state-management | 易学教程

how to use Redux with createSwitchNavigator?

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问题 I am trying to use switch navigator with redux. following is my code. import { createSwitchNavigator, createStackNavigator } from 'react-navigation'; import LoginScreen from '../screens/LoginScreen'; import EmployeeListScreen from '../screens/EmployeeListScreen'; import DetailsView from '../screens/EmployeeDetailViewScreen'; import EmployeeForm from '../screens/EmployeeForm'; import AuthLoadingScreen from "../screens/AuthLoadingScreen.js"; import {connect } from "react-redux"; import {

How to store UserState and ConversationState in Azure Cosmos DB (BotFramework)?

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问题 I'm doing a bot with de Microsoft Bot Framework version V4. The documentation is really awful, and I'm having problems with Cosmos DB (Azure) when I try to store de UserSate and the ConversationState. I tried every result in Google but nothing has worked yet. Plus, there no much information about the framework really. Bellow is the code of the file Startup.cs. public void ConfigureServices(IServiceCollection services) { services.AddBot<SeguritoBot>(options => { var secretKey = Configuration

How do I maintain react-redux state?

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问题 With react-redux all the data is contained in the store. How can I maintain the state that is stored in our store when, for example, opening multiple child tabs from a parent page or after a page refresh? 回答1: The redux-localstorage-simple package does what you require. It is a redux middleware component that will automatically serialize redux state to local storage and restore that state, as redux initial-data, on startup. The package also supports namespaces for the redux state trees it

Why use InheritedWidget while we can use Broadcast Streams | StreamBuilder and Static Variables [closed]

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问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed last year . Why use InheritedWidget while we can use Broadcast Streams | StreamBuilder and Static Variables? Why should we bother about redux, scoped model, etc. while we can have a simple and clean architecture? 回答1: Streams/Sink definitely are excellent to store a state. There are some

How to Handle UI State in Redux/React - Redux-UI?

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I am researching into what is the best way to store the UI state, Should I use something like Redux-UI ( https://github.com/tonyhb/redux-ui ) to store/manage the UI state? or should I create my own actions/reducers for the UI? Also... when I have stored the UI state, how do I make sure if the browser is refreshed, I still have exactly the same state of the page? Just as a normal web page would including Data taken from the server. I have Redux with thunk middle wear implemented and a store. I have worked with React for the past couple of months thus far. Thanks! Quinton Our team has spent some

Flutter State Management Examples

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问题 In a complex app, sometimes a Global Variable 'attached' to a widget, can be changed by some 'EXTERNAL EVENT' such as (1) A timer that run in another thread, or (2) socket.io server emit event (3) Others ...... Let's call this global variable gintCount and the app has 3 pages, namely: Page 1: A 'Dynamic' page that need to display the latest value of gintCount. Page 2: Another 'Dynamic' page that need to display the latest value of gintCount, with a Text Input Field. Page 3: A 'Static' page

Ember outlet bound to StateManager doesn't render after changing state twice

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问题 I've setup a State Manager for tracking user login state, based on this answer here: Change Navbar based on login state However, I'd like to take it to the next step and have not only the navbar update according to the state, but the main template itself. I've gotten this mostly working so that when you click on the login button it will show you the 'welcome you're now logged in message.' However, if you logout and try to login again, it just shows a blank screen as if it is not correctly re

Ember outlet bound to StateManager doesn't render after changing state twice

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I've setup a State Manager for tracking user login state, based on this answer here: Change Navbar based on login state However, I'd like to take it to the next step and have not only the navbar update according to the state, but the main template itself. I've gotten this mostly working so that when you click on the login button it will show you the 'welcome you're now logged in message.' However, if you logout and try to login again, it just shows a blank screen as if it is not correctly re-rendering the index route. Here's a JSFiddle with my issue. Notice what happens when you click on login

Backbone.js state management / view initialization based on url fragment

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问题 I'm trying to keep track of the state in this app using Backbone.js: I have a "ChartAppModel" with a set of defaults: ChartAppModel = Backbone.Model.extend({ defaults: { countries : [], selectedCountries : [], year : 1970, }, initialize: function() { loadAbunchOfData(); checkStartState(); } }); If given a start fragment, this default state should however be overwritten: var startState = $.deparam.fragment(); //using Ben Alman's BBQ plugin this.set({selectedCountries: startState.s, year:

Backbone.js state management / view initialization based on url fragment

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I'm trying to keep track of the state in this app using Backbone.js: I have a "ChartAppModel" with a set of defaults: ChartAppModel = Backbone.Model.extend({ defaults: { countries : [], selectedCountries : [], year : 1970, }, initialize: function() { loadAbunchOfData(); checkStartState(); } }); If given a start fragment, this default state should however be overwritten: var startState = $.deparam.fragment(); //using Ben Alman's BBQ plugin this.set({selectedCountries: startState.s, year: startState.y}); Now, for example the SidebarView is ready to be updated: ChartAppViewSidebar = Backbone.View