- iOS/Objective-C 元类和类别
- objective-c - -1001 错误,当 NSURLSession 通过 httpproxy 和/etc/hosts
- java - 使用网络类获取 url 地址
- ios - 推送通知中不播放声音
我正在尝试使用 Java Mail Android API ( https://code.google.com/p/javamail-android/ ) 制作一个简单的电子邮件应用程序,它将发送带有附件的邮件。但是我的方法不起作用。它成功发送了电子邮件文本,但没有在电子邮件中添加附件。我添加了一个图像按钮来选择附件文件。我正在使用 Intent 选择文件。还添加了另一个按钮来发送电子邮件。
首先,通过单击图像按钮,我试图选择文件并获取附件的文件路径。然后我将文件路径设置为发送带有此附件的邮件的 sendmail 方法。
我正在做的事情如下:
Email.java
package com.android.imran.emailapp003;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import javax.activation.CommandMap;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.activation.MailcapCommandMap;
import javax.mail.BodyPart;
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 Email extends javax.mail.Authenticator {
private String _user;
private String _pass;
private List<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;
public Email() {
_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 Email(String user, String pass) {
this();
_user = user;
_pass = pass;
}
public boolean send() throws Exception {
Properties props = _setProperties();
if(!_user.equals("") && !_pass.equals("") && _to.size() > 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.size()];
for (int i = 0; i < _to.size(); i++) {
addressTo[i] = new InternetAddress(_to.get(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(_multipart);
// 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 List<String> getTo(){
return _to;
}
public void setTo(List<String> toArr) {
this._to = toArr;
}
public String getFrom(){
return _from;
}
public void setFrom(String from){
this._from = from;
}
public String getSubject(){
return _subject;
}
public void setSubject(String string) {
this._subject = string;
}
}
ProcessEmail.java
package com.android.imran.emailapp003;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.util.Log;
import java.util.List;
public class ProcessEmail extends AsyncTask {
private ProgressDialog statusDialog;
private Activity sendMailActivity;
public ProcessEmail(Activity activity) {
sendMailActivity = activity;
}
protected void onPreExecute() {
statusDialog = new ProgressDialog(sendMailActivity);
statusDialog.setMessage("Getting ready...");
statusDialog.setIndeterminate(false);
statusDialog.setCancelable(false);
statusDialog.show();
}
@Override
protected Object doInBackground(Object... args) {
try {
Log.i("SendMailTask", "About to instantiate GMail...");
publishProgress("Processing input....");
Email sendMail = new Email(args[0].toString(), args[1].toString());
publishProgress("Preparing mail message....");
sendMail.setFrom(args[0].toString());
sendMail.setTo((List<String>) args[2]);
sendMail.setSubject(args[3].toString());
sendMail.setBody(args[4].toString());
sendMail.addAttachment(args[5].toString());
publishProgress("Sending email....");
sendMail.send();
publishProgress("Email Sent.");
Log.i("SendMailTask", "Mail Sent.");
} catch (Exception e) {
publishProgress(e.getMessage());
Log.e("SendMailTask", e.getMessage(), e);
}
return null;
}
@Override
public void onProgressUpdate(Object... values) {
statusDialog.setMessage(values[0].toString());
}
@Override
public void onPostExecute(Object result) {
statusDialog.dismiss();
}
}
MainActivity.java
package com.android.imran.emailapp003;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private static int FILE_SELECT_CODE;
private static int SELECT_PICTURE;
String FilePath;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.activity_main);
Button addImage = (Button) findViewById(R.id.send_email);
addImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String fromEmail = "*******@gmail.com";
String fromPassword = "*****";
List<String> toEmails = new ArrayList();
toEmails.add("*******@gmail.com");
toEmails.add("*******@live.com");
String emailSubject = "This is an email sent using my Mail JavaMail wrapper from an Android device.";
String emailBody= "Email body.";
new ProcessEmail(MainActivity.this).execute(
fromEmail, fromPassword, toEmails, emailSubject, emailBody, FilePath);
}
