How to make the linearlayout in scrollview to fill the whole area

Answer 1

You need set fillViewport:

<ScrollView
    android:id="@+id/scrollView1"
    android:background="#000000"
    android:layout_width="match_parent"
    android:fillViewport="true" <!-- here -->
    android:layout_height="match_parent" >

    ...

 </ScrollView>

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