SimpleExoPlayer Fullscreen Playback Control Layout

exo_playback_control_view.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_gravity="bottom"
    android:layoutDirection="ltr"
    android:background="@drawable/video_gradient_bg"
    android:orientation="vertical">

    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" >

        <ImageButton
            android:id="@id/exo_play"
            style="@style/ExoMediaButton"
            android:layout_width="48dp"
            android:layout_height="48dp"
            android:layout_gravity="center"
            android:adjustViewBounds="true"
            android:scaleType="fitCenter"
            android:src="@drawable/jz_play_normal" />

        <ImageButton android:id="@id/exo_pause"
            style="@style/ExoMediaButton"
            android:layout_width="48dp"
            android:layout_height="48dp"
            android:layout_gravity="center"
            android:adjustViewBounds="true"
            android:scaleType="fitCenter"
            android:src="@drawable/jz_pause_normal" />
    </RelativeLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="10dp"
        android:layout_marginTop="4dp"
        android:layout_gravity="bottom"
        android:orientation="horizontal">

        <TextView android:id="@id/exo_position"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:textSize="14sp"
            android:textStyle="bold"
            android:paddingLeft="4dp"
            android:gravity="center_vertical"
            android:paddingRight="4dp"
            android:includeFontPadding="false"
            android:textColor="#FFBEBEBE"/>

        <com.google.android.exoplayer2.ui.DefaultTimeBar
            android:id="@id/exo_progress"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:gravity="center_vertical"
            android:layout_height="26dp"/>

        <TextView android:id="@id/exo_duration"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:textSize="14sp"
            android:textStyle="bold"
            android:paddingLeft="4dp"
            android:gravity="center_vertical"
            android:paddingRight="4dp"
            android:includeFontPadding="false"
            android:textColor="#FFBEBEBE"/>

        <ImageButton
            android:id="@+id/exo_fullscreen_button"
            android:layout_height="24dp"
            android:layout_width="24dp"
            android:gravity="center_vertical"
            android:layout_marginLeft="5dp"
            style="@style/ExoMediaButton"
            android:src="@drawable/ic_fullscreen_white_24dp"/>

    </LinearLayout>
</FrameLayout>