Android Open Source - Color-Detector Photo Fragment

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From Project

Back to project page Color-Detector.

License

The source code is released under:

Apache License

Java Source Code

package org.ia.practiques;
/*from   w  w w  .  j  a  v a2  s  .  c om*/
import java.util.concurrent.ExecutionException;

import android.app.DialogFragment;
import android.app.Fragment;
import android.content.Intent;
import android.graphics.Bitmap;
import android.hardware.Camera;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ProgressBar;

/**
 * This class contain the fragment which get the bitmap from the camera using
 * the intent provided by MediaStore
 * 
 * @author Victor Martinez
 * @see Camera
 */
public class PhotoFragment extends Fragment {

  int CAMERA_PIC_REQUEST = 2;
  int TAKE_PICTURE = 0;
  Camera camera;
  private View view;
  private KmeansTask kmeansTask;
  private Bitmap bitmap;
  private ProgressBar progressBar;

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {

    view = inflater.inflate(R.layout.camera_layout, container, false);
    progressBar = (ProgressBar) view.findViewById(R.id.progressBar2);
    progressBar.setVisibility(View.INVISIBLE);

    Button button = (Button) view.findViewById(R.id.camera_button);
    button.setOnClickListener(new OnClickListener() {

      public void onClick(View v) {
        Intent cameraIntent = new Intent(
            android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(cameraIntent, CAMERA_PIC_REQUEST);

      }
    });

    return view;
  }

  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == CAMERA_PIC_REQUEST) {
      bitmap = (Bitmap) data.getExtras().get("data");
      ImageView image = (ImageView) getView().findViewById(
          R.id.imageView1);
      image.setImageBitmap(bitmap);
      kmeansTask = new KmeansTask();
      kmeansTask.execute(bitmap);

    } else {

    }

  }

  public void setText() throws InterruptedException, ExecutionException {

    String string = kmeansTask.get();
    DialogFragment id = new ImageDialog(bitmap, string);
    id.show(getFragmentManager(), "image");

  }

  public class KmeansTask extends AsyncTask<Bitmap, Void, String> {

    private Rgb[] mClusters;

    @Override
    protected void onPreExecute() {
      progressBar.setVisibility(View.VISIBLE);
      super.onPreExecute();
    }

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

      Kmeans k = new Kmeans(2500, 10, params[0]);

      k.initCLusters();
      k.startKmeans();
      mClusters = k.getClusters();
      int[] cnt = k.getCnt();
      ClusterToString cTs = new ClusterToString(mClusters, cnt);
      String string = cTs.getColours();

      return string;
    }

    @Override
    protected void onPostExecute(String result) {

      try {
        setText();
        progressBar.setProgress(0);
        progressBar.setVisibility(View.INVISIBLE);
      } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      } catch (ExecutionException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
      super.onPostExecute(result);
    }

  }

}

Java Source Code List

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