Android™

MIME Header Q and B Encoding and Decoding

See more Encryption Examples

Demonstrates how to Q and B encode/decode. 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;

    CkStringBuilder sb = new CkStringBuilder();

    sb.Append("This is a test");

    Log.i(TAG, sb.getEncoded("B","utf-8"));
    // output is:
    // =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=

    Log.i(TAG, sb.getEncoded("Q","iso-8859-1"));
    // output is:
    // =?utf-8?Q?This_is_a_test?=

    CkStringBuilder sb2 = new CkStringBuilder();

    sb2.Append("=?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=");
    sb2.Decode("B","utf-8");
    Log.i(TAG, sb2.getAsString());

    // output is:
    // This is a test

    sb2.Clear();
    sb2.Append("=?utf-8?Q?This_is_a_test?=");
    sb2.Decode("Q","utf-8");
    Log.i(TAG, sb2.getAsString());

    // output is:
    // This is a test

    // "B" or "Q" will decode both B and Q.
    sb2.Clear();
    sb2.Append("=?utf-8?Q?This_is_a_test?= 123 =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=");
    sb2.Decode("Q","utf-8");
    Log.i(TAG, sb2.getAsString());

    // output is:
    // This is a test 123 This is a test

  }

  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."
  }
}