viewpager.getLayoutParams().height = 20000;
viewpager.requestLayout();`

ViewGroup.LayoutParams params = viewPagerBottom.getLayoutParams();
params.height =  20000;
viewPagerBottom.setLayoutParams(params);

<ScrollView
    style="@style/scrollDefaultStyle"
    android:layout_height="wrap_content"
    android:fillViewport="true"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TabLayout .... />

        <android.support.v4.view.ViewPager
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1" />

    </LinearLayout>
</ScrollView>