React-Native 列表不滚动

Question

问题是 ListView 不滚动。我尝试了很多样式，但我找不到方法。我使用 React-Native 0.39.2 。我在安卓设备上试过

    /**     * Sample React Native App     * https://github.com/facebook/react-native     * @flow     */
import React, { Component } from 'react';
import {
  AppRegistry,
  StyleSheet,
  Text,
  View, TextInput
} from 'react-native';
//import MapView from 'react-native-maps';
import { Button,CheckBox} from 'react-native-elements'
import { List, ListItem } from 'react-native-elements'



export default class Kpss extends Component {
    constructor(props) {
        super(props);

    }
  render() {
      const list = [
          {
              name: 'Amy Farha',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/ladylexy/128.jpg',
              subtitle: 'Vice President'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          }, {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },

          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },
          {
              name: 'Chris Jackson',
              avatar_url: 'https://s3.amazonaws.com/uifaces/faces/twitter/adhamdannaway/128.jpg',
              subtitle: 'Vice Chairman'
          },


      ];
    return (
        <View style = {styles.maincontainer}>
          <List>
              {
                  list.map((l, i) => (
                      <ListItem 
                          roundAvatar
                          avatar={{uri:l.avatar_url}}
                          key={i}
                          title={l.name}
                      />
                  ))
              }
          </List>
        </View>
    );
  }
}

const styles = StyleSheet.create({
    maincontainer: {
        backgroundColor: 'red',
        paddingTop:20,
        paddingBottom:0,
        flex:1

    },



});

AppRegistry.registerComponent('Kpss', () => Kpss);

</pre>

Answer 1

您必须将 List 包装在 ScrollView 中以启用滚动:

import { ScrollView } from 'react-native';

...

<View style={{flex: 1}}>
  <ScrollView>
    <List>
      ...
    </List>
  </ScrollView>
</View>