PlayerAndroid/app/src/main/res/layout/fragment_plain_controls_fragment.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">

    <com.google.android.material.textview.MaterialTextView
        android:id="@+id/songCurrentProgress"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:gravity="center"
        android:minWidth="40dp"
        android:singleLine="true"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintBottom_toBottomOf="@+id/progressSlider"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/progressSlider"
        tools:ignore="RtlHardcoded,RtlSymmetry"
        tools:text="@tools:sample/date/hhmmss" />

    <androidx.appcompat.widget.AppCompatSeekBar
        android:id="@+id/progressSlider"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:maxHeight="2dp"
        android:progressDrawable="@drawable/color_progress_seek"
        app:layout_constraintBottom_toTopOf="@+id/playPauseButton"
        app:layout_constraintEnd_toStartOf="@id/songTotalTime"
        app:layout_constraintStart_toEndOf="@id/songCurrentProgress"
        app:layout_constraintTop_toTopOf="parent"
        tools:ignore="RtlHardcoded,UnusedAttribute"
        tools:progress="20" />

    <com.google.android.material.textview.MaterialTextView
        android:id="@+id/songTotalTime"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="16dp"
        android:gravity="center"
        android:minWidth="40dp"
        android:singleLine="true"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintBottom_toBottomOf="@+id/progressSlider"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@+id/progressSlider"
        tools:ignore="RtlHardcoded,RtlSymmetry"
        tools:text="@tools:sample/date/hhmmss" />

    <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"
        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"
        app:layout_constraintBottom_toBottomOf="@+id/playPauseButton"
        app:layout_constraintEnd_toStartOf="@+id/playPauseButton"
        app:layout_constraintHorizontal_bias="0.5"
        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:padding="16dp"
        app:layout_constraintBottom_toTopOf="@+id/volumeFragmentContainer"
        app:layout_constraintEnd_toStartOf="@+id/nextButton"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/previousButton"
        app:layout_constraintTop_toBottomOf="@+id/progressSlider"
        tools:backgroundTint="@color/md_green_500"
        tools:srcCompat="@drawable/ic_play_arrow_white_32dp" />

    <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"
        app:layout_constraintBottom_toBottomOf="@+id/playPauseButton"
        app:layout_constraintEnd_toStartOf="@+id/shuffleButton"
        app:layout_constraintHorizontal_bias="0.5"
        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"
        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" />

    <FrameLayout
        android:id="@+id/volumeFragmentContainer"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="0"
        android:paddingHorizontal="16dp"
        app:layout_constraintBottom_toTopOf="@+id/songInfo"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/playPauseButton"
        tools:backgroundTint="@color/md_red_400"
        tools:layout_height="52dp" />

    <com.google.android.material.textview.MaterialTextView
        android:id="@+id/songInfo"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:ellipsize="end"
        android:gravity="center"
        android:maxLines="1"
        android:paddingHorizontal="16dp"
        android:textColor="?android:attr/textColorSecondary"
        android:textSize="12sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/volumeFragmentContainer"
        tools:text="@tools:sample/lorem/random" />
</androidx.constraintlayout.widget.ConstraintLayout>