Download Javamail API for Android
- For this Android Email App we will use Javamail API, so before starting our android project download Javamail API from link given below
Javamail API Download (9386 downloads)
- You will get a zip file from the above link. Extract the zip and you will get three .jar files. We will use these .jar files in our android email app project.
Creating Android Email App in Android Studio
- Open Android Studio and create a new android project.
- First we will add the downloaded .jar’s to our project.
- From the left panel click on Android -> Project (see the image below)
android
- Now you will get the libs folder inside projectfolder -> app -> libs . Paste all the three .jar files which you have downloaded above inside the libs folder. (See the image below)
javamail api
- Now go to file -> project structure.
project structure
- Now go to dependencies and from the right click on the green + sign and then click on file dependencies.
file dependencies
- Now go to libs folder and add all the three .jar files (you can see in the image)
adding jar android studio
- Now click on ok, ok and you have added the apis to your project.
- Now come to activity_main.xml and create the following layout.
android email app
- Use the following code for creating the above layout.
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<?xml version=“1.0” encoding=“utf-8”?>
<LinearLayout xmlns:android=“http://schemas.android.com/apk/res/android”
android:orientation=“vertical”
xmlns:tools=“http://schemas.android.com/tools” android:layout_width=“match_parent”
android:layout_height=“match_parent” android:paddingLeft=“@dimen/activity_horizontal_margin”
android:paddingRight=“@dimen/activity_horizontal_margin”
android:paddingTop=“@dimen/activity_vertical_margin”
android:paddingBottom=“@dimen/activity_vertical_margin” tools:context=“.MainActivity”>
<TextView
android:text=“Recipient Email”
android:layout_width=“wrap_content”
android:layout_height=“wrap_content” />
<EditText
android:layout_width=“match_parent”
android:layout_height=“wrap_content”
android:id=“@+id/editTextEmail” />
<TextView
android:text=“Subject”
android:layout_width=“wrap_content”
android:layout_height=“wrap_content” />
<EditText
android:layout_width=“match_parent”
android:layout_height=“wrap_content”
android:id=“@+id/editTextSubject” />
<TextView
android:text=“Message”
android:layout_width=“wrap_content”
android:layout_height=“wrap_content” />
<EditText
android:lines=“4”
android:layout_width=“match_parent”
android:layout_height=“wrap_content”
android:id=“@+id/editTextMessage” />
<Button
android:layout_width=“match_parent”
android:layout_height=“wrap_content”
android:id=“@+id/buttonSend”
android:text=“Send”/>
</LinearLayout>
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- For this android email app we will use gmail to send emails. So create a new java class named Config.java and write the following code.
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package net.simplifiedcoding.javamailexample;
/**
* Created by Belal on 10/30/2015.
*/
public class Config {
public static final String EMAIL =“your-gmail-username”;
public static final String PASSWORD =“your-gmail-password”;
}
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- You have to write your gmail username and password.
- Now create a new class SendMail.java. It will send our email. Write the following code in this class.
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package net.simplifiedcoding.javamailexample;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.widget.Toast;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
/**
* Created by Belal on 10/30/2015.
*/
//Class is extending AsyncTask because this class is going to perform a networking operation
public class SendMail extends AsyncTask<Void,Void,Void> {
//Declaring Variables
private Context context;
private Session session;
//Information to send email
private String email;
private String subject;
private String message;
//Progressdialog to show while sending email
private ProgressDialog progressDialog;
//Class Constructor
public SendMail(Context context, String email, String subject, String message){
//Initializing variables
this.context = context;
this.email = email;
this.subject = subject;
this.message = message;
}
@Override
protected void onPreExecute() {
super.onPreExecute();
//Showing progress dialog while sending email
progressDialog = ProgressDialog.show(context,“Sending message”,“Please wait…”,false,false);
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
//Dismissing the progress dialog
progressDialog.dismiss();
//Showing a success message
Toast.makeText(context,“Message Sent”,Toast.LENGTH_LONG).show();
}
@Override
protected Void doInBackground(Void... params) {
//Creating properties
Properties props = new Properties();
//Configuring properties for gmail
//If you are not using gmail you may need to change the values
props.put(“mail.smtp.host”, “smtp.gmail.com”);
props.put(“mail.smtp.socketFactory.port”, “465”);
props.put(“mail.smtp.socketFactory.class”, “javax.net.ssl.SSLSocketFactory”);
props.put(“mail.smtp.auth”, “true”);
props.put(“mail.smtp.port”, “465”);
//Creating a new session
session = Session.getDefaultInstance(props,
new javax.mail.Authenticator() {
//Authenticating the password
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(Config.EMAIL, Config.PASSWORD);
}
});
try {
//Creating MimeMessage object
MimeMessage mm = new MimeMessage(session);
//Setting sender address
mm.setFrom(new InternetAddress(Config.EMAIL));
//Adding receiver
mm.addRecipient(Message.RecipientType.TO, new InternetAddress(email));
//Adding subject
mm.setSubject(subject);
//Adding message
mm.setText(message);
//Sending email
Transport.send(mm);
} catch (MessagingException e) {
e.printStackTrace();
}
return null;
}
}
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- Now come to MainActivity.java and write the following code.
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package net.simplifiedcoding.javamailexample;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import java.util.Properties;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
//Declaring EditText
private EditText editTextEmail;
private EditText editTextSubject;
private EditText editTextMessage;
//Send button
private Button buttonSend;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Initializing the views
editTextEmail = (EditText) findViewById(R.id.editTextEmail);
editTextSubject = (EditText) findViewById(R.id.editTextSubject);
editTextMessage = (EditText) findViewById(R.id.editTextMessage);
buttonSend = (Button) findViewById(R.id.buttonSend);
//Adding click listener
buttonSend.setOnClickListener(this);
}
private void sendEmail() {
//Getting content for email
String email = editTextEmail.getText().toString().trim();
String subject = editTextSubject.getText().toString().trim();
String message = editTextMessage.getText().toString().trim();
//Creating SendMail object
SendMail sm = new SendMail(this, email, subject, message);
//Executing sendmail to send email
sm.execute();
}
@Override
public void onClick(View v) {
sendEmail();
}
}
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- Finally add internet permission to manifest.
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<uses–permission android:name=“android.permission.INTERNET”/>
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- Thats it now run your application.
android email app
- Bingo! It is working absolutely fine. You can also download the source code of my project from below.
Source :https://www.simplifiedcoding.net
