Android Open Source - GestureMechanism File Downloader

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

/*
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *//from   w  w  w  . j  a v a 2 s  . co m
 * Please send inquiries to huber AT ut DOT ee
 */

package com.in.mobile.manager.adfile;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import com.in.mobile.database.adcontainer.DatabaseHandler;
import com.in.mobile.gesture.ad.AdContentLoader;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.os.Environment;
import android.widget.Toast;

/*
 * author Huber Flores
 * in-mobile, 2014
 */

public class FileDownloader extends AsyncTask<String, Void, String> {

  Context context;

  private String fileSdcardPath;

  DatabaseHandler dataAds;

  public FileDownloader(Context context) {
    this.context = context;
    dataAds = DatabaseHandler.getInstance();
    dataAds.setContext(context);
  }

  @Override
  protected String doInBackground(String... urls) {
    String response = "";
    for (String pathUrl : urls) {
      try {

        URL url = new URL(pathUrl);
        HttpURLConnection urlConnection = (HttpURLConnection) url
            .openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setDoOutput(true);
        urlConnection.connect();

        File SDCardRoot = Environment.getExternalStorageDirectory();
        File file = new File(SDCardRoot, "ad.jpg");

        FileOutputStream fileOutput = new FileOutputStream(file);
        InputStream inputStream = urlConnection.getInputStream();

        byte[] buffer = new byte[1024];
        int bufferLength = 0;

        while ((bufferLength = inputStream.read(buffer)) > 0) {
          fileOutput.write(buffer, 0, bufferLength);

        }

        fileSdcardPath = file.getAbsolutePath();
        fileOutput.close();

        dataAds.getInstance().getDatabaseManager()
            .saveData(fileSdcardPath, pathUrl, 1.0f, 1.0f);

      } catch (MalformedURLException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }

    }
    return response;
  }

  @Override
  protected void onPostExecute(String result) {
    Toast.makeText(context, "File downloaded", Toast.LENGTH_SHORT).show();
    // adUpdate(fileSdcardPath);
    AdContentLoader.adUpdate("ad_image.png");

  }

  public String getFileSdcardPath() {
    return this.fileSdcardPath;
  }
}

Java Source Code List

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