VIDEO: activity_main.xml (orijentacija: vertikalno)

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:id="@+id/granica"
        android:layout_width="match_parent"
        android:layout_height="2dp"
        android:layout_marginHorizontal="20dp"
        android:layout_below="@id/spinner3_cardview"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="5dp"
        android:background="?android:color"
        android:orientation="horizontal"
        tools:ignore="Smalldp" />

    <androidx.cardview.widget.CardView
        android:id="@+id/spinner3_cardview"
        android:layout_width="42dp"
        android:layout_height="44dp"
        android:layout_marginLeft="10dp"
        app:cardCornerRadius="18dp"
        android:layout_marginTop="30dp">

        <Spinner
            android:id="@+id/spinner3"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="?android:colorPrimary"
            android:textColor="?android:textColorPrimary"
            android:theme="@style/Widget.MaterialComponents.TextView" />

    </androidx.cardview.widget.CardView>

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/granica"
        android:layout_centerInParent="true"
        android:layout_margin="20dp">

        <VideoView
            android:id="@+id/video"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:onClick="video_vertical" />

    </FrameLayout>

</RelativeLayout>