`componentDidMount()` function is not called after navigation

Question

I am using stackNavigator for navigating between screens. I am calling two API\'s in componentDidMount() function in my second activity. When i loa

Answer 1

//na pagina que você quer voltar
import {NavigationEvents} from 'react-navigation';

async atualizarEstado() {
  this.props.navigation.setParams({
  number: await AsyncStorage.getItem('count'),
});}

render() {
return (
  
     this.atualizarEstado()} />
  
);
}