안드로이드 E-Mail 보내기 예제 따라하기

- 이메일 전송 App을 만들어보자. 이를 통해서 내 App의 사용자들의 의견등을 받아 볼 수 있다.
- 밑 예제의 E-mail 주소와 Password 만 코드 상에 내것으로 바꾸면 된다.
- 인터넷 퍼미션을 주는 것을 잊지 말자 !!!!!

-Java 소스

public class EmailActivity extends Activity implements OnClickListener {

ProgressDialog dialog;

EditText et;

GMailSender sender;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

Button bt = (Button) this.findViewById(R.id.bt_help);

bt.setOnClickListener(this);

}

@Override

public void onClick(View arg0) {

// TODO Auto-generated method stub

et = (EditText) this.findViewById(R.id.et);

sender = new GMailSender("XXXXX@gmail.com", "XXXXXXX"); // SUBSTITUTE ID PASSWORD

timeThread();

}

public void timeThread() {

dialog = new ProgressDialog(this);

dialog = new ProgressDialog(this);

dialog.setTitle("Wait...");

dialog.setMessage("의견을 보내는 중입니다.");

dialog.setIndeterminate(true);

dialog.setCancelable(true);

dialog.show();

new Thread(new Runnable() {

public void run() {

// TODO Auto-generated method stub

try {

sender.sendMail("의견보내기", // subject.getText().toString(),

et.getText().toString(), // body.getText().toString(),

"XXXXX@hanmail.net", // from.getText().toString(),

"XXXXX@hanmail.net" // to.getText().toString()

);

sleep(3000);

} catch (Exception e) {

Log.e("SendMail", e.getMessage(), e);

Toast.makeText(EmailActivity.this, "신청 실패", Toast.LENGTH_SHORT)

.show();

}

dialog.dismiss();

}

private void sleep(int i) {

// TODO Auto-generated method stub

}

}).start();

}

}
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public class GMailSender extends javax.mail.Authenticator {

private String mailhost = "smtp.gmail.com";

private String user;

private String password;

private Session session;

public GMailSender(String user, String password) {

this.user = user;

this.password = password;

Properties props = new Properties();

props.setProperty("mail.transport.protocol", "smtp");

props.setProperty("mail.host", mailhost);

props.put("mail.smtp.auth", "true");

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");

props.setProperty("mail.smtp.quitwait", "false");

session = Session.getDefaultInstance(props, this);

}

protected PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(user, password);

}

public synchronized void sendMail(String subject, String body,

String sender, String recipients) throws Exception {

MimeMessage message = new MimeMessage(session);

DataHandler handler = new DataHandler(new ByteArrayDataSource(

body.getBytes(), "text/plain"));

message.setSender(new InternetAddress(sender));

message.setSubject(subject);

message.setDataHandler(handler);

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");

}

}

}

--------------------------------------------------------------------------------------------------------- xml 소스

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="fill_parent"

        android:layout_margin="10dp"

        android:layout_weight="1"

        android:orientation="vertical"

        android:scaleType="fitXY" >

        <EditText

            android:id="@+id/et"

            android:layout_width="fill_parent"

            android:layout_height="fill_parent"

            android:paddingLeft="10dp" />

    </LinearLayout>

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_weight="0"

        android:orientation="vertical" >

        <Button

            android:id="@+id/bt_help"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_gravity="center_horizontal"

            android:layout_marginBottom="15dp"

            android:text="보내기 버튼" />

    </LinearLayout>

</LinearLayout>

 -------------------------------------------------------------------------------------------------------- 추가 파일
프로젝트 오른쪽 마우스 -> Properties -> Java Build Path -> Add External JARs... -> jar 파일 3개 추가

activation.jar

additionnal.jar

mail.jar

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- 실행 화면