[android-developers] grid view is not showing remote images

[Ratheesh Valamchuzhy]

i am developing an app which shows thumbnail of images using grid view   i
created image adapter class to get the thumbnail images , but it is not
working plse help me(force close)

here is my code

package com.playswf;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;

public class playswf extends Activity {
   String[] imageURLs = new String[100];
   Bitmap bitmap;
   ArrayList<String>list=new  ArrayList<String>();
  public  JSONObject json;
 int   count;
//  String[] mylist =new String[100];

//private ImageAdapter imageAdapter;
 /** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//getimageurl();
 GridView sdcardImages = (GridView) findViewById(R.id.gridview);
list.add("http://works.sodprojects.com/mobile/$userfiles/thumb_82_431_39.jpg
");
list.add("http://works.sodprojects.com/mobile/$userfiles/thumb_82_431_39.jpg
");
list.add("http://works.sodprojects.com/mobile/$userfiles/thumb_82_431_39.jpg
");
        sdcardImages.setAdapter(new ImageAdapter(this));
 //  Toast.makeText(getBaseContext(),
                //  " selected"+ list.toString() ,
                //   Toast.LENGTH_SHORT).show();

}
  private class ImageAdapter extends BaseAdapter {

        private final Context context;

        public ImageAdapter(Context localContext) {
            context = localContext;
        }

        public int getCount()
        {
            return list.size();
        }
        public Object getItem(int position)
        {
            return position;
        }
        public long getItemId(int position)
        {
            return position;
        }

        public View getView(int position, View convertView, ViewGroup
parent)
        {
            ImageView picturesView;
            if (convertView == null) {
                picturesView = new ImageView(context);

                for(int i=0;i<list.size();i++)
                {
                    Bitmap mBitmap = BitmapFactory.decodeFile(list.get(i));
                    picturesView.setImageBitmap(mBitmap);
                }
                picturesView.setScaleType(ImageView.ScaleType.FIT_CENTER);
                picturesView.setPadding(8, 8, 8, 8);
                picturesView.setLayoutParams(new GridView.LayoutParams(100,
100));
            }
            else
            {
                picturesView = (ImageView)convertView;
            }
            return picturesView;
        }
    }


private ArrayList<String> getimageurl() {

 json =JsonImplementation.getJSONfromURL("
http://works.sodprojects.com/mobile/mobile/ViewPhotos/?id=82";);

// Toast.makeText(getBaseContext(),
             //   " selected"+ json .toString(),
               //  Toast.LENGTH_SHORT).show();
 try{

          JSONArray  data = json.getJSONArray("result");

          count =data.length();

          for(int i=0;i<data.length();i++){

  JSONObject e = data.getJSONObject(i);

  //getting the value of message_id and conversation_id
  //MainActivity.MESSAGE_ID=e.getString("username");
  list.add("http://works.sodprojects.com/mobile/"+e.getString("Photo"));
  //list[i]="http://works.sodprojects.com/mobile/"+e.getString("Photo");

          }
      /// Toast.makeText(getBaseContext(),
             //   " selected"+ mylist[0],
             //    Toast.LENGTH_SHORT).show();
 }
  catch(JSONException e)        {
             Log.e("log_tag", "Error parsing data "+e.toString());
  }
return list;
  // TODO Auto-generated method stub
 }
public static Bitmap downloadFile(String fileUrl){
    Bitmap bmImg = null;
        URL myFileUrl =null;
        try {
             myFileUrl= new URL(fileUrl);
        } catch (MalformedURLException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
        }
        try {
             HttpURLConnection conn=
(HttpURLConnection)myFileUrl.openConnection();
             conn.setDoInput(true);
             conn.connect();
             InputStream is = conn.getInputStream();

             bmImg = BitmapFactory.decodeStream(is);
           //  imView.setImageBitmap(bmImg);
        } catch (IOException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
        }
return bmImg;
   }
}


xml file

<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android";
    android:id="@+id/gridview"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:numColumns="auto_fit"
    android:verticalSpacing="10dp"
    android:horizontalSpacing="10dp"
    android:columnWidth="90dp"
    android:stretchMode="columnWidth"
    android:gravity="center"
/>

urgent............
thnks



-- 
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ωιтн яєgαя∂ѕ
Ratheesh * *...........

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