android pop3与imap方式接收邮件（javamail）

需要下载3个jar包：mail.jar/    activation.jar/    additionnal.jar

1.pop3

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1. private void getEmail() {  
2.     List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();  
3.     try {  
4.         Properties props = System.getProperties();  
5.         props.put("mail.smtp.host", "smtp.163.com");  
6.         props.put("mail.smtp.auth", "true");  
7.         Session session = Session.getDefaultInstance(props, null);  
8.         URLName urln = new URLName("pop3", "pop3.163.com", 110, null,  
9.                 "邮箱名（没有@163.com）", "密码");  
10.         // 邮件协议为pop3，邮件服务器是pop3.163.com，端口为110，用户名/密码为abcw111222/123456w  
11.         Store store = session.getStore(urln);  
12.         store.connect();  
13.         Folder folder = store.getFolder("INBOX");  
14.         folder.open(Folder.READ_WRITE);  
15.         Message message[] = folder.getMessages();  
16.         if (message.length > 0) {  
17.             Map<String, Object> map;  
18.             System.out.println("Messages's length: " + message.length);  
19.             ReciveOneMail pmm = null;  
20.             for (int i = 0; i < message.length; i++) {  
21.                 System.out.println("======================");  
22.                 pmm = new ReciveOneMail((MimeMessage) message[i]);  
23.                 System.out.println("Message " + i + " subject: "  
24.                         + pmm.getSubject());  
25.                 System.out.println("Message " + i + " sentdate: "  
26.                         + pmm.getSentDate());  
27.                 System.out.println("Message " + i + " replysign: "  
28.                         + pmm.getReplySign());  
29.                 boolean isRead = pmm.isNew();// 判断邮件是否为已读  
30.                 System.out.println("Message " + i + " hasRead: " + isRead);  
31.                 System.out.println("Message " + i + "  containAttachment: "  
32.                         + pmm.isContainAttach((Part) message[i]));  
33.                 System.out.println("Message " + i + " form: "  
34.                         + pmm.getFrom());  
35.                 System.out.println("Message " + i + " to: "  
36.                         + pmm.getMailAddress("to"));  
37.                 System.out.println("Message " + i + " cc: "  
38.                         + pmm.getMailAddress("cc"));  
39.                 System.out.println("Message " + i + " bcc: "  
40.                         + pmm.getMailAddress("bcc"));  
41.                 pmm.setDateFormat("yy年MM月dd日 HH:mm");  
42.                 System.out.println("Message " + i + " sentdate: "  
43.                         + pmm.getSentDate());  
44.                 System.out.println("Message " + i + " Message-ID: "  
45.                         + pmm.getMessageId());  
46.                 // 获得邮件内容===============  
47.                 pmm.getMailContent((Part) message[i]);  
48.                 System.out.println("Message " + i + " bodycontent: \r\n"  
49.                         + pmm.getBodyText());  
50.                 String file_path = File.separator + "mnt" + File.separator  
51.                         + "sdcard" + File.separator;  
52.                 System.out.println(file_path);  
53.                 pmm.setAttachPath(file_path);  
54.                 pmm.saveAttachMent((Part) message[i]);  
55.                 map = new HashMap<String, Object>();  
56.                 map.put("from", pmm.getFrom());  
57.                 map.put("title", pmm.getSubject());  
58.                 map.put("time", pmm.getSentDate());  
59.                 map.put("read", isRead);  
60.                 list.add(map);  
61.             }  
62.             SimpleAdapter adapter = new SimpleAdapter(MainActivity.this,  
63.                     list, R.layout.item_receiveemail, new String[] {  
64.                             "from", "title", "time", "read" }, new int[] {  
65.                             R.id.item_receive_sendname,  
66.                             R.id.item_receive_title,  
67.                             R.id.item_receive_sendtime,  
68.                             R.id.item_receive_read });  
69.             lv.setAdapter(adapter);  
70.         } else {  
71.             Toast.makeText(MainActivity.this, "没有邮件", Toast.LENGTH_SHORT)  
72.                     .show();  
73.         }  
74.     } catch (NoSuchProviderException e) {  
75.         // TODO Auto-generated catch block  
76.         e.printStackTrace();  
77.     } catch (MessagingException e) {  
78.         // TODO Auto-generated catch block  
79.         e.printStackTrace();  
80.     } catch (Exception e) {  
81.         // TODO Auto-generated catch block  
82.         e.printStackTrace();  
83.     }  
84. }  

