如何在React Native中实现按钮点击时重新导航至路由并完全刷新页面（含视频通话Rejoin场景）

Alright, let's break down how to solve both of your React Native navigation and screen refresh needs—these are really common use cases, especially for video call applications!

If you're using React Navigation v6 (the most widely used navigation library for React Native), the key here is to ensure the target screen fully re-mounts (not just re-renders) so all initialization logic (like data fetching, state setup) runs again. Here are two reliable approaches:

1. Reset the navigation stack (cleanest for full refresh) #

This replaces the entire navigation stack with just your target screen, forcing it to re-mount completely:

import { Button } from 'react-native';
import { useNavigation } from '@react-navigation/native';

function YourSourceScreen() {
  const navigation = useNavigation();

  const navigateAndRefresh = () => {
    // Replace "TargetScreen" with your actual route name
    navigation.reset({
      index: 0,
      routes: [{ name: 'TargetScreen' }],
    });
  };

  return <Button title="Go to Target Screen (Full Refresh)" onPress={navigateAndRefresh} />;
}

2. Replace the route with a unique key #

If you don't want to reset the entire stack, you can generate a unique key for the target route to trigger a re-mount:

const navigateAndRefresh = () => {
  // Use a timestamp to create a unique key each time
  navigation.replace('TargetScreen', undefined, {
    key: `TargetScreen-${Date.now()}`,
  });
};

For video call rejoin functionality, you need to either fully reset the current screen or re-initialize the call logic. Here are the best options:

1. Reset current route to re-mount the screen #

This will completely re-initialize the video call screen, running all setup logic again:

import { Button } from 'react-native';
import { useNavigation, useRoute } from '@react-navigation/native';

function VideoCallScreen() {
  const navigation = useNavigation();
  const route = useRoute();

  const handleRejoin = () => {
    // Reset the stack to only include the current route, preserving its params
    navigation.reset({
      index: 0,
      routes: [{ name: route.name, params: route.params }],
    });
  };

  return <Button title="Rejoin Call" onPress={handleRejoin} />;
}

2. Trigger re-initialization with state (no full re-mount) #

If you don't need to re-mount the entire component but just want to restart the call logic, use a state toggle to trigger your rejoin code:

import { useState, useEffect } from 'react';
import { Button } from 'react-native';

function VideoCallScreen() {
  const [triggerRejoin, setTriggerRejoin] = useState(false);

  useEffect(() => {
    if (triggerRejoin) {
      // Place your rejoin logic here: disconnect old call, re-establish connection, etc.
      console.log('Reconnecting to video call...');
      // Reset the state to avoid repeated triggers
      setTriggerRejoin(false);
    }
  }, [triggerRejoin]);

  const handleRejoin = () => {
    setTriggerRejoin(true);
  };

  return <Button title="Rejoin Call" onPress={handleRejoin} />;
}

3. Replace current route with a unique key #

Similar to the first demand, you can replace the current route with a new unique key to force a re-mount:

const handleRejoin = () => {
  navigation.replace(route.name, route.params, {
    key: `${route.name}-${Date.now()}`,
  });
};

内容的提问来源于stack exchange，提问作者Arslan