Как разместить TextView в LinearLayout в XML?

Я делаю интерфейс видеоплеера для своего экзоплеера. Я печатаю TextView, чтобы показать качество, доступное для видео. Я не могу расположить свои TextView друг под другом. Они автоматически размещают их рядом друг с другом. Как я могу расположить их друг под другом?

Что я получаю и чего не хочу:

Что я хочу:

Мой xml:

<?xml version = "1.0" encoding = "utf-8"?>
<android.support.constraint.ConstraintLayout
    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"
    tools:context = ".MainActivity">

    <com.google.android.exoplayer2.ui.PlayerView
        android:id = "@+id/player_screen"
        android:layout_width = "0dp"
        android:layout_height = "0dp"
        android:layout_gravity = "center"
        app:layout_constraintBottom_toBottomOf = "parent"
        app:layout_constraintEnd_toEndOf = "parent"
        app:layout_constraintStart_toStartOf = "parent"
        app:layout_constraintTop_toTopOf = "parent"
        app:use_controller = "false" />

    <LinearLayout
        android:id = "@+id/root"
        android:layout_width = "0dp"
        android:layout_height = "0dp"
        android:layout_alignParentLeft = "true"
        android:layout_alignParentStart = "true"
        android:layout_alignParentTop = "true"
        android:layout_alignParentBottom = "true"
        android:orientation = "vertical"
        app:layout_constraintBottom_toBottomOf = "parent"
        app:layout_constraintEnd_toEndOf = "parent"
        app:layout_constraintStart_toStartOf = "parent"
        app:layout_constraintTop_toTopOf = "parent">

        <LinearLayout
            android:id = "@+id/middle"
            android:layout_width = "fill_parent"
            android:layout_height = "fill_parent"
            android:layout_weight = "1"
            android:orientation = "horizontal"></LinearLayout>

        <LinearLayout
            android:id = "@+id/options_container"
            android:layout_width = "fill_parent"
            android:layout_height = "400dp"
            android:layout_weight = "1"
            android:orientation = "horizontal">

            <TextView
                android:id = "@+id/options_container02"
                android:layout_width = "100dp"
                android:layout_height = "40dp"
                android:textColor = "#000000"
                android:textSize = "20dp"
                android:gravity = "center"
                android:orientation = "horizontal"
                android:text = "2160p">
                <requestFocus />
            </TextView>

            <TextView
                android:layout_width = "100dp"
                android:layout_height = "40dp"
                android:layout_below = "@id/options_container02"
                android:gravity = "center"
                android:orientation = "horizontal"
                android:text = "1080p"
                android:textColor = "#000000"
                android:textSize = "20dp">

                <requestFocus />
            </TextView>
        </LinearLayout>


        <LinearLayout
            android:id = "@+id/seek_bar_panel"
            android:layout_width = "match_parent"
            android:layout_height = "48dp"
            android:background = "#cfcfd1"
            android:orientation = "horizontal">

            <TextView
                android:id = "@+id/text_view_current"
                android:layout_width = "wrap_content"
                android:layout_height = "wrap_content"
                android:paddingBottom = "10dp"
                android:paddingLeft = "20dp"
                android:paddingRight = "10dp"
                android:paddingTop = "10dp"
                android:text = "00:00:00"
                android:textAppearance = "?android:attr/textAppearanceSmall"
                android:textColor = "#FFF" />

            <SeekBar
                android:id = "@+id/seek_bar"
                android:layout_width = "fill_parent"
                android:layout_height = "wrap_content"
                android:layout_weight = "1" />

            <TextView
                android:id = "@+id/text_view_total"
                android:layout_width = "wrap_content"
                android:layout_height = "wrap_content"
                android:paddingBottom = "10dp"
                android:paddingLeft = "10dp"
                android:paddingRight = "20dp"
                android:paddingTop = "10dp"
                android:text = "00:00:00"
                android:textAppearance = "?android:attr/textAppearanceSmall"
                android:textColor = "#FFF" />
            <ImageButton
                android:id = "@+id/button_setting"
                android:onClick = "button_setting_click"
                android:layout_width = "wrap_content"
                android:layout_height = "wrap_content"
                android:paddingBottom = "10dp"
                android:paddingLeft = "10dp"
                android:paddingRight = "20dp"
                android:paddingTop = "10dp"
                android:src = "@drawable/setting_img"/>
        </LinearLayout>
    </LinearLayout>
</android.support.constraint.ConstraintLayout>