/Javascript/React/React native scrollview detect end

React native scrollview detect end

How to detect onend reach of scrollview in react native

import React from 'react';
import {ScrollView, Text} from 'react-native';

const isCloseToBottom = ({layoutMeasurement, contentOffset, contentSize}) => {
  const paddingToBottom = 20;
  return layoutMeasurement.height + contentOffset.y >=
    contentSize.height - paddingToBottom;
};

const MyCoolScrollViewComponent = ({enableSomeButton}) => (
  <ScrollView
    onScroll={({nativeEvent}) => {
      if (isCloseToBottom(nativeEvent)) {
        enableSomeButton();
      }
    }}
    scrollEventThrottle={400}
  >
    <Text>Here is very long lorem ipsum or something...</Text>
  </ScrollView>
);

export default MyCoolScrollViewComponent;

Source: stackoverflow.com

React native scrollview detect end

import React from 'react';
import {ScrollView, Text} from 'react-native';
    
const isCloseToBottom = ({layoutMeasurement, contentOffset, contentSize}) => {
  const paddingToBottom = 20;
  return layoutMeasurement.height + contentOffset.y >=
    contentSize.height - paddingToBottom;
};
    
const MyCoolScrollViewComponent = ({enableSomeButton}) => (
  <ScrollView
    onScroll={({nativeEvent}) => {
      if (isCloseToBottom(nativeEvent)) {
        enableSomeButton();
      }
    }}
    scrollEventThrottle={400}
  >
    <Text>Here is very long lorem ipsum or something...</Text>
  </ScrollView>
);
    
export default MyCoolScrollViewComponent;

Source: stackoverflow.com

Similar codes

32 votes230 views1 answer
React-router react-router-dom
Javascript React
1 vote259 views2 answers
Export 'Redirect' (imported as 'Redirect') was not found in 'react-router-dom'
Javascript React
24 votes254 views6 answers
Shadow react native
Javascript React
2 votes323 views2 answers
Past value from parent in reactjs
Javascript React
0 vote243 views1 answer
Get element ref react
Javascript React
4 votes255 views1 answer
React useeffect not on first render
Javascript React
0 vote263 views3 answers
React native version
Javascript React
3 votes245 views1 answer
InnerWidth react
Javascript React
0 vote236 views1 answer
Javascript slider get value react
Javascript React
0 vote245 views1 answer
Library to add navigation in react native
Javascript React