setContentView(viewPager);

List<View> pages = null;

public SamplePagerAdapter(List<View> pages){
    this.pages = pages;
}

@Override
public Object instantiateItem(View collection, int position){
    View v = pages.get(position);
    ((ViewPager) collection).addView(v, 0);
    return v;
}

@Override
public void destroyItem(View collection, int position, Object view){
    ((ViewPager) collection).removeView((View) view);
}

@Override
public int getCount(){
    return pages.size();
}

@Override
public boolean isViewFromObject(View view, Object object){
    return view.equals(object);
}

@Override
public void finishUpdate(View arg0){
}

@Override
public void restoreState(Parcelable arg0, ClassLoader arg1){
}

@Override
public Parcelable saveState(){
    return null;
}

@Override
public void startUpdate(View arg0){
}

public class ViewPagerSampleActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    LayoutInflater inflater = LayoutInflater.from(this);
    List<View> pages = new ArrayList<View>();

    View page = inflater.inflate(R.layout.page, null);
    TextView textView = (TextView) page.findViewById(R.id.text_view);
    textView.setText("Страница 1");
    pages.add(page);

    page = inflater.inflate(R.layout.page, null);
    textView = (TextView) page.findViewById(R.id.text_view);
    textView.setText("Страница 2");
    pages.add(page);

    page = inflater.inflate(R.layout.page, null);
    textView = (TextView) page.findViewById(R.id.text_view);
    textView.setText("Страница 3");
    pages.add(page);

    SamplePagerAdapter pagerAdapter = new SamplePagerAdapter(pages);
    ViewPager viewPager = new ViewPager(this);
    viewPager.setAdapter(pagerAdapter);
    viewPager.setCurrentItem(1);

    setContentView(viewPager);
}