Quelle  popup_paint_selection.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:background="@android:color/transparent"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <androidx.cardview.widget.CardView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="@dimen/emoji_popup_cardview_margin_bottom"
        android:layout_marginTop="@dimen/emoji_popup_cardview_margin_top"
        android:layout_marginLeft="@dimen/emoji_popup_cardview_margin_horizontal"
        android:layout_marginRight="@dimen/emoji_popup_cardview_margin_horizontal"
        app:cardCornerRadius="6dp"
        app:cardElevation="4dp">

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="8dp"
            android:orientation="horizontal">

            <ImageView
                android:id="@+id/remove_paint"
                android:layout_width="@dimen/reaction_popup_emoji_size"
                android:layout_height="@dimen/reaction_popup_emoji_size"
                android:padding="@dimen/reaction_popup_content_margin"
                android:src="@drawable/ic_delete_outline"
                android:contentDescription="@string/delete"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:clickable="true"
                android:focusable="true"
                app:tint="?attr/colorOnSurface" />

            <View
                android:id="@+id/flip_separator"
                android:layout_width="1dp"
                android:layout_height="match_parent"
                android:layout_marginLeft="@dimen/reaction_popup_content_margin"
                android:layout_marginRight="@dimen/reaction_popup_content_margin"
                android:background="@color/file_picker_divider_color" />

            <ImageView
                android:id="@+id/flip_paint"
                android:layout_width="@dimen/reaction_popup_emoji_size"
                android:layout_height="@dimen/reaction_popup_emoji_size"
                android:padding="@dimen/reaction_popup_content_margin"
                android:src="@drawable/ic_flip_outline"
                android:contentDescription="@string/flip"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:clickable="true"
                android:focusable="true"
                app:tint="?attr/colorOnSurface" />

            <View
                android:id="@+id/bring_to_front_separator"
                android:layout_width="1dp"
                android:layout_height="match_parent"
                android:layout_marginLeft="@dimen/reaction_popup_content_margin"
                android:layout_marginRight="@dimen/reaction_popup_content_margin"
                android:background="@color/file_picker_divider_color" />

            <ImageView
                android:id="@+id/bring_to_front_paint"
                android:layout_width="@dimen/reaction_popup_emoji_size"
                android:layout_height="@dimen/reaction_popup_emoji_size"
                android:padding="@dimen/reaction_popup_content_margin"
                android:src="@drawable/ic_bring_to_front"
                android:contentDescription="@string/to_front"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:clickable="true"
                android:focusable="true"
                app:tint="?attr/colorOnSurface" />

            <View
                android:id="@+id/color_separator"
                android:layout_width="1dp"
                android:layout_height="match_parent"
                android:layout_marginLeft="@dimen/reaction_popup_content_margin"
                android:layout_marginRight="@dimen/reaction_popup_content_margin"
                android:background="@color/file_picker_divider_color" />

            <ImageView
                android:id="@+id/color_paint"
                android:layout_width="@dimen/reaction_popup_emoji_size"
                android:layout_height="@dimen/reaction_popup_emoji_size"
                android:padding="@dimen/reaction_popup_content_margin"
                android:src="@drawable/ic_color_lens_24px"
                android:contentDescription="@string/palette"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:clickable="true"
                android:focusable="true"
                app:tint="?attr/colorOnSurface" />

        </LinearLayout>

    </androidx.cardview.widget.CardView>

</FrameLayout>