2.imap方式

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1. private void getImapEmail() {  
2.     String user = "[email protected]";// 邮箱的用户名  
3.     String password = "123456w"; // 邮箱的密码  
4.     Properties prop = System.getProperties();  
5.     prop.put("mail.store.protocol", "imap");  
6.     prop.put("mail.imap.host", "imap.163.com");  
7.     Session session = Session.getInstance(prop);  
8.     int total = 0;  
9.     IMAPStore store;  
10.     try {  
11.         store = (IMAPStore) session.getStore("imap"); // 使用imap会话机制，连接服务器  
12.         store.connect(user, password);  
13.         IMAPFolder folder = (IMAPFolder) store.getFolder("INBOX"); // 收件箱  
14.         folder.open(Folder.READ_WRITE);  
15.         // 获取总邮件数  
16.         total = folder.getMessageCount();  
17.         System.out.println("---共有邮件：" + total + " 封---");  
18.         // 得到收件箱文件夹信息，获取邮件列表  
19.         List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();  
20.         System.out.println("未读邮件数：" + folder.getUnreadMessageCount());  
21.         Message[] messages = folder.getMessages();  
22.         if (messages.length > 0) {  
23.             Map<String, Object> map;  
24.             System.out.println("Messages's length: " + messages.length);  
25.             ReciveOneMail pmm = null;  
26.             for (int i = 0; i < messages.length; i++) {  
27.                 System.out.println("======================");  
28.                 pmm = new ReciveOneMail((MimeMessage) messages[i]);  
29.                 System.out.println("Message " + i + " subject: "  
30.                         + pmm.getSubject());  
31.                 try {  
32.                     System.out.println("Message " + i + " sentdate: "  
33.                             + pmm.getSentDate());  
34.                     System.out.println("Message " + i + " replysign: "  
35.                             + pmm.getReplySign());  
36.                     boolean isRead;// 用来判断该邮件是否为已读  
37.                     String read;  
38.                     Flags flags = messages[i].getFlags();  
39.                     if (flags.contains(Flags.Flag.SEEN)) {  
40.                         System.out.println("这是一封已读邮件");  
41.                         isRead = true;  
42.                         read = "已读";  
43.                     } else {  
44.                         System.out.println("未读邮件");  
45.                         isRead = false;  
46.                         read = "未读";  
47.                     }  
48.                     System.out.println("Message " + i + " hasRead: "  
49.                             + isRead);  
50.                     System.out.println("Message " + i  
51.                             + "  containAttachment: "  
52.                             + pmm.isContainAttach((Part) messages[i]));  
53.                     System.out.println("Message " + i + " form: "  
54.                             + pmm.getFrom());  
55.                     System.out.println("Message " + i + " to: "  
56.                             + pmm.getMailAddress("to"));  
57.                     System.out.println("Message " + i + " cc: "  
58.                             + pmm.getMailAddress("cc"));  
59.                     System.out.println("Message " + i + " bcc: "  
60.                             + pmm.getMailAddress("bcc"));  
61.                     pmm.setDateFormat("yy年MM月dd日 HH:mm");  
62.                     System.out.println("Message " + i + " sentdate: "  
63.                             + pmm.getSentDate());  
64.                     System.out.println("Message " + i + " Message-ID: "  
65.                             + pmm.getMessageId());  
66.                     // 获得邮件内容===============  
67.                     pmm.getMailContent((Part) messages[i]);  
68.                     System.out.println("Message " + i  
69.                             + " bodycontent: \r\n" + pmm.getBodyText());  
70.                     String file_path = File.separator + "mnt"  
71.                             + File.separator + "sdcard" + File.separator;  
72.                     System.out.println(file_path);  
73.                     pmm.setAttachPath(file_path);  
74.                     pmm.saveAttachMent((Part) messages[i]);  
75.                     map = new HashMap<String, Object>();  
76.                     map.put("from", pmm.getFrom());  
77.                     map.put("title", pmm.getSubject());  
78.                     map.put("time", pmm.getSentDate());  
79.                     map.put("read", read);  
80.                     list.add(map);  
81.                 } catch (Exception e) {  
82.                     // TODO Auto-generated catch block  
83.                     e.printStackTrace();  
84.                 }  
85.             }  
86.             SimpleAdapter adapter = new SimpleAdapter(MainActivity.this,  
87.                     list, R.layout.item_receiveemail, new String[] {  
88.                             "from", "title", "time", "read" }, new int[] {  
89.                             R.id.item_receive_sendname,  
90.                             R.id.item_receive_title,  
91.                             R.id.item_receive_sendtime,  
92.                             R.id.item_receive_read });  
93.             lv.setAdapter(adapter);  
94.         }  
95.     } catch (javax.mail.NoSuchProviderException e) {  
96.         // TODO Auto-generated catch block  
97.         e.printStackTrace();  
98.     } catch (MessagingException e) {  
99.         // TODO Auto-generated catch block  
100.         e.printStackTrace();  
101.     }  
102. }  

