(Android™) Download Unread Email from IMAP Mailbox

Download unread email messages from an IMAP mailbox.

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("admin@chilkatsoft.com","myPassword");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

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

    CkMessageSet messageSet;
    boolean fetchUids = true;

    // Find emails marked as seen or not already seen:
    String seenSearch = "SEEN";
    String notSeenSearch = "NOT SEEN";

    // Get the set of unseen message UIDs
    messageSet = imap.Search(notSeenSearch,fetchUids);
    if (imap.get_LastMethodSuccess() == false) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Fetch the unseen emails into a bundle object:
    CkEmailBundle bundle;
    bundle = imap.FetchBundle(messageSet);
    if (imap.get_LastMethodSuccess() == false) {

        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Display the Subject and From of each email.
    int i = 0;
    int numEmails = bundle.get_MessageCount();
    while (i < numEmails) {
        CkEmail email = bundle.GetEmail(i);

        Log.i(TAG, email.getHeaderField("Date"));
        Log.i(TAG, email.subject());
        Log.i(TAG, email.ck_from());
        Log.i(TAG, "--");

        i = i + 1;
        }

    // 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."
  }
}