Android™

Ascii85 Encoding and Decoding

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Demonstrates ascii85 encoding and decoding.

Note: Requires Chilkat v9.5.0.79 or greater.

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;

    // First demonstrate encoding strings to ascii85 and back.
    CkStringBuilder sb = new CkStringBuilder();

    success = sb.Append("Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.");

    String encodedAscii85 = sb.getEncoded("ascii85","utf-8");
    Log.i(TAG, encodedAscii85);

    // Result is: 9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4 ... DII?(E,9)oF*2M7/c

    // Decode back to the original:
    sb.Clear();
    sb.Append(encodedAscii85);
    success = sb.Decode("ascii85","utf-8");
    Log.i(TAG, "Original:");
    Log.i(TAG, sb.getAsString());

    // ---- Now encode binary data to ascii85 ----
    CkBinData bd = new CkBinData();
    success = bd.LoadFile("qa_data/jpg/starfish20.jpg");
    encodedAscii85 = bd.getEncoded("ascii85");
    Log.i(TAG, encodedAscii85);

    // Result is:  s4IA0!"_al8O`[\!<E0k!([(is8E!F7VQ[M+Eqj?FED)3+C]U=6"Fn ...

    // Decode...
    bd.Clear();
    bd.AppendEncoded(encodedAscii85,"ascii85");
    success = bd.WriteFile("qa_output/starfish20.jpg");

  }

  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."
  }
}