Conversations/res/layout/cert_warning.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="8dp">

    <TextView
        android:id="@+id/hint"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="18sp"/>
    
     <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#FFe92727"
        android:textStyle="bold"
        android:textSize="18sp"
        android:text="Do not connect unless you know exactly what you are doing"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"/>
     
     <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="18sp"
        android:text="The SHA1 fingerprint is:" />

    <TextView
        android:layout_gravity="center_horizontal"
        android:paddingTop="8dp"
        android:paddingBottom="8dp"
        android:id="@+id/sha"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:typeface="monospace"
        android:textStyle="bold"
        android:textSize="20sp"/>

</LinearLayout>