Android中使用JavaMail发送邮件

       项目中有一个需求：当Android程序异常退出的时候把日志啊、堆栈信息整成一个邮件，发给指定邮箱。粗一搜都是用Intent的方式——但这不符合我们的需要，我们并不需要使用用户的邮箱来发送，也不关心用户是否有配置邮箱，只要用户能上网，直接把smtp报文扔给服务器即可。

方法如下：

1）去http://code.google.com/p/javamail-android/，下载additionnal.jar、mail.jar、activation.jar 三个包，在项目中创建libs，将下载的3个jar包放在该目录下。

2）eclipse，编辑项目，Add Jars，把那三个jar包都添加了。

3）创建EmailSender类

import java.io.File;

import java.util.Date;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.Address;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.AddressException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

public class EmailSender {

    private Properties properties;

    private Session session;

    private Message message;

    private MimeMultipart multipart;

    public EmailSender() {

            super();

            this.properties = new Properties();

    }

    public void setProperties(String host,String post){

            //地址

            this.properties.put("mail.smtp.host",host);

            //端口号

            this.properties.put("mail.smtp.post",post);

            //是否验证

            this.properties.put("mail.smtp.auth",true);

            this.session=Session.getInstance(properties);

            this.message = new MimeMessage(session);

            this.multipart = new MimeMultipart("mixed");

    }

   

    public void setReceiver(String[] receiver) throws MessagingException{

            Address[] address = new InternetAddress[receiver.length];

            for(int i=0;i

                    address[i] = new InternetAddress(receiver[i]);

            }

            this.message.setRecipients(Message.RecipientType.TO, address);

    }

   

    public void setMessage(String from,String title,String content) throws AddressException,

MessagingException{

            this.message.setFrom(new InternetAddress(from));

            this.message.setSubject(title);

            //纯文本的话用setText()就行，不过有附件就显示不出来内容了

            MimeBodyPart textBody = new MimeBodyPart();

            textBody.setContent(content,"text/html;charset=gbk");

            this.multipart.addBodyPart(textBody);

    }

   

    public void addAttachment(String filePath) throws MessagingException{

            FileDataSource fileDataSource = new FileDataSource(new File(filePath));

            DataHandler dataHandler = new DataHandler(fileDataSource);

            MimeBodyPart mimeBodyPart = new MimeBodyPart();

            mimeBodyPart.setDataHandler(dataHandler);

            mimeBodyPart.setFileName(fileDataSource.getName());

            this.multipart.addBodyPart(mimeBodyPart);

    }

   

    public void sendEmail(String host,String account,String pwd) throws MessagingException{

            //发送时间

            this.message.setSentDate(new Date());

            //发送的内容，文本和附件

            this.message.setContent(this.multipart);

            this.message.saveChanges();

            //创建邮件发送对象，并指定其使用SMTP协议发送邮件 

            Transport transport=session.getTransport("smtp"); 

            //登录邮箱 

            transport.connect(host,account,pwd); 

            //发送邮件

            transport.sendMessage(message, message.getAllRecipients());

            //关闭连接

            transport.close();

    }

}

4）发送邮件

EmailSender可以当作一个工具类来用，直接调用方法

发邮件是耗时操作，记得起个新线程

EmailSender sender = new EmailSender();

//设置服务器地址和端口，网上搜的到

 sender.setProperties("smtp.126.com", "25");

//分别设置发件人，邮件标题和文本内容

sender.setMessage("******@126.com", "EmailSender", "This is from JavaMail !");

//设置收件人

sender.setReceiver(new String[]{"******@gmail.com","******@qq.com"});

//添加附件

sender.addAttachment("/sdcard/debug.txt");

//发送邮件

sender.sendEmail("smtp.126.com", "******@126.com", "密码******");

注意:需要再AndroidManifest.xml中添加网络权限

 

 

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