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

<?xml version="1.0" encoding="utf-8"?>
<merge 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"
    tools:parentTag="androidx.constraintlayout.widget.ConstraintLayout">

    <View
        android:id="@+id/toolbar_background"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:alpha="0"
        android:background="@color/signal_background_primary"
        app:layout_constraintBottom_toBottomOf="@id/toolbar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/toolbar" />

    <org.thoughtcrime.securesms.util.views.DarkOverflowToolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:minHeight="56dp"
        android:theme="?attr/settingsToolbarStyle"
        app:contentInsetStartWithNavigation="60dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:navigationIcon="@drawable/ic_arrow_left_24">

        <org.thoughtcrime.securesms.components.AvatarImageView
            android:id="@+id/toolbar_avatar"
            android:layout_width="36dp"
            android:layout_height="36dp"
            android:layout_marginEnd="16dp"
            android:alpha="0"
            android:translationY="56dp"
            app:fallbackImageSize="small" />

        <org.thoughtcrime.securesms.components.emoji.EmojiTextView
            android:id="@+id/toolbar_title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:alpha="0"
            android:ellipsize="end"
            android:gravity="center_vertical"
            android:maxLines="1"
            android:textAppearance="@style/Signal.Text.Title"
            android:translationY="56dp"
            tools:text="Miles Morales" />

    </org.thoughtcrime.securesms.util.views.DarkOverflowToolbar>

    <View
        android:id="@+id/toolbar_shadow"
        android:layout_width="match_parent"
        android:layout_height="5dp"
        android:alpha="0"
        android:background="@drawable/toolbar_shadow"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/toolbar" />
</merge>