Refresh previous screen on goBack()

Question

I am new to React Native. How can we refresh/reload previous screen when returning to it by calling goBack()?

Lets say we have 3 screens A, B, C:

<

Answer 1

For react-navigation 5.x use

5.x

use

componentDidMount() {
        this.startData();

        this.focusListener = this.props.navigation.addListener('focus', () => {
            this.startData();
            //Put your Data loading function here instead of my this.LoadData()
        });
}