SendBytes.java

/**
 * Project: ANE-Google-Analytics
 *
 * Author:  Alessandro Bianco
 * Website: http://alessandrobianco.eu
 * Twitter: @alebianco
 * Created: 23/12/12 10.42
 *
 * Copyright © 2013 Alessandro Bianco
 */
package eu.alebianco.air.extensions.analytics.functions;

import android.util.Log;
import com.adobe.fre.FREByteArray;
import com.adobe.fre.FREContext;
import com.adobe.fre.FREFunction;
import com.adobe.fre.FREObject;

import java.nio.ByteBuffer;

public class SendBytes implements FREFunction {

    @Override
    public FREObject call(FREContext context, FREObject[] args) {

        try {
            FREByteArray ba = (FREByteArray) args[0];
            ba.acquire();
            ByteBuffer bb = ba.getBytes();
            byte[] bytes = new byte[(int) ba.getLength()];
            bb.get(bytes);
            String str = new String(bytes);
            Log.d("ANE", "My ByteArray is long " + bytes.length + " bytes and contains '" +  str + "'");
            ba.release();
        } catch (Exception e) {
            Log.e("ANE", "An error occurred while reading the ByteArray", e);
        }

        FREByteArray result = null;
        try {
            result = FREByteArray.newByteArray();
            FREObject content = FREObject.newObject("hello to you!");
            FREObject[] params = new FREObject[] {content};
            result.callMethod("writeUTFBytes", params);
        } catch (Exception e) {
            Log.e("ANE", "An error occurred while writing the ByteArray", e);
        }

        return result;
    }
}

usage

// After initializing the extension ...

var ba:ByteArray = new ByteArray()
ba.writeUTFBytes("hello world");

var reply:ByteArray = context.call("sendBytes", ba) as ByteArray;
trace(reply.readUTF());