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我想在标签下方显示一个按钮和一个饼图。这就是我使用的代码:https://github.com/JakeWharton/ActionBarSherlock/blob/master/samples/fragments/src/com/actionbarsherlock/sample/fragments/FragmentTabs.java 而不是 CountingFragment 等。我实现了自己的. 我不知道该怎么办

我的 xml:fragment_graph_categories.xml

  <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/fragment_graph_categories"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" >

        <Button
            android:id="@+id/button_filter"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/button_filter" />
    </LinearLayout>

这就是我附加到 TabManger 的“标签”

public class GraphCategories extends SherlockFragmentActivity {
    GraphCategoriesFragment mCategoriesFragment;

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

        if (savedInstanceState == null) {
            // Do first time initialization -- add initial fragment.
            mCategoriesFragment = GraphCategoriesFragment.newInstance(1);
            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
            ft.add(R.id.fragment_graph_categories, mCategoriesFragment).commit();
        } else {
            //mStackLevel = savedInstanceState.getInt("level");
        }
    }

    @Override
    protected void onResume() {
        if(mCategoriesFragment != null) {
            //mCategoriesFragment.onResumeRedraw();
        }
    }
    //notice Inner class
    public static class GraphCategoriesFragment extends SherlockFragment {
        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        //View mChartView = inflater.inflate(R.layout.hello_world, container, false);
        View rlayout = inflater.inflate(R.layout.fragment_graph_categories, container, false);

        //? rlayout = new LinearLayout(getActivity());


        return rlayout;
        }   
    }
}

但是我不确定要在片段 onCreateView 上膨胀什么,或者我的 xml 中是否需要 FrameLayout?我尝试了一些选项,但没有弄清楚。

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