});
ImageButton selectFile= (ImageButton) findViewById(R.id.selectFile);
selectFile.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("*/*");
startActivityForResult(intent, FILE_SELECT_CODE);
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if ((requestCode == FILE_SELECT_CODE) && (resultCode == -1)) {
FilePath = data.getData().getPath();
//Toast.makeText(this, FilePath, Toast.LENGTH_SHORT).show();
}
}
}
请帮我解决一下。
更新:在我的 Genymotion 模拟器中,我选择了一个文件。我的应用在 toast 消息中将文件路径显示为 /external/images/images/14。
然后当我点击发送按钮发送电子邮件时。我收到以下错误:
11-17 04:47:46.887 25788-26024/com.android.imran.emailapp003 E/SendMailTask﹕ IOException while sending message
javax.mail.MessagingException: IOException while sending message;
nested exception is:
java.io.FileNotFoundException: /external/images/media/14: open failed: ENOENT (No such file or directory)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:676)
at javax.mail.Transport.send0(Transport.java:189)
at javax.mail.Transport.send(Transport.java:118)
at com.android.imran.emailapp003.Email.send(Email.java:105)
at com.android.imran.emailapp003.ProcessEmail.doInBackground(ProcessEmail.java:42)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:841)
Caused by: java.io.FileNotFoundException: /external/images/media/14: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:409)
at java.io.FileInputStream.<init>(FileInputStream.java:78)
at javax.activation.FileDataSource.getInputStream(FileDataSource.java:110)
at javax.activation.DataHandler.writeTo(DataHandler.java:318)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1403)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:874)
at javax.mail.internet.MimeMultipart.writeTo(MimeMultipart.java:444)
at com.sun.mail.handlers.multipart_mixed.writeTo(multipart_mixed.java:102)
at javax.activation.ObjectDataContentHandler.writeTo(DataHandler.java:897)
at javax.activation.DataHandler.writeTo(DataHandler.java:330)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1403)
at javax.mail.internet.MimeMessage.writeTo(MimeMessage.java:1745)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:636)
at javax.mail.Transport.send0(Transport.java:189)
at javax.mail.Transport.send(Transport.java:118)
at com.android.imran.emailapp003.Email.send(Email.java:105)
at com.android.imran.emailapp003.ProcessEmail.doInBackground(ProcessEmail.java:42)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:841)
Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at libcore.io.IoBridge.open(IoBridge.java:393)
at java.io.FileInputStream.<init>(FileInputStream.java:78)
at javax.activation.FileDataSource.getInputStream(FileDataSource.java:110)
at javax.activation.DataHandler.writeTo(DataHandler.java:318)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1403)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:874)
at javax.mail.internet.MimeMultipart.writeTo(MimeMultipart.java:444)
at com.sun.mail.handlers.multipart_mixed.writeTo(multipart_mixed.java:102)
at javax.activation.ObjectDataContentHandler.writeTo(DataHandler.java:897)
at javax.activation.DataHandler.writeTo(DataHandler.java:330)
at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1403)
at javax.mail.internet.MimeMessage.writeTo(MimeMessage.java:1745)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:636)
at javax.mail.Transport.send0(Transport.java:189)
at javax.mail.Transport.send(Transport.java:118)
at com.android.imran.emailapp003.Email.send(Email.java:105)
at com.android.imran.emailapp003.ProcessEmail.doInBackground(ProcessEmail.java:42)
at android.os.AsyncTask$2.call(AsyncTask.java:287)
at java.util.concurrent.FutureTask.run(FutureTask.java:234)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
at java.lang.Thread.run(Thread.java:841)
11-17 04:48:58.359 25788-25788/com.android.imran.emailapp003 W/EGL_genymotion﹕ eglSurfaceAttrib not implemented
我将应用程序运行到我的 Android 设备中。我选择了一个文件,我的应用程序在 toast 消息中将文件路径显示为 /document/images:52721。但文件的实际路径是"/Internal Storage/DCIM/Camera/01.jpg"
我认为我的应用程序没有获得附件文件的实际路径。如何获取附件文件的实际路径?
