<com.snail.labaffinity.view.DragScrollDetailsLayout

    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:fillViewport="false">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
            <Button
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="#98ff0000"
                android:text="pull up to show more"/>
        </LinearLayout>
    </ScrollView>
    <WebView
        android:id="@+id/webview"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
</com.snail.labaffinity.view.DragScrollDetailsLayout>

<com.snail.labaffinity.view.DragScrollDetailsLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

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

        <android.support.v4.app.FragmentTabHost
            android:id="@+id/tablayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

        </android.support.v4.app.FragmentTabHost>

        <FrameLayout
            android:id="@+id/content"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        </FrameLayout>
    </LinearLayout>

</com.snail.labaffinity.view.DragScrollDetailsLayout>

<com.snail.labaffinity.view.DragScrollDetailsLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

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

        <android.support.v4.app.FragmentTabHost
            android:id="@+id/tablayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

        </android.support.v4.app.FragmentTabHost>

        <FrameLayout
            android:id="@+id/content"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

        </FrameLayout>
    </LinearLayout>

</com.snail.labaffinity.view.DragScrollDetailsLayout>