table and rss problem

Hello i am new in forum and in android developing aplications , i have an idea in java but is the first time i make a program in android.
I have a big problem i find an rss code and put it in my aplication but is not work , i think is a problem with frame work and tabs.
In aplication a ihave 6 tabs with different works in two of them i want to make an rss for two different sites.
i belive the probleme is in frame works , the code is
MainActivity i have the code for tabs
[HIGH]public class MainActivity extends TabActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

TabHost tabHost = getTabHost();

// Tab
TabSpec Sspec = tabHost.newTabSpec("Shoopinp");
Sspec.setIndicator("Shopping");
Intent SIntent = new Intent(this, Shopping.class);
Sspec.setContent(SIntent);
// other tabs

// Adding all TabSpec to TabHost
tabHost.addTab(Sspec); // Adding tab[/HIGH]

the shopping
[HIGH]package com.example.project;



import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;

public class Shopping extends FragmentActivity {


public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.sho_layout);

if (savedInstanceState == null) {
addRssFragment();
}
}

private void addRssFragment() {
FragmentManager manager = getSupportFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
RssFragment fragment = new RssFragment();
transaction.add(R.id.fragment_container, fragment);
transaction.commit();
}

@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean("fragment_added", true);
}
}[/HIGH]
and the other is form a project i find in net and change for xml tag in my site tags from heare i see the code
androidresearch.wordpress.com
The main activity of this app i put the code in my shopping class and the other xml and java clas i put the same but change only the xml tangs and the site witch take it the rrs.