CODE EXAMPLE FOR JAVASCRIPT

react-native-page-control

import PageControl from 'react-native-page-control';
 
<PageControl
  style={{position:'absolute', left:0, right:0, bottom:10}}
  numberOfPages={3}
  currentPage={1}
  hidesForSinglePage
  pageIndicatorTintColor='gray'
  currentPageIndicatorTintColor='white'
  indicatorStyle={{borderRadius: 5}}
  currentIndicatorStyle={{borderRadius: 5}}
  indicatorSize={{width:8, height:8}}
  onPageIndicatorPress={this.onItemTap}
/>