我想创建一个应用程序，通过电子邮件从我的Android手机（Sony SP）发送文件。 （实际上我正在使用一个教程，但它没有按照预期的方式工作）
我使用了以下代码：
MainActivity：
package com.jebinga.andruino;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import android.widget.Button;
public class MainActivity extends Activity {
private Mail m;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
m = new Mail("myEmailAdress.gmx.at", "myPassword");
}
public void sendEmail(View view){
String[] toArr = {"otherEmailAdress"};
m.setTo(toArr); // load array to setTo function
m.setFrom("myEmailAdress"); // who is sending the email
m.setSubject("Betrefff");
m.setBody("Hallo");
try {
m.addAttachment("/storage/sdcard0/testordner/testdatei.txt"); // path to file you want to attach
if(m.send()) {
// success
Toast.makeText(MainActivity.this, "Email was sent successfully.", Toast.LENGTH_LONG).show();
} else {
// failure
Toast.makeText(MainActivity.this, "Email was not sent.", Toast.LENGTH_LONG).show();
}
} catch(Exception e) {
// some other problem
Toast.makeText(MainActivity.this, "There was a problem sending the email.", Toast.LENGTH_LONG).show();
}
}
}
邮件：
package com.jebinga.andruino;
import java.util.Date;
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 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;
public Mail() {
_host = "smtp.gmx.com"; // default smtp server
_port = "25"; // default smtp port
_sport = "25"; // 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();
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(_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 void setTo(String[] toArr) {
this._to = toArr;
}
public void setFrom(String string) {
this._from = string;
}
public void setSubject(String string) {
this._subject = string;
}
// more of the getters and setters …..
}
清单：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.jebinga.andruino"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.jebinga.andruino.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
日志：
05-11 18:15:18.465: E/Trace(18257): error opening trace file: No such file or directory (2)
05-11 18:15:18.465: D/ActivityThread(18257): setTargetHeapUtilization:0.25
05-11 18:15:18.465: D/ActivityThread(18257): setTargetHeapIdealFree:8388608
05-11 18:15:18.465: D/ActivityThread(18257): setTargetHeapConcurrentStart:2097152
05-11 18:15:18.745: I/Adreno200-EGL(18257): <qeglDrvAPI_eglInitialize:269>: EGL 1.4 QUALCOMM build: (CL3579225)
05-11 18:15:18.745: I/Adreno200-EGL(18257): Build Date: 05/29/13 Wed
05-11 18:15:18.745: I/Adreno200-EGL(18257): Local Branch: SoMC_Viskan
05-11 18:15:18.745: I/Adreno200-EGL(18257): Remote Branch:
05-11 18:15:18.745: I/Adreno200-EGL(18257): Local Patches:
05-11 18:15:18.745: I/Adreno200-EGL(18257): Reconstruct Branch:
如果我按下按钮，则应发送邮件。 但我得到例外的祝酒词：发送电子邮件时出现问题。
更新
05-11 18:49:26.961: E/Trace(25053): error opening trace file: No such file or directory (2)
05-11 18:49:26.961: D/ActivityThread(25053): setTargetHeapUtilization:0.25
05-11 18:49:26.971: D/ActivityThread(25053): setTargetHeapIdealFree:8388608
05-11 18:49:26.971: D/ActivityThread(25053): setTargetHeapConcurrentStart:2097152
05-11 18:49:27.201: I/Adreno200-EGL(25053): <qeglDrvAPI_eglInitialize:269>: EGL 1.4 QUALCOMM build: (CL3579225)
05-11 18:49:27.201: I/Adreno200-EGL(25053): Build Date: 05/29/13 Wed
05-11 18:49:27.201: I/Adreno200-EGL(25053): Local Branch: SoMC_Viskan
05-11 18:49:27.201: I/Adreno200-EGL(25053): Remote Branch:
05-11 18:49:27.201: I/Adreno200-EGL(25053): Local Patches:
05-11 18:49:27.201: I/Adreno200-EGL(25053): Reconstruct Branch:
05-11 18:49:33.588: D/com.jebinga.andruino.MainActivity(25053): Problem...
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): I got an error
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): android.os.NetworkOnMainThreadException
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1126)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at java.net.InetAddress.getLocalHost(InetAddress.java:365)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at javax.mail.internet.InternetAddress.getLocalAddress(InternetAddress.java:517)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at javax.mail.internet.UniqueValue.getUniqueMessageIDValue(UniqueValue.java:99)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at javax.mail.internet.MimeMessage.updateMessageID(MimeMessage.java:2054)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:2076)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:2042)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at javax.mail.Transport.send(Transport.java:117)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at com.jebinga.andruino.Mail.send(Mail.java:106)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at com.jebinga.andruino.MainActivity.sendEmail(MainActivity.java:45)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at java.lang.reflect.Method.invokeNative(Native Method)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at java.lang.reflect.Method.invoke(Method.java:511)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.view.View$1.onClick(View.java:3666)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.view.View.performClick(View.java:4171)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.view.View$PerformClick.run(View.java:17186)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.os.Handler.handleCallback(Handler.java:615)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.os.Handler.dispatchMessage(Handler.java:92)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.os.Looper.loop(Looper.java:213)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at android.app.ActivityThread.main(ActivityThread.java:4793)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at java.lang.reflect.Method.invokeNative(Native Method)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at java.lang.reflect.Method.invoke(Method.java:511)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
05-11 18:49:33.618: E/YOUR_APP_LOG_TAG(25053): at dalvik.system.NativeStart.main(Native Method)