prism/android/app/src/main/res/layout/activity_detail.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true"
        tools:context=".ui.DetailActivity"
>
    <include
        android:id="@+id/app_bar_drawer"
        layout="@layout/app_bar_drawer"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/detail_content_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/detail_activity_background"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

    <androidx.recyclerview.widget.RecyclerView
            style="@style/CardViewBackground"
            android:id="@+id/detail_notification_list_container"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:visibility="gone"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toTopOf="@id/detail_message_bar"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            android:clickable="true"
            android:focusable="true"
            android:paddingTop="5dp"
            android:paddingBottom="5dp"
            android:clipToPadding="false"
            android:background="?android:attr/selectableItemBackground"
            app:layoutManager="LinearLayoutManager"/>

    <LinearLayout
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/detail_no_notifications"
            app:layout_constraintBottom_toTopOf="@id/detail_message_bar"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent">
        <ImageView
                android:layout_width="match_parent"
                android:layout_height="wrap_content" app:srcCompat="@drawable/ic_sms_gray_48dp"
                android:id="@+id/detail_no_notifications_image"/>
        <TextView
                android:id="@+id/detail_no_notifications_text"
                android:text="@string/detail_no_notifications_text"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textAppearance="@style/TextAppearance.AppCompat.Medium"
                android:padding="10dp" android:gravity="center_horizontal"
                android:paddingStart="50dp" android:paddingEnd="50dp"/>
        <TextView
                android:text="@string/detail_how_to_intro"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/detail_how_to_intro"
                android:layout_marginTop="20dp"
                android:layout_marginStart="50dp"
                android:layout_marginEnd="50dp"/>
        <TextView
                android:text="@string/detail_how_to_example"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/detail_how_to_example"
                android:layout_marginTop="7dp"
                android:layout_marginStart="50dp"
                android:layout_marginEnd="50dp"/>
        <TextView
                android:text="@string/detail_how_to_link"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="@+id/detail_how_to_link"
                android:layout_marginTop="7dp"
                android:layout_marginStart="50dp"
                android:layout_marginEnd="50dp"
                android:linksClickable="true"
                android:autoLink="web"/>
    </LinearLayout>

    <include
        android:id="@+id/detail_message_bar"
        layout="@layout/view_message_bar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toEndOf="parent"/>

    </androidx.constraintlayout.widget.ConstraintLayout>

    <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/detail_fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="24dp"
            android:contentDescription="@string/detail_fab_publish_description"
            android:src="@drawable/ic_create_white_24dp"
            android:visibility="gone"
            app:layout_anchor="@id/detail_content_layout"
            app:layout_anchorGravity="bottom|end"
            style="@style/FloatingActionButton"/>

</androidx.coordinatorlayout.widget.CoordinatorLayout>