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Android™

Download POP3 Email using UIDLs

Demonstrates how to download POP3 email by first getting the complete set of UIDLs and then downloading email by calling FetchByUIDL for each UIDL.

Chilkat Android™ Downloads

Android™
// 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);

    boolean success = false;

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

    // The mailman object is used for receiving (POP3) 
    // and sending (SMTP) email.
    CkMailMan mailman = new CkMailMan();

    // Set the POP3 server's hostname
    mailman.put_MailHost("pop.example.com");

    // Set the POP3 login/password.
    mailman.put_PopUsername("myLogin");
    mailman.put_PopPassword("myPassword");

    CkStringTable stUidls = new CkStringTable();
    success = mailman.FetchUidls(stUidls);
    if (success == false) {
        Log.i(TAG, mailman.lastErrorText());
        return;
        }

    CkEmail email = new CkEmail();

    int count = stUidls.get_Count();
    int i = 0;
    while (i < count) {
        // Download the full email.
        success = mailman.FetchByUidl(stUidls.stringAt(i),false,0,email);
        if (success == false) {
            Log.i(TAG, mailman.lastErrorText());
            return;
            }

        Log.i(TAG, String.valueOf(i));
        Log.i(TAG, "From: " + email.ck_from());
        Log.i(TAG, "Subject: " + email.subject());

        i = i + 1;
        }

    mailman.Pop3EndSession();

  }

  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."
  }
}