PlayerAndroid/app/src/main/res/layout/activity_donation.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:id="@+id/root"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/appBarLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:elevation="0dp"
        app:elevation="0dp">

        <com.google.android.material.appbar.CollapsingToolbarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:titleEnabled="false">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                style="@style/Toolbar"
                app:layout_collapseMode="pin"
                app:title=""
                tools:ignore="UnusedAttribute">

                <TextView
                    android:id="@+id/bannerTitle"
                    style="@style/BigTitleTextAppearance"
                    android:text="@string/support_development" />

            </androidx.appcompat.widget.Toolbar>
        </com.google.android.material.appbar.CollapsingToolbarLayout>

        <View
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:background="?dividerColor" />
    </com.google.android.material.appbar.AppBarLayout>

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

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <androidx.appcompat.widget.AppCompatTextView
                android:id="@+id/donation"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:padding="16dp"
                android:text="@string/donation_header"
                android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
                android:textColor="?attr/colorAccent" />

            <LinearLayout
                android:id="@+id/progressContainer"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="end|center_vertical"
                android:orientation="horizontal"
                android:padding="12dp">

                <ProgressBar
                    android:id="@+id/progress"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:indeterminate="true" />

                <androidx.appcompat.widget.AppCompatTextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:gravity="start"
                    android:paddingLeft="16dp"
                    android:text="@string/loading_products"
                    android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
                    tools:ignore="RtlHardcoded,RtlSymmetry" />

            </LinearLayout>

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/recyclerView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:paddingStart="6dp"
                android:paddingEnd="6dp"
                android:scrollbarStyle="outsideOverlay" />

            <com.google.android.material.card.MaterialCardView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:cardCornerRadius="8dp"
                app:cardUseCompatPadding="true">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center_horizontal"
                    android:orientation="vertical">

                    <code.name.monkey.appthemehelper.common.views.ATEPrimaryTextView
                        style="@style/SubTitleTextAppearance"
                        android:text="@string/paypal"
                        tools:ignore="MissingPrefix" />

                    <code.name.monkey.appthemehelper.common.views.ATESecondaryTextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingStart="16dp"
                        android:paddingEnd="16dp"
                        android:text="@string/paypal_summary"
                        android:textColor="@color/md_white_1000" />

                    <com.google.android.material.button.MaterialButton
                        android:id="@+id/donate"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_gravity="end"
                        android:layout_margin="8dp"
                        android:text="@string/donate"
                        android:textAllCaps="false" />

                </LinearLayout>
            </com.google.android.material.card.MaterialCardView>
        </LinearLayout>
    </androidx.core.widget.NestedScrollView>

    <Button
        android:id="@+id/google_pay"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:text="Google Pay"
        android:visibility="gone" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>