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

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:viewBindingIgnore="true"
    android:id="@+id/conversation_requesting_banner"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/signal_background_tertiary"
        android:gravity="center"
        android:paddingStart="16dp"
        android:paddingTop="8dp"
        android:paddingEnd="16dp"
        android:paddingBottom="8dp"
        android:text="@string/ConversationActivity_your_request_to_join_has_been_sent_to_the_group_admin"
        android:textColor="@color/signal_text_secondary" />

    <com.google.android.material.button.MaterialButton
        android:id="@+id/conversation_cancel_request"
        style="@style/Signal.Widget.Button.Large.Tonal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="16dp"
        android:text="@string/ConversationActivity_cancel_request" />

</LinearLayout>