avh-plan-android/app/src/main/res/layout/app_bar_main.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"
    tools:context=".Main">

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

        <androidx.appcompat.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="@color/background"
            app:popupTheme="@style/AppThemeLight.PopupOverlay"
            app:titleTextColor="@color/accent"
            app:contentInsetStart="0dp"
            app:layout_scrollFlags="scroll|enterAlwaysCollapsed"
            app:layout_collapseMode="pin"
            android:layout_gravity="bottom">

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

                <TextView
                    android:id="@+id/toolbarTxt"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:animateLayoutChanges="true"
                    android:fontFamily="@font/manrope_extrabold"
                    android:layoutAnimation="@anim/layout_animation_fall_down"
                    android:text="@string/app_name"
                    android:textAlignment="center"
                    android:textColor="@color/accent"
                    android:textSize="22sp"
                    android:singleLine="true"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"/>

                <ProgressBar
                    android:id="@+id/progressBar"
                    style="?android:attr/progressBarStyleHorizontal"
                    android:layout_width="0dp"
                    android:layout_height="2dp"
                    android:progressTint="@color/accent"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent"
                    android:animateLayoutChanges="true"
                    android:progressBackgroundTint="@android:color/transparent"/>

                <com.google.android.material.chip.Chip
                    android:id="@+id/chip"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="8dp"
                    android:visibility="gone"
                    app:layout_constraintStart_toStartOf="parent"
                    app:layout_constraintTop_toTopOf="parent"
                    android:elevation="4dp"
                    android:background="@color/lightbackground"
                    android:textColor="@color/textcolor"/>

            </androidx.constraintlayout.widget.ConstraintLayout>

        </androidx.appcompat.widget.Toolbar>

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

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

    <LinearLayout
        android:id="@+id/bottom_sheet_closer"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        android:orientation="vertical"
        android:clickable="true"
        android:focusable="true"/>

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

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:id="@+id/coordination"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        app:layout_anchor="@+id/bottom_sheet"
        android:layout_gravity="top"
        android:clickable="false"
        android:focusable="false"/>

</androidx.coordinatorlayout.widget.CoordinatorLayout>