How do I exit/shut down a React Native app?

Question

If my React Native app fails to connect to its backend, I show an Alert with an OK button. If this happens, there\'s no point in the app continuing to run, so I\'d like to s

Answer 1

This is how I've achieved it:

  componentWillMount() {
    BackHandler.addEventListener('hardwareBackPress', this.handleBackButtonClick);
  }
  componentWillUnmount() {
    BackHandler.removeEventListener('hardwareBackPress', this.handleBackButtonClick);
  }
  handleBackButtonClick() {
    BackHandler.exitApp();
    return true;
  }