ScrollView does not display some user interface elements

Question

I am developing an application with query execution through an API on a web server. My search page displays well in portait mode, but is too large for landscape mode, so I decided to just contain all the user interface elements in ScrollView by setting up the XML in the layout folder. The problem is that the buttons at the bottom of my form do not appear in the ScrollView landscape. I do not use ScrollView in portrait, so maybe a problem? The XML format is as follows:

<LinearLayout>
<ScrollView>
    <LinearLayout>
        <TableLayout>
            <!-- stuff here is being shown (table with TextViews and EditTexts -->
        </TableLayout>
        <LinearLayout>
            <!-- stuff here is not being shown (3 Buttons) -->
        </LinearLayout>
    </LinearLayout>
</ScrollView>

Answer 1

Most likely, you forgot to install android:orientation="vertical"in your LinearLayout(direct child ScrollView).