view_room_sendgift_people.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <ScrollView
        android:layout_width="160dp"
        android:layout_height="200dp"
        android:background="@drawable/shape_round8dp_e6000000"
        android:scrollbars="none">

        <LinearLayout
            android:id="@+id/ll_container"
            android:paddingTop="10dp"
            android:paddingBottom="10dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

        </LinearLayout>

    </ScrollView>
</RelativeLayout>