screen-show

class FirstPage extends React.Component {
 constructor(props) {
 super(props);
 this.state = {data: [{}],};
 this.setData = this.setData.bind(this);
 }
 componentDidMount() {
 const dataRequestTimer = Config.DataRequestTimer;
 this.setData();
 this.timerID = setInterval(
 () => this.setData(),
 dataRequestTimer
 );
 }
 componentWillUnMount() {
 clearInterval(this.timerID)
 }
 setData() {
 getToken().then((responseData) => {
 console.log(responseData.token);
 fetch(ScreenProperties.firstPageUrl + '?token=' + responseData.token, {
 method: 'GET'
 }).then((response) => {
 return response.json();
 }).then((responseData) => {
 console.log(responseData.objects);
 this.setState({
 data: responseData.objects
 });
 }).catch(erro => {
 console.log("Oh Erro ", erro);
 })
 }).catch(erro => {
 console.log("Oh Erro ", erro);
 });
 }
 render() {
 const {data} = this.state;
 return (
 <div>
 {data}
 </div>
 );
 }
}
export default withStyles(styles)(FirstPage);