showing results for - "how to detect onend reach of scrollview in react native"
Esther
29 Mar 2016
1import React from 'react';
2import {ScrollView, Text} from 'react-native';
3
4const isCloseToBottom = ({layoutMeasurement, contentOffset, contentSize}) => {
5  const paddingToBottom = 20;
6  return layoutMeasurement.height + contentOffset.y >=
7    contentSize.height - paddingToBottom;
8};
9
10const MyCoolScrollViewComponent = ({enableSomeButton}) => (
11  <ScrollView
12    onScroll={({nativeEvent}) => {
13      if (isCloseToBottom(nativeEvent)) {
14        enableSomeButton();
15      }
16    }}
17    scrollEventThrottle={400}
18  >
19    <Text>Here is very long lorem ipsum or something...</Text>
20  </ScrollView>
21);
22
23export default MyCoolScrollViewComponent;
24
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