如何获取当前导航状态 react-navigation V4 React-Native

如何解决如何获取当前导航状态 react-navigation V4 React-Native

我正在使用来自 https://reactnavigation.org/docs/**4.x**/screen-tracking 的 React Navigation 的 Stack Navigator，但这仅适用于 onNavigationStateChange。最初，当应用程序启动时，我想获取屏幕名称/当前组件名称

import { createAppContainer,createStackNavigator } from 'react-navigation';

function getActiveRouteName(navigationState) {
  if (!navigationState) {
    return null;
  }
  const route = navigationState.routes[navigationState.index];
  if (route.routes) {
    return getActiveRouteName(route);
  }
  return route.routeName;
}

const AppNavigator = createStackNavigator(AppRouteConfigs);
const AppContainer = createAppContainer(AppNavigator);
export default class App extends React.Component {
  componentDidMount() {
       /********Getting the initial route name here**********/
  }
  render() {
    return (
  <AppContainer
        onNavigationStateChange={(prevstate,currentState,action) => {
          const currentRouteName = getActiveRouteName(currentState);
          const prevIoUsRouteName = getActiveRouteName(prevstate);

          if (prevIoUsRouteName !== currentRouteName) {
            console.log('Current Component is - ' + currentRouteName);
          }
        }}
      />
    );
  }
}

有人可以帮助在 4.x 版的初始启动中获取当前屏幕或组件名称