android 发送邮件（android自带email和javamail）均可发送带有多个附件

1.android自带的mail

package com.email.sendmail;import java.io.File;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.regex.Matcher;import java.util.regex.Pattern;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.view.View;import android.view.Window;import android.view.View.OnClickListener;import android.widget.AdapterView;import android.widget.AdapterView.OnItemLongClickListener;import android.widget.Button;import android.widget.EditText;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.Toast;import com.email.R;import com.email.R.id;import com.email.R.layout;import com.email.R.string;import com.email.selectfile.FileChooserActivity;/** * 发送邮件，可以发送带附件的邮件 * */public class SendEmailActivity extends Activity implements OnClickListener {private EditText address;private EditText details;private EditText title;private Button send;private Button addAttach;private Button reback;private Intent fileChooserIntent;private ListView lv_filePath;private SimpleAdapter adapter;private List<Map<String, String>> list;private static final int REQUEST_CODE = 1; // 请求码public static final String EXTRA_FILE_CHOOSER = "file_chooser";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_sendemail);init();}private void init() {// TODO Auto-generated method stubaddress = (EditText) findViewById(R.id.et_sendemail_address);details = (EditText) findViewById(R.id.et_sendemail_details);title = (EditText) findViewById(R.id.et_sendemail_title);lv_filePath = (ListView) findViewById(R.id.lv_sendmail_filepath);lv_filePath.setOnItemLongClickListener(new OnItemLongClickListener() {@Overridepublic boolean onItemLongClick(AdapterView<?> arg0, View arg1,int arg2, long arg3) {// TODO Auto-generated method stubshowDeleteAttachDialog(arg2);return true;}});addAttach = (Button) findViewById(R.id.bu_sendemail_addmuti);addAttach.setOnClickListener(this);send = (Button) findViewById(R.id.bu_sendemail_send);send.setOnClickListener(this);reback = (Button) findViewById(R.id.bu_sendmail_reback);reback.setOnClickListener(this);fileChooserIntent = new Intent(this, FileChooserActivity.class);list = new ArrayList<Map<String, String>>();}private void showDeleteAttachDialog(int position) {final int location = position;AlertDialog dialog = new AlertDialog.Builder(SendEmailActivity.this).setTitle("是否确定删除该附件").setPositiveButton("删除", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stublist.remove(location);lv_filePath.setAdapter(adapter);}}).setNegativeButton("取消", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int arg1) {dialog.cancel();}}).create();dialog.show();}private boolean validate(String reciver, String mySubject, String mybody) {if (reciver.isEmpty()) {toast("收件人邮箱地址不能为空");return false;}if (mySubject.isEmpty()) {toast("邮件标题不能为空");return false;}if (mybody.isEmpty()) {toast("邮件内容不能为空");return false;}return true;}private void sendMailByJavaMail() {// String reciver = address.getText().toString();// String mySubject = title.getText().toString();// String mybody = details.getText().toString();String reciver = "[e-mail]";String mybody = "elena_and_demon";String mySubject = "happy_ending";if (validate(reciver, mySubject, mybody)) {if (isEmail(reciver)) {if(list.size()>0){//判断邮件中是否含有附件，含有附件时用此方法发送邮件Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);// 发送多个附件时，需要用ACTION_SEND_MULTIPLE,一般情况用ACTION_SENDintent.putExtra(Intent.EXTRA_EMAIL, new String[] { reciver });intent.putExtra(Intent.EXTRA_SUBJECT, mySubject);intent.putExtra(Intent.EXTRA_TEXT, mybody);if (list.size() > 0) {ArrayList<Uri> uri = new ArrayList<Uri>();for (int i = 0; i < list.size(); i++) {String file_path = list.get(i).get("filepath").toString();if (!file_path.isEmpty()) {File file = new File(file_path); // 附件文件地址if (file.getName().endsWith(".gz")) {intent.setType("application/x-gzip"); // 如果是gz使用gzip的mime} else if (file.getName().endsWith(".txt")) {intent.setType("text/plain"); // 纯文本则用text/plain的mime} else {intent.setType("application/octet-stream"); // 其他的均使用流当做二进制数据来发送}uri.add(Uri.fromFile(file));}}intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uri);// 添加附件，附件为file对象，多个附件时用这个，如果只有一个附件，可以直接putextra(Intent.EXTRA_STREAM,Uri);}startActivity(intent); // 调用系统的mail客户端进行发送。}else{//发送不带附件的邮件Intent intent = new Intent(Intent.ACTION_SENDTO);intent.setData(Uri.parse("mailto:" + reciver));intent.putExtra(Intent.EXTRA_SUBJECT, mySubject);intent.putExtra(Intent.EXTRA_TEXT, mybody);startActivity(intent); // 调用系统的mail客户端进行发送。}}}}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubswitch (v.getId()) {case R.id.bu_sendemail_send:sendMailByJavaMail();break;case R.id.bu_sendemail_addmuti://获取附件在sdcard中的位置。取得位置的详细代码见下一篇文章。if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))startActivityForResult(fileChooserIntent, REQUEST_CODE);elsetoast(getText(R.string.sdcard_unmonted_hint));break;case R.id.bu_sendmail_reback:finish();break;default:break;}}// 判断email格式是否正确public boolean isEmail(String email) {String str = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";Pattern p = Pattern.compile(str);Matcher m = p.matcher(email);return m.matches();}private void toast(CharSequence hint) {Toast.makeText(this, hint, Toast.LENGTH_SHORT).show();}public void onActivityResult(int requestCode, int resultCode, Intent data) {if (resultCode == RESULT_CANCELED) {toast(getText(R.string.open_file_none));return;}if (resultCode == RESULT_OK && requestCode == REQUEST_CODE) {// 获取路径名String filePath = data.getStringExtra(EXTRA_FILE_CHOOSER);if (filePath != null) {Map<String, String> map = new HashMap<String, String>();map.put("filepath", filePath);list.add(map);adapter = new SimpleAdapter(SendEmailActivity.this, list,R.layout.item_sendemailattath,new String[] { "filepath" },new int[] { R.id.tv_item_sendemailattath });lv_filePath.setAdapter(adapter);} elsetoast("打开文件失败");}}}

