Android Open Source - FaceTag-Android Photo Eval Fragment

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From Project

Back to project page FaceTag-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package edu.grinnell.facetag;
/*from  w w w.  jav a  2 s  .c  o m*/
import java.util.ArrayList;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.actionbarsherlock.app.SherlockFragment;
import com.actionbarsherlock.view.Menu;
import com.facetag_android.R;
import com.parse.GetDataCallback;
import com.parse.ParseException;
import com.parse.ParseFile;
import com.parse.ParseUser;

import edu.grinnell.facetag.parse.PhotoTag;
import edu.grinnell.facetag.utils.RoundedImageView;
import edu.grinnell.facetag.utils.actionBarFont;

/*
 * Fragment to prompt the user to evaluate photos that they have not yet seen
 */
public class PhotoEvalFragment extends SherlockFragment {
  final String TAG = "Photo Eval";

  View mView;
  GameScreenActivity mActivity;
  ParseUser mUser = ParseUser.getCurrentUser();
  ArrayList<PhotoTag> mPhotos = new ArrayList<PhotoTag>();

  TextView numPics;
  TextView question; // Indicates the user being targeted
  RoundedImageView evalPic;

  Button yesBut;
  Button noBut;
  // TODO Button: "I Dont Know"
  int picNum = 0;
  PhotoTag mPhoto;

  Animation spin;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mActivity = (GameScreenActivity) getSherlockActivity();
    Log.v(TAG , mUser.toString());
    setHasOptionsMenu(true);
  }

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

    mActivity.invalidateOptionsMenu();

    mView = inflater.inflate(R.layout.fragment_photo_eval, container, false);

    mPhotos.clear();
    mPhotos.addAll(mActivity.mPhotos);

    evalPic = (RoundedImageView) mView.findViewById(R.id.eval_photo);
    startLoadingAnim();

    spin = AnimationUtils.loadAnimation(mActivity, R.anim.loading);
    evalPic.setAnimation(spin);

    numPics = (TextView) mView.findViewById(R.id.num_pics);
    question = (TextView) mView.findViewById(R.id.question);

    OnClickListener voteButtonListener = new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        if (v.getId() == R.id.affirmative)
          mPhoto.setConfirmation(mPhoto.getConfirmation() + 1);
        else if (v.getId() == R.id.negative)
          mPhoto.setRejection(mPhoto.getRejection() + 1);
        ArrayList<ParseUser> voted = (ArrayList<ParseUser>) mPhoto.getVotedArray();
        voted.add(mUser);
        mPhoto.setVotedArray(voted);
        mPhoto.saveInBackground();
        startLoadingAnim();
        try {
          loadPhoto();
        } catch (ParseException e) {
          e.printStackTrace();
        }
      }
    };

    yesBut = (Button) mView.findViewById(R.id.affirmative);
    yesBut.setOnClickListener(voteButtonListener);
    noBut = (Button) mView.findViewById(R.id.negative);
    noBut.setOnClickListener(voteButtonListener);

    picNum = mPhotos.size();
    try {
      loadPhoto();
    } catch (ParseException e) {
      e.printStackTrace();
    }

    return mView;
  }

  @Override
  public void onPrepareOptionsMenu(Menu menu) {
    menu.removeItem(R.id.action_photos);
  }

  private void startLoadingAnim() {
    evalPic.setScaleType(ImageView.ScaleType.CENTER);
    evalPic.setImageResource(R.drawable.loading);
    evalPic.setAnimation(spin);
  }

  private void loadPhoto() throws ParseException {
    actionBarFont.fontChangeText(numPics, mView.getContext());
    numPics.setText(picNum + " pictures to evaluate");
    if (picNum > 0) {
      picNum--;
      mPhoto = mPhotos.get(picNum);

      ParseFile pic = mPhoto.getPhoto();
      ParseUser target = mPhoto.getTarget();
      actionBarFont.fontChangeText(question, mView.getContext());
      question.setText("Does this look like " + target.fetchIfNeeded().getString("fullName")
          + "?");

      pic.getDataInBackground(new GetDataCallback() {
        public void done(byte[] data, ParseException e) {
          if (e == null) {
            Bitmap bMap = BitmapFactory.decodeByteArray(data, 0, data.length);
            evalPic.clearAnimation();
            evalPic.setScaleType(ImageView.ScaleType.FIT_CENTER);
            evalPic.setImageBitmap(bMap);
          } else {
            Log.e(TAG, "Parse Error: " + e.getMessage());
          }
        }
      });
    } else {
      // If no more photos, return to detail fragment
      Toast.makeText(getActivity().getApplicationContext(), "No Photos To Rank",
          Toast.LENGTH_SHORT).show();
      mActivity.getSupportFragmentManager().popBackStack();
      // Fragment infoFrag = new GameInfoFragment();
      // mActivity.getSupportFragmentManager().beginTransaction()
      // .replace(R.id.fragment_container, infoFrag).commit();
    }
  }
}

Java Source Code List

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