Quelle  button_search_action.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="32dp"
    android:layout_height="wrap_content"
    android:animateLayoutChanges="true">

    <ImageView
        android:id="@+id/search_button"
        android:layout_width="32dp"
        android:layout_height="?attr/actionBarSize"
        android:layout_gravity="center_vertical"
        android:minWidth="40dp"
        android:minHeight="?attr/actionBarSize"
        android:scaleType="centerInside"
        android:padding="0dp"
        android:clickable="true"
        app:srcCompat="@drawable/ic_keyboard_arrow_down_outline"
        app:tint="?attr/colorOnSurface"
        android:background="?attr/selectableItemBackground"
        android:visibility="invisible">

    </ImageView>

    <com.google.android.material.progressindicator.CircularProgressIndicator
        android:id="@+id/next_progress"
        android:layout_width="32dp"
        android:layout_height="?attr/actionBarSize"
        android:maxHeight="24dp"
        android:maxWidth="24dp"
        android:layout_gravity="left|center_vertical"
        android:gravity="left|center_vertical"
        android:visibility="gone"
        android:indeterminate="true" />

</FrameLayout>