2.javamail发送邮件

package com.email.sendjm;import java.io.ByteArrayInputStream;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.security.Security;import java.util.Enumeration;import java.util.Properties;import java.util.Vector;import javax.activation.DataHandler;import javax.activation.DataSource;import javax.activation.FileDataSource;import javax.mail.Authenticator;import javax.mail.Message;import javax.mail.Multipart;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;public class MailSendJavaMail extends Authenticator{private String user;    private String password;    private Session session;    static {        Security.addProvider(new JSSEProvider());    }/** * mailhost:host * sslFlag:是否加密 * */    public MailSendJavaMail(String mailhost, String user, String password,            boolean sslFlag) {        this.user = user;        this.password = password;        Properties props = new Properties();        props.setProperty("mail.host", mailhost);        props.put("mail.smtp.auth", "true");        if (sslFlag) {            props.put("mail.smtp.port", "465");            props.put("mail.smtp.socketFactory.port", "465");            props.put("mail.smtp.socketFactory.class",                    "javax.net.ssl.SSLSocketFactory");            props.put("mail.smtp.socketFactory.fallback", "false");        } else {            props.put("mail.smtp.port", "25");//发送邮件的端口为25        }        props.setProperty("mail.smtp.quitwait", "false");        session = Session.getDefaultInstance(props, this);    }    protected PasswordAuthentication getPasswordAuthentication() {        return new PasswordAuthentication(user, password);    }    /**     * @subject:邮箱主题     * @body:邮件具体的内容，不包含附件     * @sender:发送者     * @recipients:接收者      * */    public synchronized void sendMail(String subject, String body,            String sender, String recipients) throws Exception {    Vector<String> file = new Vector<String>();//用于保存发送附件的文件名的集合     file.addElement(File.separator + "mnt" + File.separator + "sdcard" + File.separator + "25465.txt" );    file.addElement(File.separator + "mnt" + File.separator + "sdcard" + File.separator + "图片1.jpg");        MimeMessage message = new MimeMessage(session);        message.setSender(new InternetAddress(sender));        message.setSubject(subject);        Multipart mp = new MimeMultipart();        MimeBodyPart mbp = new MimeBodyPart();        if(!file.isEmpty()){        Enumeration<String> efile = file.elements();        while(efile.hasMoreElements()){        mbp = new MimeBodyPart();        String filename = efile.nextElement().toString();        FileDataSource fds = new FileDataSource(filename);        mbp.setDataHandler(new DataHandler(new ByteArrayDataSource(body.getBytes(),"text/plain")));        mbp.setFileName(fds.getName());        mp.addBodyPart(mbp);        }        file.removeAllElements();        }        message.setContent(mp);                message.setFrom(new InternetAddress(sender));             if (recipients.indexOf(',') > 0)            message.setRecipients(Message.RecipientType.TO,                    InternetAddress.parse(recipients));        else            message.setRecipient(Message.RecipientType.TO, new InternetAddress(                    recipients));        Transport.send(message);    }    public class ByteArrayDataSource implements DataSource {        private byte[] data;        private String type;        public ByteArrayDataSource(byte[] data, String type) {            super();            this.data = data;            this.type = type;        }        public ByteArrayDataSource(byte[] data) {            super();            this.data = data;        }        public void setType(String type) {            this.type = type;        }        public String getContentType() {            if (type == null)                return "application/octet-stream";            else                return type;        }        public InputStream getInputStream() throws IOException {            return new ByteArrayInputStream(data);        }        public String getName() {            return "ByteArrayDataSource";        }        public OutputStream getOutputStream() throws IOException {            throw new IOException("Not Supported");        }    }}============================================================================================ package com.email.sendjm;import java.security.AccessController;import java.security.Provider;public class JSSEProvider extends Provider{        private static final long serialVersionUID = 1L;    public JSSEProvider() {        super("HarmonyJSSE", 1.0, "Harmony JSSE Provider");        AccessController                .doPrivileged(new java.security.PrivilegedAction<Void>() {                    public Void run() {                        put("SSLContext.TLS",                                "org.apache.harmony.xnet.provider.jsse.SSLContextImpl");                        put("Alg.Alias.SSLContext.TLSv1", "TLS");                        put("KeyManagerFactory.X509",                                "org.apache.harmony.xnet.provider.jsse.KeyManagerFactoryImpl");                        put("TrustManagerFactory.X509",                                "org.apache.harmony.xnet.provider.jsse.TrustManagerFactoryImpl");                        return null;                    }                });    }}=======================================================================================================在主函数中调用上述方法发送邮件//                MailSendJavaMail ss = new MailSendJavaMail("smtp.163.com", "[e-mail]", "123456w", false);//javamail发送邮件//                try {//                    ss.sendMail("aaaa", "ddd", "邮箱名@163.com", "邮箱名@qq.com");//                } catch (Exception e) {//                    // TODO Auto-generated catch block//                    e.printStackTrace();//                }