Sending Email with Attachment in Blackberry

This tutorial explains how to send email with attachment in blackberry. Before sending email, make sure that your blackberry device is configured with mail application.

import net.rim.blackberry.api.mail.Address;
import net.rim.blackberry.api.mail.Folder;
import net.rim.blackberry.api.mail.Message;
import net.rim.blackberry.api.mail.Multipart;
import net.rim.blackberry.api.mail.Session;
import net.rim.blackberry.api.mail.SupportedAttachmentPart;
import net.rim.blackberry.api.mail.TextBodyPart;
import net.rim.blackberry.api.mail.Transport;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.Manager;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.EditField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.SeparatorField;
import net.rim.device.api.ui.container.HorizontalFieldManager;
import net.rim.device.api.ui.container.PopupScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;

public class MailDetailsPopup extends PopupScreen implements FieldChangeListener {
private VerticalFieldManager verticalFieldManager = null; 
private ButtonField send = null;
private ButtonField cancel = null;
private EditField toAddress = null;
private EditField quoteName = null;
//private EditField subject = null;
private EditField msg = null;

 public MailDetailsPopup() {
  super(new VerticalFieldManager(), Field.FOCUSABLE);

  verticalFieldManager = new VerticalFieldManager (Manager.VERTICAL_SCROLL);

  toAddress = new EditField();
  verticalFieldManager.add(new LabelField("To:"));
  verticalFieldManager.add(new SeparatorField());
  verticalFieldManager.add(toAddress);

  quoteName = new EditField(null,"",50,0);
  verticalFieldManager.add(new LabelField("Quote Name:"));
  verticalFieldManager.add(new SeparatorField());
  verticalFieldManager.add(quoteName);

  msg = new EditField();
  verticalFieldManager.add(new LabelField("Message:"));
  verticalFieldManager.add(new SeparatorField());
  verticalFieldManager.add(msg);

  HorizontalFieldManager btnMgr = new HorizontalFieldManager(Manager.FIELD_HCENTER);  
  cancel = new ButtonField("Cancel");
  send = new ButtonField("Send");
  cancel.setChangeListener(this);
  send.setChangeListener(this);

  btnMgr.add(cancel);
  btnMgr.add(send);
  verticalFieldManager.add(btnMgr);  
  add(verticalFieldManager);

 }
 public void fieldChanged(Field field, int arg1) {
  if(field == cancel){
   UiApplication.getUiApplication().popScreen(
         UiApplication.getUiApplication().getActiveScreen());
  }
  else if(field == send){
   new Thread(new Runnable() {
       public void run() {
        sendMail();
       }

    private void sendMail() {
     Multipart mp = new Multipart();
              //data for the content of the file
              String fileData = getHTML();              
              String email = toAddress.getText();              
              String messageData = msg.getText();           
              String subject = quoteName.getText();              
                 //create the file
               SupportedAttachmentPart sap = new SupportedAttachmentPart(mp,"text/html",                              subject+".html", fileData.getBytes());

               TextBodyPart tbp = new TextBodyPart(mp, messageData);

               //add the file to the multi part
               mp.addBodyPart(tbp);
               mp.addBodyPart(sap);

               //create a message in the sent items folder
               Folder folders[] = Session.getDefaultInstance().getStore().list(Folder.SENT);

               Message message = new Message(folders[0]);
               message.setSubject(subject);
               //add recipients to the message and send
               try {
                    Address toAdd = new Address(email,email);
                    Address toAdds[] = new Address[1];
                    toAdds[0] = toAdd;
                    message.addRecipients(Message.RecipientType.TO,toAdds);
                    message.setContent(mp);

                    Transport.send(message);
               } catch (Exception e) {
                    Dialog.inform(e.toString());
               }
    }

    private String getHTML() {
     String str = "sample It is sexy. ";
     return str;
    }
     }).start();

   UiApplication.getUiApplication().popScreen(             UiApplication.getUiApplication().getActiveScreen());
  }
 }
}