Redux-persist 立即崩溃

Question

我正在尝试将持久性添加到我已经在我的 React Native 应用程序中工作的 Redux 状态管理，遵循@Filipe Borges （redux + react-redux + redux-persist）的建议.我想要的只是用户创建的列表项（以及我存储在 Redux 中的列表项）在应用程序重新启动后应该可用。

我已经根据 redux-persist github README 添加了似乎是必需的代码，但是 当我尝试启动我的应用程序时，它要么立即崩溃（仅几秒钟后空白屏幕），或者给我一个神秘的错误 message/stacktrace 告诉我 "Cannot Add a child that doesn't have a YogaNode to a parent with out a measure function" 的堆栈跟踪仅包含 library/core React Native 代码（意思是我不真的知道去哪里看）。

澄清一下，在添加 redux-persist 之前，redux 和 react-redux 工作得非常好。

这是我的 store.js 的样子：

import { createStore, applyMiddleware } from "redux";
import { persistStore, persistReducer } from "redux-persist";
import storage from "redux-persist/lib/storage";
import logger from "redux-logger";

import reducers from "./reducers";

// configure middleware
let middleware = [];
if (process.env.NODE_ENV === "development") {
    middleware.push(logger);
}

// configure persistance
const persistConfig = {
    key: "root",
    storage: storage,
};
const persistedReducers = persistReducer(persistConfig, reducers);

export default function configureStore() {

    // finalize store setup
    let store = createStore(persistedReducers, applyMiddleware(...middleware));
    let persistor = persistStore(store);
    return { store, persistor };
}

和我的 App.js:

import React, { Component } from 'react';
import Expo from "expo";

import Navigator from "./app/config/routes";

// store and state management
import { Provider } from "react-redux";
import configureStore from "./app/redux/store";
let { store, persistor } = configureStore();
import { PersistGate } from "redux-persist/lib/integration/react";

export default class App extends Component {
constructor() {
    super();
    Expo.ScreenOrientation.allow(Expo.ScreenOrientation.Orientation.PORTRAIT_UP);
}

render() {
        return (
            <Provider store={store}>
                <PersistGate loading="loading..." persistor={persistor}>
                    <Navigator />
                </PersistGate>
            </Provider>
        );
    }
}

关于我的环境的注释；我的应用程序是一个独立的 Expo 应用程序：

"dependencies": {
    "expo": "^24.0.0",
    "react": "16.0.0",
    "react-native": "https://github.com/expo/react-native/archive/sdk-24.0.0.tar.gz",
    "react-navigation": "^1.0.0-beta.21",
    "react-redux": "^5.0.6",
    "redux": "^3.7.2",
    "redux-logger": "^3.0.6",
    "redux-persist": "^5.4.0",
    ...etc, some more unrelated packages
  }

运行 Android 7，在 MacOS High Sierra 中开发。

提前感谢您的帮助！

Answer 1

这是由于 "loading..." 组件没有 < View > 和 <文本>，尝试添加wrap或创建加载组件，问题将得到解决。

<PersistGate loading={<View><Text>Loading...</Text></View>} persistor={persistor}>
      <Navigator />
</PersistGate>

Redux-persist 立即崩溃

Redux-persist crashing immediately

persistence

react-native

redux

react-redux

redux-persist