```
<!--xml-->
<com.example.funneteaseindicator.FNI
android:id="@+id/fni"
android:layout_marginTop="2dp"
android:layout_marginBottom="2dp"
android:layout_width="300dp"
app:radius_round="24dp"
app:title_color="@android:color/holo_red_light"
app:selected_title_color="@android:color/white"
android:layout_height="45dp"/>
//Java
viewPager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener{
override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {
fni.onPagerScrolling(position,positionOffset)
}
override fun onPageScrollStateChanged(state: Int) {
}
override fun onPageSelected(position: Int) {
}
})
```