下面为用到的一个类，用来读取除了判断是否已读的信息之外的内容

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1. @SuppressLint("DefaultLocale")  
2. public class ReciveOneMail {  
3.     private MimeMessage mimeMessage = null;  
4.     private String saveAttachPath = ""; // 附件下载后的存放目录  
5.     private StringBuffer bodytext = new StringBuffer();// 存放邮件内容  
6.     private String dateformat = "yy-MM-dd HH:mm"; // 默认的日前显示格式  
7.     public ReciveOneMail(MimeMessage mimeMessage) {  
8.         this.mimeMessage = mimeMessage;  
9.     }  
10.     public void setMimeMessage(MimeMessage mimeMessage) {  
11.         this.mimeMessage = mimeMessage;  
12.     }  
13.     public String getFrom() throws Exception {  
14.         InternetAddress address[] = (InternetAddress[]) mimeMessage.getFrom();  
15.         String from = address[0].getAddress();  
16.         if (from == null)  
17.             from = "";  
18.         String personal = address[0].getPersonal();  
19.         if (personal == null)  
20.             personal = "";  
21.         String fromaddr = personal + "<" + from + ">";  
22.         return fromaddr;  
23.     }  
24.     @SuppressLint("DefaultLocale")  
25.     public String getMailAddress(String type) throws Exception {  
26.         String mailaddr = "";  
27.         String addtype = type.toUpperCase();  
28.         InternetAddress[] address = null;  
29.         if (addtype.equals("TO") || addtype.equals("CC")  
30.                 || addtype.equals("BCC")) {  
31.             if (addtype.equals("TO")) {  
32.                 address = (InternetAddress[]) mimeMessage  
33.                         .getRecipients(Message.RecipientType.TO);  
34.             } else if (addtype.equals("CC")) {  
35.                 address = (InternetAddress[]) mimeMessage  
36.                         .getRecipients(Message.RecipientType.CC);  
37.             } else {  
38.                 address = (InternetAddress[]) mimeMessage  
39.                         .getRecipients(Message.RecipientType.BCC);  
40.             }  
41.             if (address != null) {  
42.                 for (int i = 0; i < address.length; i++) {  
43.                     String email = address[i].getAddress();  
44.                     if (email == null)  
45.                         email = "";  
46.                     else {  
47.                         email = MimeUtility.decodeText(email);  
48.                     }  
49.                     String personal = address[i].getPersonal();  
50.                     if (personal == null)  
51.                         personal = "";  
52.                     else {  
53.                         personal = MimeUtility.decodeText(personal);  
54.                     }  
55.                     String compositeto = personal + "<" + email + ">";  
56.                     mailaddr += "," + compositeto;  
57.                 }  
58.                 mailaddr = mailaddr.substring(1);  
59.             }  
60.         } else {  
61.             throw new Exception("Error emailaddr type!");  
62.         }  
63.         return mailaddr;  
64.     }  
65.     public String getSubject() throws MessagingException {  
66.         String subject = "";  
67.         try {  
68.             subject = MimeUtility.decodeText(mimeMessage.getSubject());  
69.             if (subject == null)  
70.                 subject = "";  
71.         } catch (Exception exce) {  
72.         }  
73.         return subject;  
74.     }  
75.     @SuppressLint("SimpleDateFormat")  
76.     public String getSentDate() throws Exception {  
77.         Date sentdate = mimeMessage.getSentDate();  
78.         SimpleDateFormat format = new SimpleDateFormat(dateformat);  
79.         return format.format(sentdate);  
80.     }  
81.     public String getBodyText() {  
82.         return bodytext.toString();  
83.     }  
84.     public void getMailContent(Part part) throws Exception {  
85.         String contenttype = part.getContentType();  
86.         int nameindex = contenttype.indexOf("name");  
87.         boolean conname = false;  
88.         if (nameindex != -1)  
