How to use SwitchIOS in a loop in React Native?

Question

JavaScript

Hello! I am making a mobile application using React Native 0.30.
There is a Report component that receives data through props.

export default class Report extends Component {
    constructor(props) {
      super(props);
      
      this.state = {
        questions : [],
        progress : 0,
        activeSlide : 0
      }
    }

    setActiveSlide(i, inc) {
      let max = this.props.check.questions.length;
      let curr = inc ? i+1 : i-1;
      let progress = curr / max;
      this.setState({
        activeSlide : curr,
        progress : progress
      })
    }

Each slide is rendered with a function:

renderSlide(slide, i) {
      if(this.state.activeSlide == i)
      return(
        <View>
          <Text>{slide.position} / {this.props.check.questions.length}. {slide.title}</Text>
          <SwitchIOS
            onValueChange={(value) => this.setCheck(value, i)}
            value={/*anything*/}
          />
          <View>
            <TouchableHighlight onPress={() => this.setActiveSlide(i)}>
                <Text>Назад</Text>
            </TouchableHighlight>
            <TouchableHighlight onPress={() => this.setActiveSlide(i, true)}>
                <Text>Далее</Text>
            </TouchableHighlight>
          </View>
        </View>
      )
    }

And now I don’t quite understand what to do with SwitchIOS, whether I should write all the marks in a separate state.questions, or should I change the existing data array. If done by adding to state.questions, like this:

setCheck(val, i) {
      this.state.questions.push({index : 1, check : val});
    }

So how do I change the state of the switch? What value to specify? If there are other ways please share.