Android App upload file to PHP script

piggybank1974 · April 20, 2014

Hi All,

This is driving me nuts so I'm asking for help.

I'm try to get my android test app to upload a file to my Synology box cs407.

I've tried it though a HTML form and it works ok

HTML code is:

<html>
 <body>
  <form action="UploadToServer.php" method="post" enctype="multipart/form-data">
   <label for="file">Filename:</label>
   <input type="file" name="filename" id="filename"><br>
   <input type="submit" name="submit" value="Submit">
  </form>
 </body>
</html>

PHP Code is

<?php
 $allowedExts = array("gif", "jpeg", "jpg", "png");
 $temp = explode(".", $_FILES["filename"]["name"]);
$extension = end($temp);
 if ((($_FILES["filename"]["type"] == "image/gif")
 || ($_FILES["filename"]["type"] == "image/jpeg")
 || ($_FILES["filename"]["type"] == "image/jpg")
|| ($_FILES["filename"]["type"] == "image/pjpeg")
|| ($_FILES["filename"]["type"] == "image/x-png")
 || ($_FILES["filename"]["type"] == "image/png"))
 && ($_FILES["filename"]["size"] < 20000)
 && in_array($extension, $allowedExts))
   {
   if ($_FILES["filename"]["error"] > 0)
     {
     echo "Return Code: " . $_FILES["filename"]["error"] . "<br>";
     }
   else
     {
     echo "Upload: " . $_FILES["filename"]["name"] . "<br>";
     echo "Type: " . $_FILES["filename"]["type"] . "<br>";
     echo "Size: " . ($_FILES["filename"]["size"] / 1024) . " kB<br>";
     echo "Temp file: " . $_FILES["filename"]["tmp_name"] . "<br>";

     if (file_exists('uploads/' . $_FILES["filename"]["name"]))
       {
       echo $_FILES["filename"]["name"] . " already exists. ";
       }
     else
       {
       move_uploaded_file($_FILES["filename"]["tmp_name"], 'uploads/' . $_FILES["filename"]["name"]);
       echo "Stored in: " . 'uploads/' . $_FILES["filename"]["name"];
       }
     }
   }
 else
   {
   echo "Invalid file";
   }
 ?>

The android code is:

public int uploadFile(String sourceFileUri, String MyFilename)
 {
  String fileName = sourceFileUri;
  HttpURLConnection conn = null;
  DataOutputStream dos = null;
  String lineEnd = "\r\n";
  String twoHyphens = "--";
  String boundary = "*****";
  int bytesRead, bytesAvailable, bufferSize;
  byte[] buffer;
  int maxBufferSize = 1 * 1024 * 1024;
  File sourceFile = new File(sourceFileUri);
  if (!sourceFile.isFile())
    {
//     dialog.dismiss();
  Log.e("uploadFile", "Source File not exist :" + imagepath);
   runOnUiThread(new Runnable()
   {
    public void run()
    {
     messageText.setText("Source File not exist :" + imagepath);
    }
   });
   return 0;
    }
    else
          {
           try
                {
                 // open a URL connection to the Servlet
                 FileInputStream fileInputStream = new FileInputStream(sourceFile);
                 URL url = new URL(upLoadServerUri);
                 // Open a HTTP  connection to  the URL
                  conn = (HttpURLConnection) url.openConnection();
                  conn.setDoInput(true);
                 // Allow Inputs
                  conn.setDoOutput(true);
                 // Allow Outputs
                  conn.setUseCaches(false); // Don't use a Cached Copy
                  conn.setRequestMethod("POST");
                  conn.setRequestProperty("Connection", "Keep-Alive");
                  //conn.setRequestProperty("ENCTYPE", "multipart/form-data");
                  conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
                  //conn.setRequestProperty("filename", fileName);
                  dos = new DataOutputStream(conn.getOutputStream());
                  dos.writeBytes(twoHyphens + boundary + lineEnd);
                  dos.writeBytes("Content-Disposition: form-data; name=\"filename\";filename=\""  + fileName + "\"" + lineEnd);
                  dos.writeBytes(lineEnd);
                 // create a buffer of  maximum size
                 bytesAvailable = fileInputStream.available();
                 bufferSize = Math.min(bytesAvailable, maxBufferSize);
                 buffer = new byte[bufferSize];
                 // read file and write it into form...
                  bytesRead = fileInputStream.read(buffer, 0, bufferSize);
                 int TotalBytes=bytesRead;

                  while (bytesRead > 0)
                  {
                   dos.write(buffer, 0, bufferSize);
                   bytesAvailable = fileInputStream.available();
                   bufferSize = Math.min(bytesAvailable, maxBufferSize);
                   bytesRead = fileInputStream.read(buffer, 0, bufferSize);
                   TotalBytes += bytesRead;
                   Log.i("uploadFile", "Total is: " + TotalBytes);
                  }
                  // send multipart form data necesssary after file data...
                   dos.writeBytes(lineEnd);
                   dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
                  // Responses from the server (code and message)
                   serverResponseCode = conn.getResponseCode();
                   String serverResponseMessage = conn.getResponseMessage();
                   Log.i("uploadFile", "HTTP Response is : " + serverResponseMessage + ": " + serverResponseCode);
                   if (serverResponseCode == 200)
                     {
                      runOnUiThread(new Runnable()
                      {
                       public void run()
                       {
                       String msg = "File Upload Completed.\n\n See uploaded file here : \n\n" +" F:/wamp/wamp/www/uploads";
                       messageText.setText(msg);
                       Toast.makeText(MainActivity.this, "File Upload Complete.", Toast.LENGTH_SHORT).show();
                       }
                      });
                     }
                 // close the streams //
                  fileInputStream.close();
                  dos.flush();
                  dos.close();
                }
           catch (MalformedURLException ex)
           {
       //    dialog.dismiss();
          ex.printStackTrace();
           runOnUiThread(new Runnable()
           {
           public void run()
           {
           messageText.setText("MalformedURLException Exception : check script url.");
           Toast.makeText(MainActivity.this, "MalformedURLException", Toast.LENGTH_SHORT).show();
           }
           });
          Log.e("uploadFile", "error: " + ex.getMessage(), ex);
            }
           catch (Exception e)
           {
          // dialog.dismiss();
           e.printStackTrace();
          runOnUiThread(new Runnable()
          {
          public void run() {
          messageText.setText("Got Exception : see logcat ");
          Toast.makeText(MainActivity.this, "Got Exception : see logcat ", Toast.LENGTH_SHORT).show();
          }
          });
           Log.e("uploadFile", "Exception : "  + e.getMessage(), e);
           }
      // dialog.dismiss();
      // return serverResponseCode;
       } // End else block

      return 0;
     }

so I call it like this:

[HIGH]
uploadFile("/storage/sdcard0/Pictures/Screenshots/Screenshot_2013-11-04-16-14-35.png");
[/HIGH]

I do get a response of 200 but there is no file on the server, the folder permissions are 777, which will go to 666 once I know it will work ok.

I'm using a Samsung Galaxy note 10.1 on my network.
thanks in advance

bardez · August 19, 2014

I have the same problem .. no solutions was founded yet !!!

juanasteves · November 26, 2014

I am a newbie to Android development and just gone through your above mentioned code. Trying to figure out the error, will get back to you soon, once I get over this.

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Android App upload file to PHP script

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