Get thumb view of android listView

try {
    Field f;
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
        f = AbsListView.class.getDeclaredField("mFastScroll");
    } else {
        f = AbsListView.class.getDeclaredField("mFastScroller");
    }
    
    Object o = f.get(getListView());
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
        f = f.getType().getDeclaredField("mThumbImage");
        thumbView = (View) f.get(o);
    } else {
        f = f.getType().getDeclaredField("mThumbDrawable");
        thumbView = (View) f.get(o);
    }
} catch (Exception ignored) {
    String ig = ignored.getMessage();
}