删除ListView中的顶部分隔线

ListView listView = findViewById(R.id.listView);
listView.setDivider(null);
listView.setDividerHeight(0);

<ListView
    android:id="@+id/listView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:divider="@null"
    android:dividerHeight="0dp" />

setContentView(R.layout.custom_listview);
ListView listView = findViewById(R.id.listView);

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    // ...
    if (position == 0) {
        convertView.setDivider(null);
        convertView.setDividerHeight(0);
    } else {
        convertView.setDivider(getResources().getDrawable(R.drawable.list_divider));
        convertView.setDividerHeight(1);
    }
    // ...
    return convertView;
}