把这个类放到你的代码中……这是一个电子邮件类，它通过gmail浏览器自动发送你的邮件，而不需要重定向到任何其他页面……
public class Mail extends javax.mail.Authenticator {
private String _user;
private String _pass;
private String[] _to;
private String _from;
private String _port;
private String _sport;
private String _host;
private String _subject;
private String _body;
private boolean _auth;
private boolean _debuggable;
private Multipart _multipart;
String tag="Mail";
public Mail() {
_host = "smtp.gmail.com"; // default smtp server
_port = "465"; // default smtp port
_sport = "465"; // default socketfactory port
_user = ""; // username
_pass = ""; // password
_from = ""; // email sent from
_subject = ""; // email subject
_body = ""; // email body
_debuggable = false; // debug mode on or off - default off
_auth = true; // smtp authentication - default on
_multipart = new MimeMultipart();
// There is something wrong with MailCap, javamail can not find a
// handler for the multipart/mixed part, so this bit needs to be added.
MailcapCommandMap mc = (MailcapCommandMap) CommandMap
.getDefaultCommandMap();
mc.addMailcap("text/html;; x-java-content-handler=com.sun.mail.handlers.text_html");
mc.addMailcap("text/xml;; x-java-content-handler=com.sun.mail.handlers.text_xml");
mc.addMailcap("text/plain;; x-java-content-handler=com.sun.mail.handlers.text_plain");
mc.addMailcap("multipart/*;; x-java-content-handler=com.sun.mail.handlers.multipart_mixed");
mc.addMailcap("message/rfc822;; x-java-content-handler=com.sun.mail.handlers.message_rfc822");
CommandMap.setDefaultCommandMap(mc);
}
public Mail(String user, String pass) {
this();
_user = user;
_pass = pass;
}
public boolean send() throws Exception {
Properties props = _setProperties();
Log.d("tag",tag);
if (!_user.equals("") && !_pass.equals("") && _to.length > 0
&& !_from.equals("") && !_subject.equals("")
&& !_body.equals("")) {
Session session = Session.getInstance(props, this);
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(_from));
InternetAddress[] addressTo = new InternetAddress[_to.length];
for (int i = 0; i < _to.length; i++) {
addressTo[i] = new InternetAddress(_to[i]);
}
msg.setRecipients(MimeMessage.RecipientType.TO, addressTo);
msg.setSubject(_subject);
msg.setSentDate(new Date());
// setup message body
BodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(_body);
_multipart.addBodyPart(messageBodyPart);
// Put parts in message
msg.setContent(_body,"text/html");
// send email
Transport.send(msg);
return true;
} else {
return false;
}
}
public void addAttachment(String filename) throws Exception {
BodyPart messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(filename);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(filename);
_multipart.addBodyPart(messageBodyPart);
}
@Override
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(_user, _pass);
}
private Properties _setProperties() {
Properties props = new Properties();
props.put("mail.smtp.host", _host);
if (_debuggable) {
props.put("mail.debug", "true");
}
if (_auth) {
props.put("mail.smtp.auth", "true");
}
props.put("mail.smtp.port", _port);
props.put("mail.smtp.socketFactory.port", _sport);
props.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
return props;
}
// the getters and setters
public String getBody() {
return _body;
}
public void setBody(String _body) {
this._body = _body;
}
public void setTo(String[] toArr) {
this._to = toArr;
}
// more of the getters and setters …..
public void setFrom(String string) {
this._from = string;
}
public void setSubject(String string) {
this._subject = string;
}
}
并使用函数...
private void sendMail() {
Log.d("----", "sending");
try {
Mail m = new Mail("your email id", "password");
String[] toArr = { "recever id" };
m.setTo(toArr);
m.setFrom("your email id");
m.setSubject("Information");
String customHtml="<br/><br/><table border='1'><tr><td><b>"+getResources().getString(R.string.Comment)+"</b></td>" +
"<td>"+edt_comment.getText().toString()+"</td></tr>" +
"<tr><td><b>"+getResources().getString(R.string.Name)+"</b></td>" +
"<td>"+edt_name.getText().toString()+"</td></tr>" +
"<tr><td><b>"+getResources().getString(R.string.Email)+"</b></td>" +
"<td>"+edt_email.getText().toString()+"</td></tr>" +
"<tr><td><b>"+getResources().getString(R.string.Phone)+"</b></td>" +
"<td>"+edt_phn.getText().toString()+"</td></tr>";
m.setBody(customHtml);
if (m.send()) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(P_Ask_Question.this,
"Mail has been sent successfully.",
Toast.LENGTH_LONG).show();
}
});
} else {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(
P_Ask_Question.this,
"Mail is not sent successfully",
Toast.LENGTH_LONG).show();
}
});
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}