Android Open Source - Get_elements_from_web_and_caching Adapter_ List

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License

The source code is released under:

Apache License

Java Source Code

package adapters;
/*  w  w  w .j a v  a2  s. co  m*/
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;

import background.ImageLoader;
import vierco.com.example.template.Hello;
import vierco.com.example.template.R;
import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class Adapter_List extends BaseAdapter {

  private int mLastPosition = -1;

  private Activity activity;
  private ArrayList<HashMap<String, String>> data;
  private static LayoutInflater inflater=null;
  public ImageLoader imageLoader; 
  String separator = System.getProperty ("line.separator");


  public Adapter_List(Activity a, ArrayList<HashMap<String, String>> d) {
    activity = a;
    data=d;
    inflater = (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    imageLoader=new ImageLoader(activity.getApplicationContext());
  }

  public int getCount() {
    return data.size();
  }

  public Object getItem(int position) {
    return position;
  }

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

  private class ViewHolder { 
    ImageView image_row;
    TextView title; 
    TextView subtitle; 
  }


  public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder = null;
    View vi=convertView;



    if(convertView==null) {
      vi = inflater.inflate(R.layout.row_list, null);
      holder = new ViewHolder();

      holder.image_row=(ImageView)vi.findViewById(R.id.IMV_imageRow);
      holder.title = (TextView)vi.findViewById(R.id.TXV_title);
      holder.subtitle = (TextView)vi.findViewById(R.id.TXV_subtitle);

      vi .setTag(holder);

    }
    else
      holder = (ViewHolder) vi.getTag();

    HashMap<String, String> items = new HashMap<String, String>();
    items = data.get(position);

    try { 
      String textentrie = new String(items.get(Hello.KEY_TITLE).getBytes("UTF-8"));
      textentrie=textentrie.replaceAll("<br>",separator);
      holder.title.setText(textentrie);
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();}
    try { 
      String textentrie = new String(items.get(Hello.KEY_SUBTITLE).getBytes("UTF-8"));
      textentrie=textentrie.replaceAll("<br>",separator);
      holder.subtitle.setText(textentrie);
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();}

    imageLoader.DisplayImage(items.get(Hello.KEY_IMAGE), holder.image_row);

    // Entradas de las noticias
    TranslateAnimation animation = null;
    if (position > mLastPosition) {
      animation = new TranslateAnimation(
          Animation.RELATIVE_TO_SELF,
          0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
          Animation.RELATIVE_TO_SELF, 1.0f,
          Animation.RELATIVE_TO_SELF, 0.0f);

      animation.setDuration(600);
      vi.startAnimation(animation);
      mLastPosition = position;
    }

    return vi;
  }
}

Java Source Code List

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