Android Open Source - face_rec_android Upload Form

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License

The source code is released under:

GNU General Public License

Java Source Code

package in.amolgupta.helpingfaceless.activities;
//from  ww  w .  ja va  2 s. com
import in.amolgupta.helpingfaceless.R;
import in.amolgupta.helpingfaceless.utils.LocationRequestData;

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

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;

import com.google.android.gms.location.LocationRequest;
import com.google.gson.Gson;

import android.app.Activity;
import android.app.NotificationManager;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.location.Location;
import android.location.LocationManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

/**
 * @author amol
 * 
 */
public class UploadForm extends HFBaseActivity implements OnClickListener {
  private static final int TAKE_PICTURE = 85;
  private Uri imageUri;
  private Uri selectedImage;
  private Location location;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_upload_form);
    Button mUploadButton = (Button) findViewById(R.id.btn_upload_to_server);
    Button mTryAgain = (Button) findViewById(R.id.btn_try_again);
    mTryAgain.setOnClickListener(this);

    mUploadButton.setOnClickListener(this);

    LocationManager lm = (LocationManager) this
        .getSystemService(Context.LOCATION_SERVICE);
    location = lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
    takePhoto();

  }

  /**
   * Intent to open the camera to capture photo
   */
  public void takePhoto() {
    Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
    File photo = new File(Environment.getExternalStorageDirectory(),
        "Pic.jpg");
    intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photo));
    imageUri = Uri.fromFile(photo);
    startActivityForResult(intent, TAKE_PICTURE);
  }

  /*
   * (non-Javadoc)
   * 
   * @see android.app.Activity#onActivityResult(int, int,
   * android.content.Intent)
   */
  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    switch (requestCode) {
    case TAKE_PICTURE:
      /*
       * Handle camera output
       */
      if (resultCode == Activity.RESULT_OK) {
        selectedImage = imageUri;
        getContentResolver().notifyChange(selectedImage, null);
        ImageView imageView = (ImageView) findViewById(R.id.img_upload_form);
        ContentResolver cr = getContentResolver();
        Bitmap bitmap;
        try {
          bitmap = android.provider.MediaStore.Images.Media
              .getBitmap(cr, selectedImage);

          imageView.setImageBitmap(bitmap);
          Toast.makeText(this, selectedImage.toString(),
              Toast.LENGTH_LONG).show();
          // UploadTask upload = new UploadTask(selectedImage);
          // upload.execute();
        } catch (Exception e) {
          Toast.makeText(this, "Failed to load", Toast.LENGTH_SHORT)
              .show();
          Log.e("Camera", e.toString());
        }
      }
    }
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.btn_upload_to_server:
      UploadTask upload = new UploadTask(selectedImage, location);
      upload.execute();
      finish();
      break;
    case R.id.btn_try_again:
      takePhoto();
    }
  }

  public class UploadTask extends AsyncTask<String, Void, Void> {
    private HttpClient mHttpClient;
    Uri imageUri;
    private NotificationManager mNotifyManager;
    private android.support.v4.app.NotificationCompat.Builder mBuilder;

    public UploadTask(Uri image, Location location) {
      this.imageUri = image;
      HttpParams params = new BasicHttpParams();
      params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION,
          HttpVersion.HTTP_1_1);
      mHttpClient = new DefaultHttpClient(params);
      mNotifyManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
      mBuilder = new NotificationCompat.Builder(UploadForm.this);
      mBuilder.setContentTitle("Upload")
          .setContentText("Upload in progress")
          .setSmallIcon(R.drawable.ic_launcher);
      mBuilder.setProgress(0, 0, true);
      // Displays the progress bar for the first time.
      mNotifyManager.notify(1, mBuilder.build());
    }

    public void uploadUserPhoto(File image) {

      try {

        HttpPost httppost = new HttpPost(
            "http://helpingfaceless.com/api/v1/information/upload");
        MultipartEntity multipartEntity = new MultipartEntity(
            HttpMultipartMode.BROWSER_COMPATIBLE);
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(
            1);
        if(location!=null)
        nameValuePairs.add(new BasicNameValuePair(
            "location_attributes",
            new LocationRequestData(location).getRequestString()));
        multipartEntity.addPart("photo", new FileBody(image));
        httppost.setEntity(multipartEntity);

        Object a = mHttpClient.execute(httppost,
            new PhotoUploadResponseHandler());

      } catch (Exception e) {
        e.printStackTrace();
      }
    }

    @Override
    protected Void doInBackground(String... params) {
      File f = new File(imageUri.getPath());
      uploadUserPhoto(f);
      return null;
    }

    @Override
    protected void onPostExecute(Void result) {
      mBuilder.setContentText("Upload complete").setProgress(0, 0, false);
      mNotifyManager.notify(1, mBuilder.build());
      super.onPostExecute(result);
    }
  }

  class PhotoUploadResponseHandler implements ResponseHandler<Object> {

    @Override
    public Object handleResponse(HttpResponse response)
        throws ClientProtocolException, IOException {

      HttpEntity r_entity = response.getEntity();
      String responseString = EntityUtils.toString(r_entity);
      Log.d("UPLOAD", responseString);

      return null;
    }

  }
}

Java Source Code List

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