eu.liveandgov.ar.utilities.AsyncTask

Introduction

Here is the source code for eu.liveandgov.ar.utilities.AsyncTask_ImRec.java
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/**
 * @copyright   Copyright (C) 2012 - 2013 Information Technology Institute ITI-CERTH. All rights reserved.
 * @license     GNU Affero General Public License version 3 or later; see LICENSE.txt
 * @author      Dimitrios Ververidis for the Multimedia Group (http://mklab.iti.gr). 
 */
package eu.liveandgov.ar.utilities;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import eu.liveandgov.ar.core.Constants_API;

import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;

/**
 * Perform image recognition using the IBS* method developed by CERTH
 * 
 * @copyright   Copyright (C) 2012 - 2013 Information Technology Institute ITI-CERTH. All rights reserved.
 * @license     GNU Affero General Public License version 3 or later; see LICENSE.txt
 * @author      Dimitrios Ververidis for the Multimedia Group (http://mklab.iti.gr). 
 * 
 */
public class AsyncTask_ImRec extends AsyncTask<String, String, HttpResponse> {

    String filepath;
    String app_id;
    Context ctx;

    /**
     * Asynchronously call image recognition service.
     * 
     * @param filepath_in : the image to recognize temporarily stored in sd.
     * @param app_id_in : the application framework. See at http://augreal.mklab.iti.gr/doc/doc_Recognizer.html for current options.
     * @param ctx_in : The context to use.
     */
    public AsyncTask_ImRec(String filepath_in, String app_id_in, Context ctx_in) {
        filepath = filepath_in;
        app_id = app_id_in;
        ctx = ctx_in;
    }

    @Override
    protected HttpResponse doInBackground(String... params) {

        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();

        nameValuePairs.add(new BasicNameValuePair("app_id", "5"));
        nameValuePairs.add(new BasicNameValuePair("upload", filepath));

        HttpResponse httpResponse = OS_Utils.remote_rec(Constants_API.url_php_IBSSTAR, nameValuePairs, ctx); // 0 is the score, 1 is the label, 2 id the associated Entity id (if any).

        return httpResponse;
    }

    @Override
    protected void onPostExecute(HttpResponse httpResponse) {

        String results = null;
        try {
            results = EntityUtils.toString(httpResponse.getEntity());
        } catch (ParseException e) {
        } catch (IOException e) {
        }

        if (results == null) {
            ctx.sendBroadcast(new Intent("android.intent.action.MAIN").putExtra("imrec",
                    new String[] { "none", "none", "none" }));
            ;
        } else {
            ctx.sendBroadcast(new Intent("android.intent.action.MAIN").putExtra("imrec", results.split(";")));
            ;
        }

        super.onPostExecute(httpResponse);
    }

}
eu.liveandgov.ar.utilities.AsyncTask_ImRec.java Source code

Introduction

Source
