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

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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"
    android:gravity="center_vertical"
    android:orientation="vertical"
    android:paddingBottom="8dp"
    tools:ignore="MissingPrefix">

    <RelativeLayout
        android:id="@+id/progressContainer"
        android:layout_width="match_parent"
        android:layout_height="@dimen/progress_container_height"
        android:background="@color/twenty_percent_black_overlay"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <com.google.android.material.textview.MaterialTextView
            android:id="@+id/songCurrentProgress"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentLeft="true"
            android:gravity="center_vertical|left|end"
            android:paddingLeft="8dp"
            android:singleLine="true"
            android:textColor="?colorOnSecondary"
            android:textSize="12sp"
            tools:ignore="RtlHardcoded,RtlSymmetry"
            tools:text="@tools:sample/date/hhmmss" />

        <com.google.android.material.textview.MaterialTextView
            android:id="@+id/songTotalTime"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentRight="true"
            android:gravity="center_vertical|right|end"
            android:paddingRight="8dp"
            android:singleLine="true"
            android:textColor="?colorOnSecondary"
            android:textSize="12sp"
            tools:ignore="RtlHardcoded,RtlSymmetry"
            tools:text="@tools:sample/date/hhmmss" />

        <androidx.appcompat.widget.AppCompatSeekBar
            android:id="@+id/progressSlider"
            style="@style/MusicProgressSlider"
            android:layout_height="match_parent"
            android:layout_toLeftOf="@id/songTotalTime"
            android:layout_toRightOf="@id/songCurrentProgress"
            tools:ignore="RtlHardcoded,UnusedAttribute" />

    </RelativeLayout>


    <androidx.appcompat.widget.AppCompatImageButton
        android:id="@+id/repeatButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/roundSelector"
        android:padding="16dp"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="@+id/previousButton"
        app:layout_constraintEnd_toStartOf="@+id/previousButton"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/previousButton"
        app:srcCompat="@drawable/ic_repeat"
        tools:ignore="MissingPrefix"
        tools:tint="@color/md_black_1000" />

    <androidx.appcompat.widget.AppCompatImageButton
        android:id="@+id/previousButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/roundSelector"
        android:padding="16dp"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="@+id/playPauseButton"
        app:layout_constraintEnd_toStartOf="@+id/playPauseButton"
        app:layout_constraintStart_toEndOf="@+id/repeatButton"
        app:layout_constraintTop_toTopOf="@+id/playPauseButton"
        app:srcCompat="@drawable/ic_skip_previous"
        tools:ignore="MissingPrefix"
        tools:tint="@color/md_black_1000" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/playPauseButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:layout_marginBottom="16dp"
        android:background="?attr/roundSelector"
        app:layout_constraintBottom_toTopOf="@+id/songInfo"
        app:layout_constraintEnd_toStartOf="@+id/nextButton"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/previousButton"
        app:layout_constraintTop_toBottomOf="@+id/progressContainer"
        app:srcCompat="@drawable/ic_pause"
        tools:tint="@color/md_black_1000" />

    <androidx.appcompat.widget.AppCompatImageButton
        android:id="@+id/nextButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/roundSelector"
        android:padding="16dp"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="@+id/playPauseButton"
        app:layout_constraintEnd_toStartOf="@+id/shuffleButton"
        app:layout_constraintStart_toEndOf="@+id/playPauseButton"
        app:layout_constraintTop_toTopOf="@+id/playPauseButton"
        app:srcCompat="@drawable/ic_skip_next"
        tools:ignore="MissingPrefix"
        tools:tint="@color/md_black_1000" />

    <androidx.appcompat.widget.AppCompatImageButton
        android:id="@+id/shuffleButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="?attr/roundSelector"
        android:padding="16dp"
        android:scaleType="fitCenter"
        app:layout_constraintBottom_toBottomOf="@+id/nextButton"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/nextButton"
        app:layout_constraintTop_toTopOf="@+id/nextButton"
        app:srcCompat="@drawable/ic_shuffle"
        tools:ignore="MissingPrefix"
        tools:tint="@color/md_black_1000" />

    <com.google.android.material.textview.MaterialTextView
        android:id="@+id/songInfo"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:ellipsize="end"
        android:gravity="center"
        android:maxLines="2"
        android:paddingHorizontal="16dp"
        android:textColor="?android:attr/textColorSecondary"
        android:textSize="12sp"
        app:layout_constraintBottom_toTopOf="@+id/volumeFragmentContainer"
        app:layout_constraintTop_toBottomOf="@+id/playPauseButton"
        tools:text="@tools:sample/lorem/random" />

    <FrameLayout
        android:id="@+id/volumeFragmentContainer"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0"
        app:layout_constraintBottom_toBottomOf="parent"
        tools:background="@color/md_red_400"
        tools:layout_height="52dp" />
</androidx.constraintlayout.widget.ConstraintLayout>