ListView Header Scroll Problem in Android

When i scroll on header with listview. Listview scroll header background. But i want scroll with header. We add header view for listviews header for scrolling.

activity_post_detail.xml

<LinearLayout>
  <LinearLayout>
  <!--Header-->
  <LinearLayout/>
  <ListView/>
<LinearLayout/>

We convert 2 view, such as; view_post.xml

<LinearLayout>
  <LinearLayout>
  <!--Header-->
  <LinearLayout/>
<LinearLayout/>

activity_post_detail.xml

<LinearLayout>
  <ListView/>
<LinearLayout/>

after implement header with listview

private ListView lv;
private View post;

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

    post=getLayoutInflater().inflate(R.layout.view_post, null);

    lv = (ListView)findViewById(R.id.listView);
    lv.addHeaderView(post);
    lv.setAdapter(new CommentAdapter(this));
    
    ...
}