PlayerAndroid/app/src/main/res/layout/fragment_folder.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:id="@+id/main_fragment_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:elevation="0dp"
        tools:ignore="UnusedAttribute">

        <include layout="@layout/status_bar" />

    </FrameLayout>

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:id="@+id/coordinator_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1">


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

            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:layout_scrollFlags="scroll|enterAlways">

                <androidx.appcompat.widget.Toolbar
                    android:id="@+id/toolbar"
                    style="@style/Toolbar48"
                    android:layout_gravity="center_vertical"
                    app:layout_collapseMode="pin"
                    tools:ignore="UnusedAttribute">

                    <code.name.monkey.appthemehelper.common.views.ATEPrimaryTextView
                        android:id="@+id/title"
                        style="@style/BigTitleTextAppearanceToolbar"
                        android:text="@string/folders" />

                </androidx.appcompat.widget.Toolbar>

                <ViewStub
                    android:id="@+id/cab_stub"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent" />
            </FrameLayout>
        </com.google.android.material.appbar.AppBarLayout>

        <FrameLayout
            android:id="@+id/container"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">

            <com.simplecityapps.recyclerview_fastscroll.views.FastScrollRecyclerView
                android:id="@+id/recycler_view"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:clipToPadding="false"
                android:layoutAnimation="@anim/layout_animation_fall_down"
                android:scrollbars="none" />

            <TextView
                android:id="@android:id/empty"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:text="@string/empty"
                android:textColor="?android:textColorSecondary"
                android:textSize="@dimen/empty_text_size" />

        </FrameLayout>

    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="?dividerColor" />

    <code.name.monkey.retromusic.views.BreadCrumbLayout
        android:id="@+id/bread_crumbs"
        android:layout_width="match_parent"
        android:layout_height="@dimen/tab_height"
        android:layout_weight="0"
        android:elevation="6dp"
        android:paddingStart="60dp"
        android:paddingEnd="8dp" />
</LinearLayout>