How to Invoke onRightButtonPress Function Within NavigatorIOS Component in React Native

In my react-native NavigatorIOS app, I am trying to use the onRightButton feature. I want to call a function from the component I am pushing, but I can't figure out how to do it. Here's an example of my code:

this.props.navigator.push({
  component: SingleResultView,
  title: "SomeTitle",
  rightButtonIcon: require('image!mapsmarker'),
  passProps: {
    userPosition: this.props.userPosition
  },
  onRightButtonPress: () => { SingleResultView.foo(); } // NOT WORKING!
});

Any ideas on how to make this work?

javascriptiosfunctionreact-nativenavigator

Answer №1

Don't underestimate the power of the ref callback prop! https://facebook.github.io/react/docs/more-about-refs.html#the-ref-callback-attribute

  navigateToResults() {
    this.props.navigator.push({
      component: SingleResultView,
      title: "SomeTitle",
      rightButtonIcon: require('image!mapsmarker'),
      passProps: {
        userPosition: this.props.userPosition,
        ref: this.onResultsRef,
      },
      onRightButtonPress: () => { this._resultsView && this._resultsView.foo(); }
    });
  }

  onResultsRef(resultsViewRef) {
    this._resultsView = resultsViewRef;
  }

Answer №2

SingleResultView is not currently instantiated, therefore its methods cannot be accessed.

You can achieve the desired functionality with this code snippet:

this.props.navigator.push({
  onRightButtonPress: SingleResultView.prototype.foo
});

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