i am using webservice to list detail about local business directory,
here i cant list image from url ,but i got image url which comes from
web service, now my query is how to list image in list view with
rating bar dynamically from web service.
package xml.parse;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
public class Main extends ListActivity {
protected static final int ACTIVITY_CREATE = 0;
private ArrayList <HashMap<String, Object>> myBooks;
private static final String BOOKKEY ="lastname";
private static final String PRICEKEY = "city";
private static final String Photo = "photo";
String k;
Drawable drawable;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.listplaceholder);
ListView listView = (ListView)findViewById(R.id.list);
myBooks = new ArrayList<HashMap<String,Object>>();
HashMap<String, Object> hm = null;
String xml = XMLfunctions.getXML("http://122.165.58.219/demo/
finddentist/listdentist.php");
Document doc = XMLfunctions.XMLfromString(xml);
int numResults = XMLfunctions.numResults(doc);
if((numResults <= 0)){
Toast.makeText(Main.this, "No result found",
Toast.LENGTH_LONG).show();
finish();
}
NodeList nodes = doc.getElementsByTagName("record");
for (int i = 0; i < nodes.getLength(); i++) {
hm = new HashMap<String, Object>();
Element e = (Element)nodes.item(i);
hm.put(BOOKKEY, XMLfunctions.getValue(e,
"lastname"));
hm.put(PRICEKEY, XMLfunctions.getValue(e,"city"));
hm.put(Photo, XMLfunctions.getValue(e,"photo"));
myBooks.add(hm);
url=(String) hm.get(Photo);
Toast.makeText(Main.this,k, Toast.LENGTH_LONG).show();
Drawable drawable = LoadImageFromWebOperations(url);
imgView.setImageDrawable(drawable);
listView.setAdapter(new myListAdapter(myBooks,this));
listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
}
}
class myListAdapter extends BaseAdapter{
private ArrayList<HashMap<String, Object>> Books;
private LayoutInflater mInflater;
public myListAdapter(ArrayList<HashMap<String, Object>> books,
Context context){
Books = books;
mInflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return Books.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return Books.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup
parent) {
// TODO Auto-generated method stub
// A ViewHolder keeps references to children views to
avoid
unneccessary calls
// to findViewById() on each row.
ViewHolder holder;
// When convertView is not null, we can reuse it
directly, there is
no need
// to reinflate it. We only inflate a new View when the
convertView supplied
// by ListView is null
if (convertView == null) {
convertView = mInflater.inflate(R.layout.listbox, null);
// Creates a ViewHolder and store references to the two
children views
// we want to bind data to.
holder = new ViewHolder();
holder.v = (TextView)
convertView.findViewById(R.id.text1);
holder.v1 = (TextView)
convertView.findViewById(R.id.text2);
// holder.icon =(ImageView)findViewById(R.id.img);
convertView.setTag(holder);
}else {
// Get the ViewHolder back to get fast access
to the TextView
// and the ImageView.
holder = (ViewHolder) convertView.getTag();
}
// Bind the data with the holder.
holder.v.setText((String)
Books.get(position).get(BOOKKEY));
holder.v1.setText((String)
Books.get(position).get(Photo));
//holder.icon.setImageDrawable(drawable);
//
holder.icon.setImageResource((Integer)Books.get(position).get(drawable));
return convertView;
}
private Drawable LoadImageFromWebOperations(String url)
{
try
{
InputStream is = (InputStream) new URL(url).getContent();
Drawable d = Drawable.createFromStream(is, "src name");
return d;
}catch (Exception e) {
System.out.println("Exc="+e);
return null;
}
}
class ViewHolder {
TextView v;
TextView v1;
ImageView icon;
}
}
}
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