最佳答案
试试这个来获取你的文件路径:
Uri selectedData = data.getData();
String[] filePathcolumn = {MediaStore.Files.FileColumns.DATA};
Cursor cursor = getContentResolver().query(selectedData, filePathcolumn, null, null, null);
cursor.moveToFirst();
Log.d(TAG, DatabaseUtils.dumpCursorToString(cursor));
columnindex = cursor.getColumnIndex(filePath[0]);
attachFile = selectedData.toString();
filePath = Uri.parse(attachFile);
cursor.close();
关于java - 使用 Java Mail API 发送带附件的电子邮件的 Android 应用程序,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33752775/
我想在 DNN 模块中完成注册过程后发送电子邮件。当我搜索时,我发现 dnn 中有一个内置的邮件类。但它包含两个方法 - SendEmail 和 SendMail。这两者有什么区别?在这种情况下我必须
我有一个非常特殊的要求 我正在使用 Java Mail API 访问用户的收件箱。可以说是投诉服务信箱。用户通过向该地址发送电子邮件来注册投诉。我从收件箱中提取每封电子邮件并创建一个新的投诉。我的问题
我正在使用64位MS SQL Server 2008 R2 SP2 Express版。 我没有访问数据库邮件设置向导的权限,但是Binn目录包含DatabaseMail.exe(v10.50.1660
我正在为使用 Mail::queue 函数发送电子邮件的代码编写单元测试,如文档中的代码:https://laravel.com/docs/5.4/mocking#mail-fake 我的测试: /*
我试图使用 java 邮件 API 阅读我的 gmail 帐户中的邮件。这是代码: import java.util.*; import java.io.*; import java.awt.*; i
我已经看到关于此主题的数千个类似问题。可以肯定的是,我知道 SO 中的“标记为重复问题”。 但是,从 PHP mail() 函数获取雅虎收件箱电子邮件,简单来说,如何或必须做什么仍然不清楚。 在 Ya
我正在尝试从 php 向 gmail 帐户发送电子邮件。我的笔记本电脑上有以下设置: Windows 8 Internet connection XAMPP 1.7.4, PHP Version 5.
使用过时的 System.Web.Mail 发送电子邮件工作正常,这是代码片段: Public Shared Sub send(ByVal recipent As String, ByVal fro
有没有办法从 Java Mail API 中获取邮件是否被标记为重要?我正在使用 Gmail 帐户进行连接。提前致谢。 最佳答案 不同的邮件程序使用不同的方式来表明邮件“重要”。有些使用 X-Prio
我正在编写一个 PHP 邮件函数,一些示例有 @mail(...),而其他示例只有 mail(...)。 有什么区别,最好使用哪个? 干杯 最佳答案 @ 抑制所有警告/错误,mail() 函数可能会抛
我一直在开发一个连接到 Yahoo 邮件的 Java 应用程序,使用户能够通过他们的 Yahoo 电子邮件进行搜索。 最近,Yahoo 突然(仅提前 5 周通知)停止了我们正在使用并且运行良好的 Ya
我想发送邮件为用户重置密码,如果他忘记了密码,我会收到此错误: org.springframework.mail.MailSendException: Mail server connection f
所以,我的问题如下:我有一个用 Java 编写的邮件客户端,在使用 POP3 检查邮件后,无法通过 SMTP 发送邮件。 我捕获的异常表明传输协议(protocol) = null。 代码工作正常,因
我正在尝试使用 ruby mail gem 检索电子邮件,在示例中它说 Mail.last将检索最后一封未读电子邮件 https://github.com/mikel/mail#getting-e
在我的系统中,我应该在查看列表后发送通知邮件我正在使用 DNN 有我使用的代码 private void SendEmailNotification() { DotNetNuk
我创建了一个.sh脚本,并将结果记录在一个文件中,执行后我会尝试将文件内容作为mail正文发送。 这是我运行的命令: sh update.sh >> update.$(date +"%Y-%m-%d:
我使用 AE.NET.Mail 来阅读我的电子邮件正文。 但是那些尸体都是空的! 我的代码如下: // Connect to the IMAP server. The 'true' param
关闭。这个问题不符合Stack Overflow guidelines .它目前不接受答案。 这个问题似乎不是关于 a specific programming problem, a softwar
我在尝试发送带有文件附件的电子邮件时遇到错误: javax.mail.internet.ParseException: Expected '/', got files at javax.mai
我在IntelliJ IDEA中导入了一个maven项目后,pom.xml文件有两个错误: "Failed to read artifact descriptor for javax.mail:mai
我是一名优秀的程序员,十分优秀!