Android™

Add Header Field to MIME Sub-Header in Email

See more Email Object Examples

Demonstrates how to add a header field to one of the attachment sub-headers in an email. 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.

    CkEmail email = new CkEmail();

    email.put_Subject("test");
    email.AddTo("Chilkat","support@chilkatsoft.com");
    email.put_From("Matt <matt@example.com>");
    email.put_Body("This is a simple plain-text body.");

    success = email.AddFileAttachment2("qa_data/1.HPM","application/x-hprimnet");
    if (success == false) {
        Log.i(TAG, email.lastErrorText());
        return;
        }

    //  Add a "ContentDescription: HPM/3.0" in the attachment's sub-header.
    //  The 1st attachment is at index 0.
    email.AddAttachmentHeader(0,"Content-Description","HPM/3.0");

    //  Show the email MIME:
    Log.i(TAG, email.getMime());

    //  This is the output:

    //  MIME-Version: 1.0
    //  Date: Wed, 16 Jan 2019 10:05:18 -0600
    //  Message-ID: <93B88835586270B7BE5202F84E171F29C10BA935@CHILKATSLICE>
    //  Content-Type: multipart/mixed; boundary="------------000502000000020502010608"
    //  X-Priority: 3 (Normal)
    //  Subject: test
    //  To: Chilkat <support@chilkatsoft.com>
    //  From: Matt <matt@example.com>
    //  
    //  --------------000502000000020502010608
    //  Content-Type: text/plain; charset=us-ascii; format=flowed
    //  Content-Transfer-Encoding: 7bit
    //  
    //  This is a simple plain-text body.
    //  --------------000502000000020502010608
    //  Content-Type: application/x-hprimnet; name="1.HPM"
    //  Content-Transfer-Encoding: base64
    //  Content-Disposition: attachment; filename="1.HPM"
    //  Content-Description: HPM/3.0
    //  
    //  FILE_DATA_IS_HERE...
    //  
    //  --------------000502000000020502010608--

  }

  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."
  }
}