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

<?xml version="1.0" encoding="utf-8"?>

<merge
    xmlns:android="http://schemas.android.com/apk/res/android"
    tools:viewBindingIgnore="true"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

  <com.google.android.material.card.MaterialCardView
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:layout_margin="8dp"
      android:clipChildren="false"
      android:clipToPadding="false"
      app:cardBackgroundColor="@color/megaphone_background_color"
      app:cardCornerRadius="8dp"
      app:cardElevation="6dp"
      app:cardPreventCornerOverlap="false"
      app:cardUseCompatPadding="true"
      app:contentPadding="0dp">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/signal_background_secondary"
        android:clickable="true"
        android:paddingBottom="16dp">

      <com.airbnb.lottie.LottieAnimationView
          android:id="@+id/popup_megaphone_image"
          android:layout_width="64dp"
          android:layout_height="64dp"
          android:layout_marginStart="16dp"
          android:layout_marginTop="16dp"
          android:scaleType="centerInside"
          app:layout_constraintStart_toStartOf="parent"
          app:layout_constraintTop_toTopOf="parent"
          tools:src="@tools:sample/avatars" />

      <org.thoughtcrime.securesms.components.emoji.EmojiTextView
          android:id="@+id/popup_megaphone_title"
          style="@style/Signal.Text.Body"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:layout_marginStart="12dp"
          android:fontFamily="sans-serif-medium"
          app:layout_constraintEnd_toStartOf="@id/popup_x"
          app:layout_constraintStart_toEndOf="@id/popup_megaphone_image"
          app:layout_constraintTop_toTopOf="@id/popup_megaphone_image"
          tools:text="Avengers HQ Destroyed!" />

      <org.thoughtcrime.securesms.components.emoji.EmojiTextView
          android:id="@+id/popup_megaphone_body"
          style="@style/Signal.Text.Preview"
          android:layout_width="0dp"
          android:layout_height="wrap_content"
          android:textColor="@color/megaphone_body_text_color"
          app:layout_constraintEnd_toStartOf="@id/popup_x"
          app:layout_constraintStart_toStartOf="@id/popup_megaphone_title"
          app:layout_constraintTop_toBottomOf="@id/popup_megaphone_title"
          tools:text="Where was the 'hero' Spider-Man during the battle?" />

      <ImageView
          android:id="@+id/popup_x"
          android:layout_width="48dp"
          android:layout_height="48dp"
          android:paddingStart="12.5dp"
          android:paddingTop="14dp"
          android:paddingEnd="15.5dp"
          android:paddingBottom="14dp"
          app:layout_constraintEnd_toEndOf="parent"
          app:layout_constraintTop_toTopOf="parent"
          app:srcCompat="@drawable/ic_x_20" />

    </androidx.constraintlayout.widget.ConstraintLayout>

  </com.google.android.material.card.MaterialCardView>

</merge>