Android Open Source - HomeMovies Screen Grid Adapter

From Project

Back to project page HomeMovies.
License

The source code is released under:
MIT License
If you think the Android project HomeMovies listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package il.co.All4Students.homemovies.util.adapter;
/*  w  w w  .j ava  2 s .  c o  m*/
import il.co.All4Students.homemovies.R;

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

import android.content.Context;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;

/**
 * RowViewHolder
 * 
 * @author Arkadi Yoskovitz
 * @date 2013-02-08
 */
public class ScreenGridAdapter extends ArrayAdapter<String> {
  // Attributes
  private static LayoutInflater mInflater = null;
  private ArrayList<String> mURIList;
  private Context mContext;

  // Constractors
  /**
   * ItemListAdapter - Constructor
   * 
   * @param itemList
   *            - The objects to represent in the ListView
   * @param context
   *            - The current context
   */

  public ScreenGridAdapter(Context context, ArrayList<String> uriList) {
    super(context, R.layout.list_row, uriList);
    this.mContext = context;
    this.mURIList = uriList;
    mInflater = (LayoutInflater) mContext
        .getSystemService(android.content.Context.LAYOUT_INFLATER_SERVICE);
  }

  // Adapter Methods
  /**
   * How many items are in the data set represented by this Adapter.
   * 
   * @return Count of items.
   */
  @Override
  public int getCount() {
    return mURIList.size();
  }

  /**
   * Get the data item associated with the specified position in the data set.
   * 
   * @param position
   *            - Position of the item whose data we want within the adapter's
   *            data set.
   * @return The data at the specified position.
   */
  @Override
  public String getItem(int position) {
    return mURIList.get(position);
  }

  /**
   * Get the row id associated with the specified position in the list.
   * 
   * @param position
   *            - The position of the item within the adapter's data set whose
   *            row id we want.
   * @return The id of the item at the specified position.
   */
  @Override
  public long getItemId(int position) {
    return position;
  }

  /**
   * Get a View that displays the data at the specified position in the data
   * set. You can either create a View manually or inflate it from an XML
   * layout file. When the View is inflated, the parent View (GridView,
   * ListView...) will apply default layout parameters unless you use
   * inflate(int, android.view.ViewGroup, boolean) to specify a root view and
   * to prevent attachment to the root.
   * 
   * @param position
   *            - The position of the item within the adapter's data set of
   *            the item whose view we want.
   * @param convertView
   *            - The old view to reuse, if possible. Note: You should check
   *            that this view is non-null and of an appropriate type before
   *            using. If it is not possible to convert this view to display
   *            the correct data, this method can create a new view.
   *            Heterogeneous lists can specify their number of view types, so
   *            that this View is always of the right type (see
   *            getViewTypeCount() and getItemViewType(int)).
   * @param parent
   *            - The parent that this view will eventually be attached to
   */
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    GridViewHolder viewHolder;
    if (convertView == null) {
      convertView = mInflater.inflate(R.layout.grid_item, parent, false);
      viewHolder = new GridViewHolder();
      viewHolder.gridImage = (ImageView) convertView
          .findViewById(R.id.gridImage);
      viewHolder.gridImage.setImageURI(Uri.fromFile(new File(mURIList
          .get(position))));
      viewHolder.gridImage.setScaleType(ImageView.ScaleType.CENTER_CROP);
      viewHolder.gridImage.setLayoutParams(new GridView.LayoutParams(70,
          70));
      convertView.setTag(viewHolder);
    } else {
      viewHolder = (GridViewHolder) convertView.getTag();
    }
    return convertView;
  }

  // Inner Classes
  /**
   * RowViewHolder
   * 
   * @author Arkadi Yoskovitz
   * @date 2013-02-08
   */
  static class GridViewHolder {
    ImageView gridImage;
  }
}
Java Source Code List
