg"; String existingFileName = "/sdcard/dcim/0217175.jpg"; String mMyFilename = "0217175.jpg"; // /sdcard/Music/kryptonite.mp3"; //DOES NOT WORK WITH MP3 FILE File uploadFile = new File(existingFileName); FileInputStream fileInputStream = null; try { fileInputStream = new FileInputStream(uploadFile); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } String lineEnd = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; String mTest; String Method = null; try { //******************************************************************** // Create the HttpClient and the HttpPost // Note: Need to use HttpPost because of arguments/parameters //******************************************************************** HttpClient client = new DefaultHttpClient(); HttpPost request = new HttpPost(); fileInputStream = new FileInputStream(uploadFile); // create a buffer of maximum size int bytesAvailable = fileInputStream.available(); int maxBufferSize = 1024; int bufferSize = Math.min(bytesAvailable, maxBufferSize); byte[] buffer = new byte[bufferSize]; // read file and write it into form... int bytesRead = fileInputStream.read(buffer, 0, bufferSize); //************************************************************* //Add Value Pairs for Parameters to pass to the Webservice //************************************************************* List&lt;NameValuePair&gt; nameValuePairs = new ArrayList&lt;NameValuePair&gt;(2); //nameValuePairs.add(new BasicNameValuePair(buffer)); nameValuePairs.add(new BasicNameValuePair("filename", mMyFilename)); } catch (MalformedURLException ex) { // Log.e(Tag, "error: " + ex.getMessage(), ex); } catch (IOException ioe) { String s = ""; //Log.e(Tag, "error: " + ioe.getMessage(), ioe); } } </code></pre> <p>}</p> <p>The Web Service:</p> <pre><code>[WebMethod] public void PutFile(byte[] buffer, string filename) { string serverpath; //serverpath = @"\\63.237.52.201\UploadFiles\Incoming\"; serverpath = @"C:\Temp\"; //BinaryWriter binWriter = new BinaryWriter(File.Open(Server.MapPath(filename), FileMode.CreateNew, FileAccess.ReadWrite)); BinaryWriter binWriter = new BinaryWriter(File.Open(serverpath + filename, FileMode.CreateNew, FileAccess.ReadWrite)); binWriter.Write(buffer); binWriter.Close(); } </code></pre>
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