آپلود عکس به سرور در اندروید

سلام به شما دوست عزیز.

کد زیر برای آپلود فایل در اندروید می باشد.

    public int uploadFile(String sourceFileUri) {
          
    	  
    	  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 :"
	        		               +uploadFilePath + "" + uploadFileName);
	           
	           runOnUiThread(new Runnable() {
	               public void run() {
	            	   messageText.setText("Source File not exist :"
	            			   +uploadFilePath + "" + uploadFileName);
	               }
	           }); 
	           
	           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("uploaded_file", fileName); 
	               
	               dos = new DataOutputStream(conn.getOutputStream());
	     
	               dos.writeBytes(twoHyphens + boundary + lineEnd); 
	               dos.writeBytes("Content-Disposition: form-data; name="uploaded_file";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);  
	                 
	               while (bytesRead > 0) {
	            	   
	                 dos.write(buffer, 0, bufferSize);
	                 bytesAvailable = fileInputStream.available();
	                 bufferSize = Math.min(bytesAvailable, maxBufferSize);
	                 bytesRead = fileInputStream.read(buffer, 0, bufferSize);   
	                 
	                }
	     
	               // 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"
	                        		          +" http://www.androidexample.com/media/uploads/"
	                        		          +uploadFileName;
	                        	
	                        	messageText.setText(msg);
	                            Toast.makeText(UploadToServer.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(UploadToServer.this, "MalformedURLException", 
                                                              Toast.LENGTH_SHORT).show();
	                  }
	              });
	              
	              Log.e("Upload file to server", "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(UploadToServer.this, "Got Exception : see logcat ", 
	                    		  Toast.LENGTH_SHORT).show();
	                  }
	              });
	              Log.e("Upload file to server Exception", "Exception : " 
	            		                           + e.getMessage(), e);  
	          }
	          dialog.dismiss();       
	          return serverResponseCode; 
	          
           } // End else block 
         }