Editext within Listview in android

main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ListView
        android:id="@+id/MyList"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:descendantFocusability="afterDescendants"
        android:cacheColorHint="@android:color/transparent"
        android:fadingEdge="none" >
    </ListView>

</LinearLayout>

row.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal" >

    <TextView
        android:id="@+id/txt"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="dfd" />
    <EditText
        android:id="@+id/ItemCaption"
        android:editable="true"
        android:layout_width="100dp"
        android:layout_height="wrap_content"
        android:layout_marginLeft="2dip"
      >
    </EditText>


</LinearLayout>

NewMain.Java
package com.example.editwithlist;

import java.io.IOException;
import java.util.ArrayList;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnFocusChangeListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class NewMain extends Activity {

ListView mListView;
int qty=1;
DatabaseConnectionAPI mDatabaseConnectionAPI;
ArrayList<ParserCategory> mArrayList;
InteractiveListViewAdapter mInteractiveListViewAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mDatabaseConnectionAPI = new DatabaseConnectionAPI(
getApplicationContext());
try {
mDatabaseConnectionAPI.createDataBase();
mDatabaseConnectionAPI.openDataBase();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mArrayList = new ArrayList<ParserCategory>();
mArrayList = mDatabaseConnectionAPI.getCategoryData();

mListView = (ListView) findViewById(R.id.MyList);
mInteractiveListViewAdapter=new InteractiveListViewAdapter(NewMain.this,R.layout.item,mArrayList);
mListView.setAdapter(mInteractiveListViewAdapter);

}

public class ViewHolder {
TextView text;
EditText scores;
}

public class InteractiveListViewAdapter extends ArrayAdapter<ParserCategory>

{
ArrayList<ParserCategory>mList;
Activity context;
ViewHolder viewHolder;
public InteractiveListViewAdapter(Context context, int resource,ArrayList<ParserCategory> mArrayList) {
super(context, R.layout.item,mArrayList);
this.context=(Activity) context;
mList=mArrayList;
}

@Override  
public View getView(final int position, View convertView, ViewGroup parent)
{      
View view = null;
if (convertView == null)
{            
LayoutInflater inflator = getLayoutInflater();

view = inflator.inflate(R.layout.item, null);

final ViewHolder viewHolder = new ViewHolder();
viewHolder.text = (TextView) view.findViewById(R.id.txt);  
viewHolder.scores=(EditText) view.findViewById(R.id.ItemCaption);  
viewHolder.scores.setText(mArrayList.get(position).getQty());

viewHolder.scores.addTextChangedListener(new TextWatcher()
{
public void onTextChanged(CharSequence s, int start, int before, int count) {    
ParserCategory element=(ParserCategory)viewHolder.scores.getTag();          
element.setQty(s.toString());      
}      
public void beforeTextChanged(CharSequence s, int start, int count,int after)
{      
}    
public void afterTextChanged(Editable s)
{                            
}
});    
viewHolder.scores.setTag(mList.get(position));
viewHolder.scores.setId(position);
view.setTag(viewHolder);  
}
else
{
view = convertView;
((ViewHolder) view.getTag()).scores.setTag(mList.get(position));
}

viewHolder = (ViewHolder) view.getTag();  
viewHolder.text.setText(mList.get(position).getCname());  
viewHolder.scores.setText(mList.get(position).getQty());  
return view;

}
}


}