I've got one question. I designed layout for movie details and it looks like this:

Now, I want to add movie description when user scroll down (so this layout stays the same, but when user scrolls it will display movie description). Current layout is wrapped in LinearLayout (vertical). How could I implement that scroll ? I tried to add scroll view as parent but it stretches this layout down...
Here is code by now ...
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:weightSum="10">
<ImageView
android:id="@+id/iv_backdrop"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="4"
android:scaleType="centerCrop" />
<LinearLayout
android:id="@+id/layout_favorite"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="-40dp"
android:gravity="right">
<RelativeLayout
android:layout_width="100dp"
android:layout_height="80dp"
android:layout_marginEnd="25dp">
<ImageView
android:id="@+id/iv_background_favorite"
android:layout_width="100dp"
android:layout_height="80dp"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:tint="#000000"
app:srcCompat="@drawable/ic_ellipse" />
<ImageView
android:id="@+id/iv_foreground_favorite"
android:layout_width="65dp"
android:layout_height="45dp"
android:layout_centerInParent="true"
android:layout_centerVertical="true"
app:srcCompat="@drawable/ic_favorite_border_white_36px" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/layout_short_desc"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginTop="-20dp"
android:layout_weight="4">
<ImageView
android:id="@+id/iv_poster"
android:layout_width="150dp"
android:layout_height="wrap_content"
android:layout_gravity="left"
android:layout_marginStart="20dp"
android:adjustViewBounds="true"
android:scaleType="fitCenter" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="20dp"
android:orientation="vertical">
<TextView
android:id="@+id/tv_title"
android:layout_width="150dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:textSize="19sp"
android:textStyle="bold" />
<TextView
android:id="@+id/tv_tagline"
android:layout_width="160dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_marginTop="8dp"
android:textSize="16sp"
android:textStyle="italic" />
<TextView
android:id="@+id/tv_movie_released"
android:layout_width="160dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_marginTop="8dp"
android:text="12-12-2007(Released)"
android:textAlignment="viewStart"
android:textAllCaps="false"
android:textSize="16sp" />
<TextView
android:id="@+id/tv_movie_duration"
android:layout_width="160dp"
android:layout_height="wrap_content"
android:layout_marginStart="20dp"
android:layout_marginTop="8dp"
android:text="Duration - 90 min"
android:textSize="16sp" />
</LinearLayout>
</LinearLayout>
<View
android:id="@+id/v_separator"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_marginLeft="25dp"
android:layout_marginRight="25dp"
android:layout_marginTop="20dp"
android:background="@android:color/darker_gray" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="2"
android:weightSum="4">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:layout_margin="20dp"
android:src="@drawable/hexagon" />
<TextView
android:id="@+id/tv_vote_average"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_gravity="center_horizontal"
android:textColor="#ffffff"
android:textSize="16sp" />
<TextView
android:id="@+id/tv_number_votes"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center_horizontal"
android:textColor="#000000"
android:textSize="16sp" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="20dp"
android:adjustViewBounds="true"
android:src="@drawable/theatre" />
<TextView
android:id="@+id/tv_genre"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center_horizontal"
android:textColor="#000000"
android:textSize="16sp" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:layout_margin="20dp"
android:src="@drawable/circle_double_border" />
<TextView
android:id="@+id/tv_popularity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:layout_gravity="center_horizontal"
android:textColor="#ffffff"
android:textSize="16sp" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center_horizontal"
android:text="Popularity"
android:textColor="#000000"
android:textSize="16sp" />
</RelativeLayout>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerInParent="true"
android:layout_margin="20dp"
android:src="@drawable/circle_double_border" />
<TextView
android:id="@+id/tv_language"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_gravity="center_horizontal"
android:textColor="#ffffff"
android:textSize="16sp" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center_horizontal"
android:text="Language"
android:textColor="#000000"
android:textSize="16sp" />
</RelativeLayout>
</LinearLayout>
</LinearLayout>
</LinearLayout>