done icon drawable rendering issue

[roshan1895]

I used stpi_doneIconDrawable for setting custom done icon image but this cause rendering issue .I used both format of drawable ,Vector drawable and png image, in which vector drawable is rendering over indicator but it cause positioning issues with done icon but png image is not rendering.
please fix it.

    <com.badoualy.stepperindicator.StepperIndicator
        android:id="@+id/indicator"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:stpi_indicatorColor="#fff"
        app:stpi_lineDoneColor="#fff"
        app:stpi_circleColor="#d3d3d3"
        app:stpi_lineColor="#d3d3d3"
        app:stpi_showDoneIcon="true"
        app:stpi_showStepNumberInstead="true"
        app:stpi_doneIconDrawable="@drawable/ic_check"//png image


        app:stpi_stepCount="3" />