import  {ChartsViewController} from 'react-native-charts-view-controller';

class App extends Component {
 constructor(props) {
   super(props);
   this.state = {
   };
 }

 render() {
   return (
     <ChartsViewController data={[]}>
     </ChartsViewController>
   );
 }
}

Data-Format

"data": [{
        "type": "BarChart",
        "chartData": {
	        ...chartProps
        }
    }, {
        "type": "PieChart",
        "chartData": {
            ...chartProps
        }
    }]

About ChartProps You can see this