import React, { Component } from 'react';
import { AppRegistry, Text, View } from 'react-native';

class Blink extends Component {

    componentDidMount(){
    // Toggle the state every second
        setInterval(() => (
          this.setState(previousState => (
            { isShowingText: !previousState.isShowingText }
          ))
        ), 1000);
     }

    //state object
    state = { isShowingText: true };

  render() {
    if (!this.state.isShowingText) {
      return null;
    }

    return (
      <Text>{this.props.text}</Text>
    );
  }
}

export default class BlinkApp extends Component {
  render() {
    return (
      <View>
        <Blink text='I love to blink' />
        <Blink text='Yes blinking is so great' />
        <Blink text='Why did they ever take this out of HTML' />
        <Blink text='Look at me look at me look at me' />
      </View>
    );
  }
}