FairEmail/app/src/main/res/layout/include_message_navigation.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"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bnvActions"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="3dp"
        android:background="?attr/colorSeparator"
        app:itemIconTint="@color/bottomnav_foreground"
        app:itemTextColor="@color/bottomnav_foreground"
        app:labelVisibilityMode="labeled"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:menu="@menu/action_message" />

    <ImageButton
        android:id="@+id/ibDecrypt"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="3dp"
        android:layout_marginEnd="6dp"
        android:contentDescription="@string/title_decrypt"
        android:src="@drawable/baseline_no_encryption_24"
        android:tint="@color/bottomnav_foreground"
        app:layout_constraintEnd_toStartOf="@+id/ibImages"
        app:layout_constraintTop_toBottomOf="@id/bnvActions" />

    <ImageButton
        android:id="@+id/ibImages"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="3dp"
        android:layout_marginEnd="6dp"
        android:contentDescription="@string/title_legend_show_images"
        android:src="@drawable/baseline_image_24"
        android:tint="@color/bottomnav_foreground"
        app:layout_constraintEnd_toStartOf="@+id/ibFull"
        app:layout_constraintTop_toBottomOf="@id/bnvActions" />

    <ImageButton
        android:id="@+id/ibFull"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="3dp"
        android:contentDescription="@string/title_legend_show_full"
        android:src="@drawable/baseline_fullscreen_24"
        android:tint="@color/bottomnav_foreground"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@id/bnvActions" />
</androidx.constraintlayout.widget.ConstraintLayout>