Android™

Add a Related String Addressed by Name

Demonstrates the Chilkat Email.AddRelatedString2 method, which adds a related item from an in-memory string, addressed by the name used in the HTML rather than by a generated Content-ID. The first argument should match the filename used in an HTML img src or a stylesheet link href; the second is the Unicode content; the third is the charset it is converted to. Related items are images and style sheets embedded to support the HTML display — they are not attachments. This example embeds a CSS style sheet referenced as styles.css.

Background: This is the string-based, Content-Location counterpart to AddRelatedString. Instead of the HTML pointing at a cid: URL, it keeps a natural reference like href="styles.css", and the related part is matched to it by name. That makes it a good fit when you are turning existing web content into email and want the original relative references to keep working without rewriting them.

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// 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);

    //  Demonstrates the AddRelatedString2 method, which adds a related item to the email from
    //  an in-memory string, addressed by the name used in the HTML (Content-Location).  The first
    //  argument is the filename used in the HTML reference, the second is the content, and the
    //  third is the charset.

    CkEmail email = new CkEmail();
    email.put_Subject("Email with a related style sheet (by name)");

    //  The HTML references the style sheet by the same name used for the related item.
    email.SetHtmlBody("<html><head><link rel=\"stylesheet\" href=\"styles.css\"/></head><body>Styled.</body></html>");

    //  Add the style sheet as a related item addressed by the name used in the HTML.
    email.AddRelatedString2("styles.css","body { color: navy; }","utf-8");

    Log.i(TAG, "NumRelatedItems = " + String.valueOf(email.get_NumRelatedItems()));

  }

  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."
  }
}