Android Open Source - PuppyFrame Stored Images Adapter

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License

The source code is released under:

MIT License

Java Source Code

package com.boztalay.puppyframeuid.configuration.editalbum;
//from w  w w.j a  va 2  s.  c o m
import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.provider.MediaStore;
import android.provider.MediaStore.Images.ImageColumns;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;

import com.boztalay.puppyframeuid.R;
import com.boztalay.puppyframeuid.configuration.views.SelectableImageView;
import com.boztalay.puppyframeuid.persistence.Album;
import com.nostra13.universalimageloader.core.ImageLoader;

public class StoredImagesAdapter extends BaseAdapter {
  private static final String FILE_PATH_PREFIX = "file://";

    private Album album;

  private Cursor cursor;
  private int pathColumnIndex;

  private LayoutInflater layoutInflater;

    public class PuppyFrameImageLoadingException extends Exception { }

  public StoredImagesAdapter(Context context, Album album) throws PuppyFrameImageLoadingException {
        this.layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        this.album = album;

      setUpCursor(context);
  }

    private void setUpCursor(Context context) throws PuppyFrameImageLoadingException {
        ContentResolver cr = context.getContentResolver();

        String[] columns = new String[] { ImageColumns.DATA };
        cursor = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, columns, null, null, null);
        if(cursor == null) {
            throw new PuppyFrameImageLoadingException();
        }

        pathColumnIndex = cursor.getColumnIndex(ImageColumns.DATA);
    }

  @Override
  public int getCount() {
    return cursor.getCount();
  }

  @Override
  public Object getItem(int position) {
    cursor.moveToPosition(position);
        String pathWithFilePrefix = FILE_PATH_PREFIX + cursor.getString(pathColumnIndex);
    return pathWithFilePrefix;
  }

  @Override
  public long getItemId(int position) {
    return position;
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    if(convertView == null) {
      convertView = layoutInflater.inflate(R.layout.simple_image_view, parent, false);
    } else {
      ImageLoader.getInstance().cancelDisplayTask((SelectableImageView)convertView);
      ((SelectableImageView)convertView).setImageDrawable(null);
    }

    String imagePath = (String) getItem(position);
    ImageLoader.getInstance().displayImage(imagePath, (SelectableImageView)convertView);

        boolean shouldImageBeChecked = album.getImagePaths().contains(imagePath) || album.isImageCached(imagePath);
        ((SelectableImageView)convertView).setChecked(shouldImageBeChecked);

    return convertView;
  }
}

Java Source Code List

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