React Navigation - How to pass data across different screens in TabNavigator?

Question

I have a TabNavigator, and in each tab is a StackNavigator. Inside the StackNavigator, I have screens. The screens in each Tab do not call each other directly; the TabNaviga

Answer 1

It may seem that this.props.navigation.state.params is only able to old one parameter? Possibly? Try this:

    doIt = () => {
    this.props.navigation.setParams({results: 'one'});   // <--- set data when user clicks button.
  }


console.log(this.props.navigation.state.params.results);