Android Open Source - spotthestation Upload To Nasa Server Activity

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * Written by Eleanor Da Fonseca, Weixiong Cen, Harrison Black & Boris Feron
 *///www . j  av  a 2  s . co  m

package nasa.android.spotthestation;

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

import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.jarjar.apache.commons.codec.binary.Base64;

import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Bitmap.CompressFormat;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;

public class UploadToNasaServerActivity extends Activity {
  // Static variables
  private final String UPLOAD_TO_NASA_URL = "http://matai.aut.ac.nz:8080/NASAControlServer/ImageUploadServlet";
  // Instance variables
  private EditText commentField;
  private double latitude, longitude;
  private Bitmap imageBitmap;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_upload_to_nasa_server);
    Bundle intentBundle = getIntent().getExtras();
    Uri photoURI = (Uri) intentBundle.get("PhotoURI");
    BitmapFactory.Options bmpFactoryOptions = new BitmapFactory.Options();
    bmpFactoryOptions.inSampleSize = 10; // 1/10 of the quality
    bmpFactoryOptions.inJustDecodeBounds = false;
    imageBitmap = BitmapFactory.decodeFile(photoURI.getPath(), bmpFactoryOptions);
    Log.v("Test", "Bitmap = " + imageBitmap);
    commentField = (EditText) findViewById(R.id.commentField);
    latitude = intentBundle.getDouble("Lat");
    longitude = intentBundle.getDouble("Long");
    Log.v("Test", "Lat = " + latitude + " Long = " + longitude);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.upload_to_nasa_server, menu);
    return true;
  }

  public void nasaUpload(View v) {
    new UploadToNASA().execute("");
  }

  private class UploadToNASA extends AsyncTask<String, String, String> {
    @Override
    protected String doInBackground(String... uri) {
      ByteArrayOutputStream imageBytes = new ByteArrayOutputStream();
      imageBitmap.compress(CompressFormat.JPEG, 100, imageBytes);
      Log.v("Test", "image byte length: " + imageBytes.toByteArray().length);
      uploadToNASA(imageBytes.toByteArray());
      return "Done";
    }

    private void uploadToNASA(byte[] photo, String... uri) {
      String photoBase64Encoded = Base64.encodeBase64URLSafeString(photo);
      List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
      String commentBase64ed = Base64.encodeBase64URLSafeString(("" + latitude + ";" + longitude + ";" + photo.length + ";" + commentField.getText().toString()).getBytes());
      Log.v("Test", "commentBase64ed: " + commentBase64ed);
      nameValuePairs.add(new BasicNameValuePair(commentBase64ed, photoBase64Encoded));
      try {
        HttpClient httpclient = new DefaultHttpClient();
        HttpPost httppost = new HttpPost(UPLOAD_TO_NASA_URL);
        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
        httpclient.execute(httppost);
      }
      catch (Exception e) {
        e.printStackTrace();
      }
    }

    @Override
    protected void onPostExecute(String data) {
      Toast.makeText(getApplicationContext(), "Message sent", Toast.LENGTH_SHORT).show();
      Intent activityIntent = new Intent(getApplicationContext(), MapActivity.class);
      startActivity(activityIntent);
    }
  }
}
Java Source Code List
