Android BadgeView在Fragment onStart中没有显示

Question

我使用BadgeView并希望在Fragment Tab OnStart时显示徽章编号。 BadgeView在FragmentActivity类中成功显示，但不知何故它没有显示出来 片段类。 请帮我... 这是我的代码

enter code here

public class Info扩展Fragment {

@Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
  }

@Override
public void onCreate(Bundle savedInstanceState) {
    // TODO Auto-generated method stub
    super.onCreate(savedInstanceState);
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
    Bundle savedInstanceState) {
    // TODO Auto-generated method stub

    return inflater.inflate(R.layout.activity_info, container, false);

}

@Override
public void onStart() {
    // TODO Auto-generated method stub
    super.onStart();

    TabWidget tabs = (TabWidget) getView().findViewById(android.R.id.tabs);
    BadgeView badge = new BadgeView(getActivity().getApplicationContext(),tabs,2);
    badge.setText("8");
    badge.show();       


}

}

Answer 1

你应该改变这个

 TabWidget tabs = (TabWidget) getView().findViewById(android.R.id.tabs);

到

 TabWidget tabs = (TabWidget) getActivity().findViewById(android.R.id.tabs);