(Android™) Obfuscate String

Demonstrates how to obfuscate and unobfuscate a string.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// 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);

    CkStringBuilder sb = new CkStringBuilder();
    boolean success;

    String s = "Hello World!";

    sb.Append(s);
    Log.i(TAG, sb.getAsString());

    // Output is "Hello World!";

    // Obfuscate the string.
    // This is NOT encryption.  It's just a simple obfuscation.
    sb.Obfuscate();
    Log.i(TAG, sb.getAsString());

    // Output is 2GsgGhbSQVyG8Vb9

    // -------------------------
    // Unobfuscate.
    CkStringBuilder sb2 = new CkStringBuilder();
    String s2 = "2GsgGhbSQVyG8Vb9";
    sb2.Append(s2);
    sb2.Unobfuscate();

    Log.i(TAG, sb2.getAsString());

    // Output is "Hello World!";

  }

  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."
  }
}