ArticleActivity.scala

class ArticleActivity extends Activity with TypedActivity {
  override def onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)

    val details: EntryFragment = new EntryFragment()
    details.setArguments(getIntent().getExtras())
    getFragmentManager().beginTransaction().add(android.R.id.content, details).commit()
  }
}

EntryFragment.scala

class EntryFragment extends Fragment {
  override def onCreateView(inflater: LayoutInflater, container: ViewGroup, savedInstanceState: Bundle): View = {
    if (container == null) {
      return null
    }
    val v: View = inflater.inflate(R.layout.article, container, false)
    val w: WebView = v.findViewById(R.id.browser).asInstanceOf[WebView]
    w.loadUrl(getArguments().getString("url"))
    return v
  }
}