(Android™) How to Copy IMAP Mail to another IMAP Server

Demonstrates how to copy the entire contents of an IMAP mailbox to another IMAP server.

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

    CkImap imapSrc = new CkImap();

    // Connect to our source IMAP server.
    boolean success = imapSrc.Connect("imap.someMailServer.com");
    if (success != true) {
        Log.i(TAG, imapSrc.lastErrorText());
        return;
        }

    // Login to the source IMAP server
    success = imapSrc.Login("admin@chilkatsoft.com","myPassword");
    if (success != true) {
        Log.i(TAG, imapSrc.lastErrorText());
        return;
        }

    CkImap imapDest = new CkImap();

    // Connect to our destination IMAP server.
    success = imapDest.Connect("mail.example-code.com");
    if (success != true) {
        Log.i(TAG, imapDest.lastErrorText());
        return;
        }

    // Login to the destination IMAP server
    success = imapDest.Login("myLogin","myPassword");
    if (success != true) {
        Log.i(TAG, imapDest.lastErrorText());
        return;
        }

    // Select an IMAP mailbox on the source IMAP server
    success = imapSrc.SelectMailbox("Inbox");
    if (success != true) {
        Log.i(TAG, imapSrc.lastErrorText());
        return;
        }

    // After selecting a mailbox, the NumMessages property will
    // be updated to reflect the total number of emails in the mailbox:
    Log.i(TAG, String.valueOf(imapSrc.get_NumMessages()));

    // The emails in the mailbox will always have sequence numbers
    // ranging from 1 to NumMessages.

    // This example will copy the first 10 messages.
    // We'll leave it up to you to write code to copy
    // the entire sequence range in reasonable size chunks.
    int startSeqNum = 1;
    int msgCount = 10;

    CkStringArray sa;
    sa = imapSrc.FetchSequenceAsMime(startSeqNum,msgCount);
    if (imapSrc.get_LastMethodSuccess() != true) {
        Log.i(TAG, imapSrc.lastErrorText());
        return;
        }

    int i;
    for (i = 0; i <= sa.get_Count() - 1; i++) {
        success = imapDest.AppendMime("Inbox",sa.getString(i));
        if (success != true) {
            Log.i(TAG, imapDest.lastErrorText());
            return;
            }

        }

    // Disconnect from the IMAP servers.
    success = imapSrc.Disconnect();
    success = imapDest.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."
  }
}