PushNotificationIOS Cannot read property 'requestPermissions' of undefined

[qingfeng]

What is the reason? thanks....

[qingfeng]

class indexContent extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      tabIndex: 1,
    };
  }

  componentWillMount() {
    PushNotificationIOS.addEventListener('notification', this._onNotification);
  }

  componentWillUnmount() {
    PushNotificationIOS.removeEventListener('notification', this._onNotification);
  }


  render() {
    PushNotificationIOS.requestPermissions();
    return (
      <TabBarIOS>
        <TabBarIOS.Item
    .......

[qingfeng]

Resolved. . .

look please, The document did not write

[lazywei]

thanks .... this should be added into document ...........

[ohadperry]

@qingfeng your answer is not clear, what should be added and from where should I add it ?
thanks