layout.xml

<fr.castorflex.android.smoothprogressbar.SmoothProgressBar
            xmlns:android="http://schemas.android.com/apk/res/android"
            xmlns:app="http://schemas.android.com/apk/res-auto"
            android:id="@+id/progressBar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:indeterminate="true"
            android:visibility="gone"
            app:spb_color="#A7606A"
            app:spb_mirror_mode="false"
            app:spb_progressiveStart_activated="true"
            app:spb_progressiveStart_speed="1.5"
            app:spb_progressiveStop_speed="3.4"
            app:spb_reversed="false"
            app:spb_sections_count="4"
            app:spb_speed="3"
            app:spb_stroke_separator_length="3dp"
            app:spb_stroke_width="3dp" />