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

<?xml version="1.0" encoding="utf-8"?>
<com.google.android.material.button.MaterialButton xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:viewBindingIgnore="true"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/button"
    style="@style/Signal.Widget.Button.Large.Secondary"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginStart="@dimen/dsl_settings_gutter"
    android:layout_marginEnd="@dimen/dsl_settings_gutter"
    app:iconGravity="textEnd"
    tools:text="Secondary button" />