Signal-Android/app/src/main/res/layout/share_activity.xml

<?xml version="1.0" encoding="utf-8"?>

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

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:minHeight="?attr/actionBarSize"
        android:theme="?attr/actionBarStyle"
        app:layout_constraintTop_toTopOf="parent">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentStart="true"
                android:layout_centerVertical="true"
                android:layout_toStartOf="@+id/search_action"
                android:text="@string/ShareActivity_share_with"
                android:textColor="@color/signal_text_primary"
                android:textSize="20sp" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/search_action"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentEnd="true"
                android:layout_centerVertical="true"
                android:tint="@color/signal_icon_tint_primary"
                app:srcCompat="@drawable/ic_search_24" />

        </RelativeLayout>

    </androidx.appcompat.widget.Toolbar>

    <FrameLayout
        android:id="@+id/contact_selection_list_fragment"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_below="@id/toolbar"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toBottomOf="@id/toolbar" />

    <org.thoughtcrime.securesms.components.SearchToolbar
        android:id="@+id/search_toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:elevation="4dp"
        android:visibility="invisible"
        app:layout_constraintTop_toTopOf="parent"
        tools:visibility="invisible" />

    <View
        android:id="@+id/divider"
        android:layout_width="match_parent"
        android:layout_height="2dp"
        android:alpha="0"
        android:background="@drawable/compose_divider_background"
        android:translationY="48dp"
        app:layout_constraintBottom_toTopOf="@id/selected_list" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/selected_list"
        android:layout_width="0dp"
        android:layout_height="44dp"
        android:layout_marginEnd="16dp"
        android:alpha="0"
        android:background="@color/signal_background_primary"
        android:clipToPadding="false"
        android:orientation="horizontal"
        android:paddingStart="16dp"
        android:paddingEnd="78dp"
        android:translationY="48dp"
        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        tools:listitem="@layout/share_contact_selection_item" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/share_confirm"
        android:layout_width="56dp"
        android:layout_height="56dp"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="16dp"
        android:contentDescription="@string/ShareActivity__share"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:srcCompat="@drawable/ic_continue_24" />

</androidx.constraintlayout.widget.ConstraintLayout>