ボタンが押されたときに自動メールを送信するシンプルなアンドロイドワンボタンアプリがあります。アプリはエミュレーターでは正常に動作しますが、実際のデバイス (samsung gt-n7000) ではアプリは動作しません。デバイスは Wi-Fi のみに接続されています。
コードは次のとおりです。
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.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 GMailSender 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 GMailSender() {
_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 GMailSender(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 javax.mail.PasswordAuthentication getPasswordAuthentication() {
return new javax.mail.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 String[] get_to() {
return _to;
}
public void set_to(String[] _to) {
this._to = _to;
}
public String get_from() {
return _from;
}
public void set_from(String _from) {
this._from = _from;
}
public String get_subject() {
return _subject;
}
public void set_subject(String _subject) {
this._subject = _subject;
}
}
メインクラス:
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
public class MainActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void sending(View v) {
GMailSender mailsender = new GMailSender("example@gmail.com", "password");
String[] toArr = { "mussa2kasssim@hotmail.com" };
mailsender.set_to(toArr);
mailsender.set_from("example@gmail.com");
mailsender.set_subject("This is an email sent using my Mail JavaMail wrapper from an Android device.");
mailsender.setBody("Hello World!");
// mailsender.send();
try {
//mailsender.addAttachment("/sdcard/filelocation");
if (mailsender.send()) {
Toast.makeText(MainActivity.this,
"Email was sent successfully.",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(MainActivity.this, "Email was not sent.",
Toast.LENGTH_LONG).show();
}
} catch (Exception e) {
Log.e("MailApp", "Could not send email", e);
}
}
}
注意: 「example@gmail.com」と「password」は本物の値に置き換えられます。
助けてください。ありがとうございました
マニフェスト:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.nikhil.emailing"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.emailing.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>
<activity
android:name="com.example.emailing.EmailActivity"
android:label="@string/title_activity_email" >
</activity>
</application>
</manifest>
XML:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:onClick="sending"
android:text="Email" />
</RelativeLayout>
エラーログ：
11-07 12:43:07.616: ERROR/lights(1845): write_int: path/sys/devices/virtual/sec/sec_touchkey/brightness, value 1
11-07 12:43:07.841: ERROR/MailApp(24559): Could not send email
11-07 12:43:07.841: ERROR/MailApp(24559): android.os.NetworkOnMainThreadException
11-07 12:43:07.841: ERROR/MailApp(24559): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099)
11-07 12:43:07.841: ERROR/MailApp(24559): at java.net.InetAddress.lookupHostByName(InetAddress.java:391)
11-07 12:43:07.841: ERROR/MailApp(24559): at java.net.InetAddress.getLocalHost(InetAddress.java:371)
11-07 12:43:07.841: ERROR/MailApp(24559): at javax.mail.internet.InternetAddress.getLocalAddress(InternetAddress.java:517)
11-07 12:43:07.841: ERROR/MailApp(24559): at javax.mail.internet.UniqueValue.getUniqueMessageIDValue(UniqueValue.java:99)
11-07 12:43:07.841: ERROR/MailApp(24559): at javax.mail.internet.MimeMessage.updateMessageID(MimeMessage.java:2054)
11-07 12:43:07.841: ERROR/MailApp(24559): at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:2076)
11-07 12:43:07.841: ERROR/MailApp(24559): at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:2042)
11-07 12:43:07.841: ERROR/MailApp(24559): at javax.mail.Transport.send(Transport.java:117)
11-07 12:43:07.841: ERROR/MailApp(24559): at com.nikhil.emailing.GMailSender.send(GMailSender.java:105)
11-07 12:43:07.841: ERROR/MailApp(24559): at com.nikhil.emailing.MainActivity.sending(MainActivity.java:31)
11-07 12:43:07.841: ERROR/MailApp(24559): at java.lang.reflect.Method.invokeNative(Native Method)
11-07 12:43:07.841: ERROR/MailApp(24559): at java.lang.reflect.Method.invoke(Method.java:511)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.view.View$1.onClick(View.java:3095)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.view.View.performClick(View.java:3627)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.view.View$PerformClick.run(View.java:14329)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.os.Handler.handleCallback(Handler.java:605)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.os.Handler.dispatchMessage(Handler.java:92)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.os.Looper.loop(Looper.java:137)
11-07 12:43:07.841: ERROR/MailApp(24559): at android.app.ActivityThread.main(ActivityThread.java:4511)
11-07 12:43:07.841: ERROR/MailApp(24559): at java.lang.reflect.Method.invokeNative(Native Method)
11-07 12:43:07.841: ERROR/MailApp(24559): at java.lang.reflect.Method.invoke(Method.java:511)
11-07 12:43:07.841: ERROR/MailApp(24559): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
11-07 12:43:07.841: ERROR/MailApp(24559): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747)
11-07 12:43:07.841: ERROR/MailApp(24559): at dalvik.system.NativeStart.main(Native Method)
11-07 12:43:08.786: ERROR/DataRouter(1690): usb connection is true
11-07 12:43:08.786: ERROR/DataRouter(1690): DSR is ON. Don't send DTR ON.
11-07 12:43:09.121: ERROR/lights(1845): write_int: path /sys/devices/virtual/sec/sec_touchkey/brightness, value 2
11-07 12:43:09.741: ERROR/AlarmManagerService(1845): android_server_AlarmManagerService_set to type=1, 1383830133.779000000
11-07 12:43:09.896: ERROR/AlarmManagerService(1845): android_server_AlarmManagerService_set to type=1, 1383828192.898000000
11-07 12:43:10.791: ERROR/DataRouter(1690): usb connection is true
11-07 12:43:10.791: ERROR/DataRouter(1690): DSR is ON. Don't send DTR ON.
11-07 12:43:12.791: ERROR/DataRouter(1690): usb connection is true
11-07 12:43:12.791: ERROR/DataRouter(1690): DSR is ON. Don't send DTR ON.
11-07 12:43:12.896: ERROR/AlarmManagerService(1845): android_server_AlarmManagerService_set to type=1, 1383830133.779000000
11-07 12:43:13.036: ERROR/AlarmManagerService(1845): android_server_AlarmManagerService_set to type=1, 1383828196.040000000