Load Existing Email and Modify its Contents inside Android

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Load Existing Email and Modify its Contents inside Android

Postby zarfishan » Thu Sep 12, 2013 7:06 am

This technical tip shows how to load any existing email message and modify its contents before saving it back to disk using Aspose.Email for Android API. To do this successfully, specify the MessageFormat when loading the email message from disk. In addition, it is important to specify the correct MailMessageSaveType when saving the message back to disk.



To update and save an email Create an instance of the MailMessage class and Load an existing message using the MailMessage class' load() method and specifying the MessageFormat of the existing message. Get the subject using getSubject(). After modifying the subject, set it again using the setSubject() method. Get the body using getHtmlBody(). After modifying the body, set it using the setHtmlBody() method. After that create an instance of the MailAddressCollection class and get the recipients from the TO field into a MailAddressCollection object using the getTo() method exposed by the MailMessage class.Add or remove recipients using the add () and remove () methods exposed by the MailAddressCollection class and get the recipients from the CC field into a MailAddressCollection object using the getCC() method exposed by MailMessage class. Add or remove recipients using the add() and remove() methods exposed by the MailAddressCollection class. Call the save() method exposed by the MailMessage class, specifying the correct MailMessageSaveType to save the message file to the disk in MSG format.



Modifying an Existing Email Message

Code: Select all

public static void UpdateAndSaveEmail()
{
    // Base folder for reading and writing files
    String  strBaseFolder  = Environment.getExternalStorageDirectory().getPath();
    strBaseFolder = strBaseFolder + "/";

    //Initialize and load an existing MSG file by specifying the MessageFormat
    MailMessage email = MailMessage.load(strBaseFolder + "anEmail.msg", MessageFormat.getMsg());

    //Initialize a String variable to get the Email Subject
    String subject = email.getSubject();
    //Append some more information to Subject
    subject = subject + " This text is added to the existing subject";
    //Set the Email Subject
    email.setSubject(subject);

    //Initialize a String variable to get the Email's HTML Body
    String body = email.getHtmlBody();
    //Apppend some more information to the Body variable
    body = body + "<br> This text is added to the existing body";
    //Set the Email Body
    email.setHtmlBody(body);

    //Initialize MailAddressCollection object
    MailAddressCollection contacts = new MailAddressCollection();

    //Retrieve Email's TO list
    contacts = email.getTo();
    //Check if TO list has some values
    if (contacts.size() > 0)
    {
        //Remove the first email address
        contacts.remove(0);
        //Add another email address to collection
        contacts.add("to1@domain.com");
    }
    //Set the collection as Email's TO list
    email.setTo(contacts);

    //Initialize MailAddressCollection
    contacts = new MailAddressCollection();

    //Retrieve Email's CC list
    contacts = email.getCC();
    //Add another email address to collection
    contacts.add("cc2@domain.com");
    //Set the collection as Email's CC list
    email.setCC(contacts);

    //Save the Email message to disk by specifying the MessageFormat
    email.save(strBaseFolder + "message.msg", MailMessageSaveType.getOutlookMessageFormat());

zarfishan
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