KTC/app/src/main/res/layout/activity_wall_post.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=".ui.activities.WallPostActivity">

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/app_bar"
        android:layout_width="match_parent"
        android:layout_height="256dp"
        android:fitsSystemWindows="true"
        android:theme="@style/Theme.KTC.AppBarOverlay">

        <com.google.android.material.appbar.CollapsingToolbarLayout
            android:id="@+id/toolbar_layout"
            style="@style/Widget.MaterialComponents.Toolbar.Primary"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            app:contentScrim="?android:statusBarColor"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            app:toolbarId="@+id/toolbar">

            <ImageView
                android:id="@+id/toolbar_image"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:fitsSystemWindows="true"
                app:layout_collapseMode="parallax"
                tools:ignore="ContentDescription,ImageContrastCheck" />

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?actionBarSize"
                app:layout_collapseMode="pin"
                app:popupTheme="@style/Theme.KTC.PopupOverlay" />

            <ImageView
                android:id="@+id/album_back_button"
                android:layout_width="54dp"
                android:layout_height="48dp"
                app:layout_collapseMode="pin"
                app:srcCompat="@drawable/ic_angle_circle_left"
                app:tint="?android:textColorPrimary"
                tools:tint="?android:textColorPrimary"
                tools:ignore="ContentDescription" />

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

    <include
        android:id="@+id/content"
        layout="@layout/activity_wall_post_content"
        android:background="?cardBackgroundColor" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>