(Android™) Upload (Append) Email to an IMAP Mailbox and get the UID of the Appended Email

Upload / append an email to an IMAP mailbox and get the UID of the appended email.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkImap imap = new CkImap();

    // Connect to an IMAP server.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    boolean success = imap.Connect("imap.someMailServer.com");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Login
    success = imap.Login("myLogin","myPassword");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Check the capabilities of the IMAP server.
    String cap = imap.capability();
    Log.i(TAG, "IMAP capabilities: " + cap);

    // If the capabilities string contains the substring "UIDPLUS", then 
    // the UID of the appended email will be available in the AppendUid property (see below).

    // For example, the GMail IMAP server has these capabilities (at this current time)
    // * CAPABILITY IMAP4rev1 UNSELECT IDLE NAMESPACE QUOTA ID XLIST CHILDREN 
    // X-GM-EXT-1 UIDPLUS COMPRESS=DEFLATE ENABLE MOVE CONDSTORE ESEARCH UTF8=ACCEPT 
    // APPENDLIMIT=35882577 LIST-EXTENDED LIST-STATUS

    CkEmail email = new CkEmail();

    // Load the email from a .eml file.
    success = email.LoadEml("myEmail.eml");
    if (success != true) {
        Log.i(TAG, email.lastErrorText());
        return;
        }

    success = imap.AppendMail("Inbox",email);
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // If the IMAP server supports the UIDPLUS extension, then the 
    // imap.AppendUid will contain the UID of the appended email.
    // Otherwise AppendUid will be 0.
    Log.i(TAG, "UID of appended email: " + String.valueOf(imap.get_AppendUid()));

    // If the IMAP server does NOT have UIDPLUS, then a program can 
    // first select the mailbox, get the value of the UidNext property,
    // and then append.  The appended email SHOULD have a UID equal to 
    // the UidNext that was obtained just prior to appending (assuming no other
    // program is simultaneously appending an email to the same mailbox).

    // Note: It is not required to select a mailbox to append.  The select is only
    // done for the purpose of obtaining the UIDNEXT value.
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    int uidNext = imap.get_UidNext();

    success = imap.AppendMail("Inbox",email);
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    Log.i(TAG, "The UID of the appended email SHOULD be " + String.valueOf(uidNext));

    Log.i(TAG, "Email uploaded to Inbox!");

    // Disconnect from the IMAP server.
    success = imap.Disconnect();

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}