ListView

More complex list, Internal implementation dependent RecyclerView.

Install

$ npm install rax-listview --save

Import

import ListView from 'rax-listview';

Props

| name | type | default | describe | | :-------------------- | :------- | :--- | :------------------------------------ | | renderRow | Function | | template method (necessary) | | dataSource | List | '' | data that needs to be rendered, Use with renderRow (necessary) | | onEndReached | Function | | scroll to bottom trigger event | | onEndReachedThreshold | Number | 500 | distance of bottom place | | onScroll | Function | | event triggered when scrolling | | renderHeader | Function | | render list header | | renderFooter | Function | | render list footer | | renderScrollComponent | Function | | render scroll component in list |

Function

| name | param | return | describe | | :------- | :----- | :--- | :------------------- | | scrollTo | Object | / | param example：{x:0} or {y:100} |

Basic example

Must pass params： renderRow、 dataSource、 onEndReached

• renderRow: templates for each row
• dataSource: data that needs to be rendered
• onEndReached: callback for triggering bottom of list

// demo
import {createElement, Component, render} from 'rax';
import View from 'rax-view';
import Text from 'rax-text';
import Image from 'rax-image';
import Link from 'rax-link';
import TextInput from 'rax-textinput';
import Button from 'rax-button';
import Switch from 'rax-switch';
import Video from 'rax-video';
import ScrollView from 'rax-scrollview';
import ListView from 'rax-listview';
import Touchable from 'rax-touchable';


let listData = [
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
    {name1: 'tom'}, {name1: 'tom'}, {name1: 'tom'},
];

class ListViewDemo extends Component {

  constructor(props) {
    super(props);
    this.state = {
      index: 0,
      data: listData
    };
  }
  listHeader = () => {
    return (
      <View style={styles.title}>
        <Text style={styles.text}>列表头部</Text>
      </View>
    );
  }
  listLoading = () => {
    if (this.state.index < 4) {
      return (
        <View style={styles.loading}>
          <Text style={styles.text}>loading...</Text>
        </View>
      );
    } else {
      return null;
    }
  }
  listItem = (item, index) => {
    if (index % 2 == 0) {
      return (
        <View style={styles.item1}>
          <Text style={styles.text}>{item.name1}</Text>
        </View>
      );
    } else {
      return (
        <View style={styles.item2}>
          <Text style={styles.text}>{item.name1}</Text>
        </View>
      );
    }
  }
  handleLoadMore = () => {
    setTimeout(() => {
      this.state.index++;
      if (this.state.index < 5) {
        this.state.data.push(
          {name1: 'loadmore 2'},
          {name1: 'loadmore 3'},
          {name1: 'loadmore 4'},
          {name1: 'loadmore 5'},
          {name1: 'loadmore 2'},
          {name1: 'loadmore 3'},
          {name1: 'loadmore 4'},
          {name1: 'loadmore 5'}
        );
      }
      this.setState(this.state);
    }, 1000);
  }

  render() {
    return (
      <View style={styles.container}>
      <ListView
        renderHeader={this.listHeader}
        renderFooter={this.listLoading}
        renderRow={this.listItem}
        dataSource={this.state.data}
        onEndReached={this.handleLoadMore}
      />
      </View>
    );
  }

};

const styles = {
  container: {
    padding: 20,
    borderStyle: 'solid',
    borderColor: '#dddddd',
    borderWidth: 1,
    marginLeft: 20,
    marginRight: 20,
    marginBottom: 10,
    flex: 1
  },
  title: {
    margin: 50
  },
  text: {
    fontSize: 28,
    color: '#000000',
    fontSize: 28,
    padding: 40
  },
  item1: {
    height: 110,
    backgroundColor: '#909090',
    marginBottom: 3
  },
  item2: {
    height: 110,
    backgroundColor: '#e0e0e0',
    marginBottom: 3
  },
  loading: {
    padding: 50,
    textAlign: 'center',
  }
};

render(<ListViewDemo />);

ListView with fixed module

// demo
import {createElement, Component, render} from 'rax';
import ListView from 'rax-listview';
import View from 'rax-view';
import Text from 'rax-text';

class Block extends Component {
  constructor(props) {
    super(props);
    this.state = {
      data: [{key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}, {key: 'tom'}, {key: 'jeck'}, 
             {key: 'tom'}, {key: 'jeck'}]
    };
  }
  listItem = (item) => {
    return <Text>{item.key}</Text>; 
  }
  handleLoadMore = () => {
    setTimeout(() => {
      this.setState({
        data: [...this.state.data, { key: 'new data' }]
      }); 
    }, 3000);
  }
  render() {
    return <View style={{width: 750, height: 500}}>
      <View style={{backgroundColor: 'red'}}>header module</View>
      <ListView
        renderRow={this.listItem} 
        dataSource={this.state.data}
        onEndReached={this.handleLoadMore}
      ></ListView>
    </View>
  }
}
render(<Block />);