autobots-lib/lib/global-event/global-event.js

汽车人基础库

'use strict';

import React,{Component} from 'react';
import ReactNative from 'react-native';

const {

  View,
  Text,
  Platform,
  DeviceEventEmitter,
} = ReactNative;


class Me extends Component {
  constructor (props) {
    super(props);
  }

  componentWillMount() {
    var that = this;

    function cb_android(e:Event)
    {
      try
      {
        
        let received = JSON.parse(e.result);
        if(received && received.needRefresh)
        {
            that.props.onNeedRefresh();
        }
      }catch(e)
      {
        console.log(e);
      }
    }

    function cb_ios(p)
    {
      try
      {
        let received = JSON.parse(p);
        if(received && received.needRefresh)
        {
            that.props.onNeedRefresh();
        }
      }catch(e)
      {
          console.log(e);
      }
    }

    if(Platform.OS==='android')
      {
        this.sinListener = DeviceEventEmitter.addListener("event_custom_message_back",cb_android);
      }else {
        this.sinListener = DeviceEventEmitter.addListener("event_custom_message_back",cb_ios);
      }

  }

  componentWillUnmount() {

    if(this.sinListener!=null)
    {
      this.sinListener.remove();
      this.sinListener = null;
    }


  }

  render() {
      return(<View/>);
  }

}

module.exports = Me;