Android™

Base62 Encoding and Decoding

Demonstrates base62 encoding and decoding. 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);

    CkBinData bd = new CkBinData();

    //  Base62 encode.
    bd.AppendString("hello world","utf-8");
    String base62_encoded = bd.getEncoded("base62");
    Log.i(TAG, "hello world --> " + base62_encoded);

    //  Output: 
    //  hello world --> AAwf93rvy4aWQVw

    //  Base62 decode
    CkStringBuilder sb = new CkStringBuilder();
    sb.DecodeAndAppend("AAwf93rvy4aWQVw","base62","utf-8");
    Log.i(TAG, "decoded: " + sb.getAsString());

    //  Output:
    //  decoded: 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."
  }
}