CustomAdapter.java

package com.example1.locationapp;

import java.text.DecimalFormat;
import java.util.ArrayList;

import com.example1.locationapp.R;

import Controller.BitmapConverter;
import Model.FavouriteComment;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
/**
 *  custom list view adapter for making activity list view adapter
 * @author zuo2
 *
 */
public class CustomAdapter extends ArrayAdapter<FavouriteComment>{
	private ArrayList<FavouriteComment> favouriteComment;
    private Activity activity;
    
    

    /**
     * to create activity adapter for the list view
     * @param activity -- activity uses this adapter
     * @param textViewResourceId -- the layout
     * @param entries -- the entry that will be displaied
     */
    public CustomAdapter(Activity activity, int textViewResourceId, ArrayList<FavouriteComment> entries) {
        super(activity, textViewResourceId, entries);
        this.favouriteComment = entries;
        this.activity = activity;
    }
    
    

    /**
     * create activity view holder for list view view item
     */
	public static class ViewHolder{
        public TextView item1; //make a Testview
        public TextView item2; //make a Testview
        public TextView item3;
        public TextView item4;
        public ImageView imageview;
    }

	
	
	/**
	 * Put the data into the view
	 *@param postion
	 *@param converView
	 *@param parent
	 *@return 
	 *view which is View type
	 */
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		
		View view = convertView;
        ViewHolder holder;
        if (view == null) {
            LayoutInflater vi =
                (LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            view = vi.inflate(R.layout.listlayout, null);
            holder = new ViewHolder();
            holder.item1 = (TextView) view.findViewById(R.id.bigg);
            holder.item2 = (TextView) view.findViewById(R.id.smalll);
            holder.item3 = (TextView) view.findViewById(R.id.loca);
            holder.item4 = (TextView) view.findViewById(R.id.number);
            holder.imageview = (ImageView) view.findViewById(R.id.imageView88);
            view.setTag(holder);
        }
        else
            holder=(ViewHolder)view.getTag();
 
        final FavouriteComment custom = favouriteComment.get(position);
        if (custom != null) {
        	DecimalFormat format = new DecimalFormat("###.#");
            holder.item1.setText(custom.getTitle());
            holder.item2.setText(custom.getText());
            holder.item3.setText(format.format(custom.getDistance())+"m");
            
            if(custom.getUserName()==null)
         	{
         		holder.item4.setText("Guest");
         	}
            else
            {
            	holder.item4.setText(custom.getUserName());
            }
            
            if(custom.getImage()!=null)
            {   
            	BitmapConverter ImageConvter = new BitmapConverter();
            	Bitmap bitmap = ImageConvter.deserialize(custom.getImage(), null, null);
            	
            	if(bitmap!=null)
                {
                	holder.imageview.setImageBitmap(bitmap);        
                }
            }
            else
            {
            	holder.imageview.setImageBitmap(null);
            }
            
        }
        return view;
    }
}