PlayerAndroid/app/src/main/res/layout/fragment_plain_controls_fragment.xml

<?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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:gravity="center_vertical"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <SeekBar
        android:id="@+id/player_progress_slider"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:maxHeight="3dp"
        android:paddingEnd="24dp"
        android:paddingStart="24dp"
        android:progressDrawable="@drawable/color_progress_seek"
        android:splitTrack="false"
        tools:progress="20" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:paddingEnd="16dp"
        android:paddingStart="16dp">


        <TextView
            android:id="@+id/player_song_current_progress"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:paddingEnd="8dp"
            android:paddingStart="8dp"
            android:textColor="?android:attr/textColorSecondary"
            android:textSize="12sp"
            android:textStyle="bold"
            tools:text="22.00" />


        <TextView
            android:id="@+id/player_song_total_time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0"
            android:paddingEnd="8dp"
            android:paddingStart="8dp"
            android:textColor="?android:attr/textColorSecondary"
            android:textSize="12sp"
            android:textStyle="bold"
            tools:text="22.00" />
    </LinearLayout>

    <RelativeLayout
        android:id="@+id/player_media_controller_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"
        tools:ignore="ContentDescription,UnusedAttribute">

        <ImageButton
            android:id="@+id/player_prev_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginEnd="8dp"
            android:layout_toStartOf="@+id/dummy_fab"
            android:background="?attr/roundSelector"
            android:padding="16dp"
            android:scaleType="fitCenter"
            app:srcCompat="@drawable/ic_skip_previous_white_24dp"
            tools:ignore="MissingPrefix"
            tools:tint="@color/md_black_1000" />

        <ImageButton
            android:id="@+id/player_next_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_marginStart="8dp"
            android:layout_toEndOf="@+id/dummy_fab"
            android:background="?attr/roundSelector"
            android:padding="16dp"
            android:scaleType="fitCenter"
            app:srcCompat="@drawable/ic_skip_next_white_24dp"
            tools:ignore="MissingPrefix"
            tools:tint="@color/md_black_1000" />

        <ImageButton
            android:id="@+id/player_repeat_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_centerVertical="true"
            android:background="?attr/roundSelector"
            android:padding="16dp"
            android:scaleType="fitCenter"
            app:srcCompat="@drawable/ic_repeat_white_24dp"
            tools:ignore="MissingPrefix"
            tools:tint="@color/md_black_1000" />

        <ImageButton
            android:id="@+id/player_shuffle_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_centerVertical="true"
            android:background="?attr/roundSelector"
            android:padding="16dp"
            android:scaleType="fitCenter"
            app:srcCompat="@drawable/ic_shuffle_white_24dp"
            tools:ignore="MissingPrefix"
            tools:tint="@color/md_black_1000" />

        <Space
            android:id="@+id/dummy_fab"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:layout_centerInParent="true" />

        <ImageButton
            android:id="@+id/player_play_pause_button"
            android:layout_width="52dp"
            android:layout_height="52dp"
            android:layout_centerInParent="true"
            android:background="@drawable/color_circle_gradient"
            android:elevation="6dp"
            android:padding="16dp"
            app:srcCompat="@drawable/ic_play_arrow_white_24dp" />

    </RelativeLayout>

    <FrameLayout
        android:id="@+id/volume_fragment_container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0">

        <fragment
            android:id="@+id/volume_fragment"
            android:name="code.name.monkey.retromusic.ui.fragments.VolumeFragment"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            tools:layout="@layout/fragment_volume" />
    </FrameLayout>
</LinearLayout>