89.             conname = true;  
90.         System.out.println("CONTENTTYPE: " + contenttype);  
91.         if (part.isMimeType("text/plain") && !conname) {  
92.             bodytext.append((String) part.getContent());  
93.         } else if (part.isMimeType("text/html") && !conname) {  
94.             bodytext.append((String) part.getContent());  
95.         } else if (part.isMimeType("multipart  
96.     public boolean getReplySign() throws MessagingException {  
97.         boolean replysign = false;  
98.         String needreply[] = mimeMessage  
99.                 .getHeader("Disposition-Notification-To");  
100.         if (needreply != null) {  
101.             replysign = true;  
102.         }  
103.         return replysign;  
104.     }  
105.     public String getMessageId() throws MessagingException {  
106.         return mimeMessage.getMessageID();  
107.     }  
108.     public boolean isNew() throws MessagingException {  
109.         boolean isnew = false;//由于isnew设为false所以每次显示的都为未读  
110.         Flags flags = ((Message) mimeMessage).getFlags();  
111.         System.out.println("--------flags-------" + flags);  
112.         Flags.Flag[] flag = flags.getSystemFlags();  
113.         System.out.println("----flag----" + flag);  
114.         System.out.println("flags's length: " + flag.length);  
115.         for (int i = 0; i < flag.length; i++) {  
116.             System.out.println("flag=======" + flag[i]);  
117.             System.out.println("-=-=-=Flags.Flag.SEEN=-=-=-="+Flags.Flag.SEEN);  
118.             if (flag[i] == Flags.Flag.SEEN) {  
119.                 isnew = true;  
120.                 System.out.println("seen Message.......");  
121.                 break;  
122.             }  
123.         }  
124.         return isnew;  
125.     }  
126.     @SuppressLint("DefaultLocale")  
127.     public boolean isContainAttach(Part part) throws Exception {  
128.         boolean attachflag = false;  
129.         // String contentType = part.getContentType();  
130.         if (part.isMimeType("multipart  
131.     @SuppressLint("DefaultLocale")  
132.     public void saveAttachMent(Part part) throws Exception {  
133.         String fileName = "";  
134.         if (part.isMimeType("multipart  
135.     public void setAttachPath(String attachpath) {  
136.         this.saveAttachPath = attachpath;  
137.     }  
138.     public void setDateFormat(String format) throws Exception {  
139.         this.dateformat = format;  
140.     }  
141.     public String getAttachPath() {  
142.         return saveAttachPath;  
143.     }  
144.     @SuppressLint("DefaultLocale")  
145.     private void saveFile(String fileName, InputStream in) throws Exception {  
146.         String osName = System.getProperty("os.name");  
147.         System.out.println("----fileName----" + fileName);  
148.         // String storedir = getAttachPath();  
149. //      String separator = "";  
150.         if (osName == null)  
151.             osName = "";  
152.         File storefile = new File(File.separator + "mnt" + File.separator  
153.                 + "sdcard" + File.separator + fileName);  
154.         storefile.createNewFile();  
155.         System.out.println("storefile's path: " + storefile.toString());  
156. //       for(int i=0;storefile.exists();i++){  
157. //       storefile = new File(storedir+separator+fileName+i);  
158. //       }  
159.         BufferedOutputStream bos = null;  
160.         BufferedInputStream bis = null;  
161.         try {  
162.             bos = new BufferedOutputStream(new FileOutputStream(storefile));  
163.             bis = new BufferedInputStream(in);  
164.             int c;  
165.             while ((c = bis.read()) != -1) {  
166.                 bos.write(c);  
167.                 bos.flush();  
168.             }  
169.         } catch (Exception exception) {  
170.             exception.printStackTrace();  
171.             throw new Exception("文件保存失败!");  
172.         } finally {  
173.             bos.close();  
174.             bis.close();  
175.         }  
176.     }  
177. }