Debugging won't work: Try reloading the JS from inside the app, or Reconnect the VS Code debugger:

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Couldn't import script at <http://localhost:8081/index.bundle?platform=android&dev=true&minify=false>. Debugging won't work: Try reloading the JS from inside the app, or Reconnect the VS Code debugger: {"originModulePath":"d:\\rnworkspace\\navigatest\\node_modules\\react-native\\Libraries\\react-native\\react-native-implementation.js","targetModuleName":"AccessibilityInfo","message":"Unable to resolve module `AccessibilityInfo` from `d:\\rnworkspace\\navigatest\\node_modules\\react-native\\Libraries\\react-native\\react-native-implementation.js`: Module `AccessibilityInfo` does not exist in the Haste module map\n\n
This might be related to https://github.com/facebook/react-native/issues/4968\nTo resolve try the following:\n 
1. Clear watchman watches: `watchman watch-del-all`.\n
 2. Delete the `node_modules` folder: `rm -rf node_modules && npm install`.\n 
3. Reset Metro Bundler cache: `rm -rf /tmp/metro-bundler-cache-*` or `npm start -- --reset-cache`. 
4. Remove haste cache: `rm -rf /tmp/haste-map-react-native-packager-*`.","errors":[{"description":"Unable to resolve module `AccessibilityInfo` from `d:\\rnworkspace\\navigatest\\node_modules\\react-native\\Libraries\\react-native\\react-native-implementation.js`: Module `AccessibilityInfo` does not exist in the Haste module map\n\nThis might be related to https://github.com/facebook/react-native/issues/4968\nTo resolve try the following:\n 1. Clear watchman watches: `watchman watch-del-all`.\n 2. Delete the `node_modules` f[...]

 最近创建react-native工程总是碰到这问题，这坑。

解决：https://blog.csdn.net/jinmie0193/article/details/81171029