Quelle  notice_report_spam.xml

<?xml version="1.0" encoding="utf-8"?>
<merge xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <com.google.android.material.card.MaterialCardView
        android:id="@+id/notice_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="8dp"
        android:layout_marginTop="@dimen/notice_views_vertical_margin"
        android:layout_marginRight="8dp"
        android:layout_marginBottom="@dimen/notice_views_vertical_margin"
        android:clickable="false"
        android:orientation="vertical"
        android:outlineProvider="none"
        android:visibility="visible"
        app:cardBackgroundColor="?attr/colorSurfaceContainerHighest"
        app:cardCornerRadius="@dimen/cardview_border_radius"
        app:cardElevation="@dimen/notice_views_elevation"
        app:contentPaddingBottom="12dp"
        app:contentPaddingLeft="16dp"
        app:contentPaddingRight="8dp"
        app:contentPaddingTop="12dp"
        app:strokeWidth="0dp">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <TextView
                android:id="@+id/text_report_spam"
                style="@style/Threema.TextAppearance.BodyLarge"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginRight="4dp"
                android:text="@string/spam_first_contact"
                android:textColor="?attr/colorOnSurface"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@+id/button_report_spam"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <com.google.android.material.button.MaterialButton
                android:id="@+id/button_report_spam"
                style="@style/Threema.MaterialButton.Action"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/spam_report"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

        </androidx.constraintlayout.widget.ConstraintLayout>

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