Android™

UU Encoding and Decoding

See more Encryption Examples

Demonstrates how to UU encode and 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);

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

    CkCrypt2 crypt = new CkCrypt2();

    String s1;
    String s2;
    String s3;

    s1 = "This string is to be UU encoded";

    crypt.put_UuMode("666");
    crypt.put_UuFilename("something.txt");

    // UU encode:
    s2 = crypt.encodeString(s1,"ansi","uu");

    // Note: Call crypt.Encode instead of crypt.EncodeString
    // to UU encode binary bytes (i.e. non-text binary data).

    Log.i(TAG, s2);

    // UU decode:
    CkCrypt2 crypt2 = new CkCrypt2();
    s3 = crypt2.decodeString(s2,"ansi","uu");

    // Note: Likewise, call crypt.Decode to decode non-text binary data.

    Log.i(TAG, s3);

    // Show the file permissions mode and filename found
    // in the UU encoded data:
    Log.i(TAG, "UuMode = " + crypt2.uuMode());
    Log.i(TAG, "UuFilename = " + crypt2.uuFilename());

  }

  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."
  }
}