Repositories

index.js

// add this
const refreshing = networkStatus === NetworkStatus.refetch
// prevent the loading indicator from appearing while refreshing
 if (loading && repositories.length === 0 && !refreshing)
   return (
     <View style={styles.loading}>
       <ActivityIndicator size="large" color="rgb(0, 122, 255)" />
     </View>
   )


// then add proper props to flatlist

<FlatList
  ...
  onRefresh={refetch}
  refreshing={refreshing} // to display the pull refresh indicator
  />