Tela de detalhe de partidas com Toolbar personalizada e uso do componente RatingBar.

activity_detail.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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:fitsSystemWindows="true"
    tools:context=".DetailActivity">

    <!-- Adding an image to the prominent top app bar:
         Reference: https://material.io/components/app-bars-top/android#regular-top-app-bar -->

    <com.google.android.material.appbar.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="@dimen/app_bar_height"
        android:fitsSystemWindows="true">

        <com.google.android.material.appbar.CollapsingToolbarLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:collapsedTitleTextAppearance="@style/TextAppearance.App.CollapsingToolbar.Collapsed"
            app:expandedTitleTextAppearance="@style/TextAppearance.App.CollapsingToolbar.Expanded">

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/ivPlace"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                android:scaleType="centerCrop" />

            <com.google.android.material.appbar.MaterialToolbar
                android:id="@+id/toolbar"
                style="@style/Widget.MaterialComponents.Toolbar.Primary"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="@android:color/transparent"
                android:elevation="0dp" />

        </com.google.android.material.appbar.CollapsingToolbarLayout>

    </com.google.android.material.appbar.AppBarLayout>

    <androidx.core.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fillViewport="true"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/ivHomeTeam"
                android:layout_width="@dimen/team_image_size"
                android:layout_height="@dimen/team_image_size"
                android:layout_marginStart="@dimen/margin_default"
                android:layout_marginTop="@dimen/margin_default"
                android:contentDescription="@string/cd_home_team"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/tvDescription"
                tools:srcCompat="@tools:sample/avatars" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/tvDescription"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginStart="@dimen/margin_default"
                android:layout_marginTop="@dimen/margin_default"
                android:layout_marginEnd="@dimen/margin_default"
                android:gravity="center"
                android:textAppearance="@style/TextAppearance.AppCompat.Medium"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                tools:text="Match Description" />

            <androidx.appcompat.widget.AppCompatRatingBar
                android:id="@+id/rbHomeTeamStars"
                style="@style/Widget.AppCompat.RatingBar.Small"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/margin_default"
                app:layout_constraintEnd_toEndOf="@+id/ivHomeTeam"
                app:layout_constraintStart_toStartOf="@+id/ivHomeTeam"
                app:layout_constraintTop_toBottomOf="@+id/ivHomeTeam" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/tvHomeTeamName"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/margin_default"
                android:textAppearance="@style/TextAppearance.AppCompat.Medium"
                app:layout_constraintEnd_toEndOf="@+id/ivHomeTeam"
                app:layout_constraintStart_toStartOf="@+id/ivHomeTeam"
                app:layout_constraintTop_toBottomOf="@+id/rbHomeTeamStars"
                tools:text="Home Team" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/tvHomeTeamScore"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:textAppearance="@style/TextAppearance.AppCompat.Large"
                app:layout_constraintBottom_toBottomOf="@+id/ivHomeTeam"
                app:layout_constraintEnd_toStartOf="@+id/tvVersus"
                app:layout_constraintStart_toEndOf="@+id/ivHomeTeam"
                app:layout_constraintTop_toTopOf="@+id/ivHomeTeam"
                tools:text="99" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/tvVersus"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:text="@string/txt_versus"
                app:layout_constraintBottom_toBottomOf="@+id/ivHomeTeam"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="@+id/ivHomeTeam" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/ivAwayTeam"
                android:layout_width="@dimen/team_image_size"
                android:layout_height="@dimen/team_image_size"
                android:layout_marginTop="@dimen/margin_default"
                android:layout_marginEnd="@dimen/margin_default"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/tvDescription"
                tools:srcCompat="@tools:sample/avatars" />

            <androidx.appcompat.widget.AppCompatRatingBar
                android:id="@+id/rbAwayTeamStars"
                style="@style/Widget.AppCompat.RatingBar.Small"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/margin_default"
                app:layout_constraintEnd_toEndOf="@+id/ivAwayTeam"
                app:layout_constraintStart_toStartOf="@+id/ivAwayTeam"
                app:layout_constraintTop_toBottomOf="@+id/ivAwayTeam" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/tvAwayTeamName"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="@dimen/margin_default"
                android:textAppearance="@style/TextAppearance.AppCompat.Medium"
                app:layout_constraintEnd_toEndOf="@+id/ivAwayTeam"
                app:layout_constraintStart_toStartOf="@+id/ivAwayTeam"
                app:layout_constraintTop_toBottomOf="@+id/rbAwayTeamStars"
                tools:text="Away Team" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/tvAwayTeamScore"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:textAppearance="@style/TextAppearance.AppCompat.Large"
                app:layout_constraintBottom_toBottomOf="@+id/ivAwayTeam"
                app:layout_constraintEnd_toStartOf="@+id/ivAwayTeam"
                app:layout_constraintStart_toEndOf="@+id/tvVersus"
                app:layout_constraintTop_toTopOf="@+id/ivAwayTeam"
                tools:text="99" />
        </androidx.constraintlayout.widget.ConstraintLayout>
    </androidx.core.widget.NestedScrollView>

</androidx.coordinatorlayout.widget.CoordinatorLayout>