Android Open Source - GoogleImageLoader Search History Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.challenge.uber.imageloader.adapter;
/*from   w ww . ja v  a2  s .  c o m*/
import org.json.JSONArray;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import com.challenge.uber.imageloader.R;

/**
 * Adapter for the search history when you are searching for new images.
 * @author Julien Salvi
 *
 */
public class SearchHistoryAdapter extends BaseAdapter {
  
  //Context references.
  private LayoutInflater inflater;
  private SuggestionViewHolder sugViewHolder;
  
  //JSON references.
  private JSONArray historyArray;

  /**
   * View Holder in order to display the history queries.
   * @author Julien Salvi
   *
   */
  static class SuggestionViewHolder {
    protected TextView textSuggestion;
  }
  
  /**
   * Constructor
   * @param c Current context
   * @param hist History as a JSON array.
   */
  public SearchHistoryAdapter(Context c, JSONArray hist) {
    inflater = (LayoutInflater) c.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    historyArray = hist;
  }

  @Override
  public int getCount() {
    try {
      return historyArray.length();
    } catch (Exception e) {
      return 0;
    }
  }

  @Override
  public String getItem(int position) {
    try {
      return historyArray.getString(position);
    } catch (Exception e) {
      return null;
    }
  }

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

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    View view = null;
    sugViewHolder = null;
    if (convertView == null) {
      sugViewHolder = new SuggestionViewHolder();
      view = inflater.inflate(R.layout.item_suggestion, parent, false);
      sugViewHolder.textSuggestion = (TextView) view.findViewById(R.id.text_sliding_item);
      view.setTag(sugViewHolder);
    } else {
      view = convertView;
      sugViewHolder = (SuggestionViewHolder)view.getTag();
    }
    
    try {
      sugViewHolder.textSuggestion.setText(historyArray.getString(position));
    } catch (Exception e) {
      e.printStackTrace();
    }
    
    return view;
  }

  /**
   * Get the current history
   * @return
   */
  public JSONArray getHistoryArray() {
    return historyArray;
  }

  /**
   * Update the new history
   * @param suggestionArray New JSON array history
   */
  public void setHistoryArray(JSONArray suggestionArray) {
    this.historyArray = suggestionArray;
  }
}

Java Source Code List

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