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在expo react native這個產品中，有4篇Facebook貼文，粉絲數超過5萬的網紅軟體開發學習資訊分享，也在其Facebook貼文中提到， --課程已於 2020 年 9 月更新-- 這堂課會教你使用 React Native 開發出目前許多 App 常用的操作模式，例如透過使用者的手機號碼發出認證碼登入(使用 Twilio API )，和透過 Facebook OAuth 認證登入，支援 iOS/Android 跨平台的地圖元件做定...

expo react native 在 軟體開發學習資訊分享 Facebook 的最佳貼文

軟體開發學習資訊分享 By 軟體開發學習資訊分享

2020-09-08 09:44:15 有 4 人按讚
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--課程已於 2020 年 9 月更新--

這堂課會教你使用 React Native 開發出目前許多 App 常用的操作模式，例如透過使用者的手機號碼發出認證碼登入(使用 Twilio API )，和透過 Facebook OAuth 認證登入，支援 iOS/Android 跨平台的地圖元件做定位，UI 動畫，Push notification，後端使用 Firebase 與 Google Cloud 做商業邏輯還有當網路斷線時的離線瀏覽，最後講師 Stephen 會帶你使用這些進階技術做出一個 Location-base 的求職 App
從這 16.5 小時的課程，你會學到
1. 使用React Native的專家級功能製作引人注目的應用程式
2. 創造令人驚訝流暢和高效的動畫
3. 使用 Expo 建立新的 React Native 應用程式
4. 理解新的 React Native 應用程式最新的瀏覽( Navigation )選項
5. 使用 Google Cloud 功能將邏輯添加到 Firebase 後端
6. 使用跨平台推送通知給你的用戶更新訊息
7. 使用 Redux Persist 處理當使用者處於離線狀態
>英文字幕：有
https://softnshare.com/react-native-advanced/

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軟體開發學習資訊分享

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軟體開發相關技術、新鮮事、知識分享
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expo react native 在 軟體開發學習資訊分享 Facebook 的最讚貼文

軟體開發學習資訊分享 By 軟體開發學習資訊分享

2020-08-23 21:15:40 有 2 人按讚
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--課程已於 2020 年 8 月更新--

這堂課會教你使用 React Native 開發出目前許多 App 常用的操作模式，例如透過使用者的手機號碼發出認證碼登入(使用 Twilio API )，和透過 Facebook OAuth 認證登入，支援 iOS/Android 跨平台的地圖元件做定位，UI 動畫，Push notification，後端使用 Firebase 與 Google Cloud 做商業邏輯還有當網路斷線時的離線瀏覽，最後講師 Stephen 會帶你使用這些進階技術做出一個 Location-base 的求職 App

從這 16.5 小時的課程，你會學到

1. 使用React Native的專家級功能製作引人注目的應用程式

2. 創造令人驚訝流暢和高效的動畫

3. 使用 Expo 建立新的 React Native 應用程式

4. 理解新的 React Native 應用程式最新的瀏覽( Navigation )選項

5. 使用 Google Cloud 功能將邏輯添加到 Firebase 後端

6. 使用跨平台推送通知給你的用戶更新訊息

7. 使用 Redux Persist 處理當使用者處於離線狀態

>英文字幕：有

https://softnshare.com/react-native-advanced/

Tags:
軟體開發學習資訊分享

About author
軟體開發相關技術、新鮮事、知識分享
45687 followers 43369 likes "https://softnshare.com/"
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expo react native 在 Taipei Ethereum Meetup Facebook 的最佳解答

Taipei Ethereum Meetup By Taipei Ethereum Meetup

2018-10-23 18:22:26 有 5 人按讚
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📜 [專欄新文章] Solidity Weekly #16
✍️ mingderwang
📥 歡迎投稿： https://medium.com/taipei-ethereum-meetup #徵技術分享文 #使用心得 #教學文 #medium

Expo (React Native) + web3.js 1.0.x 開發手機 dApps

今天要介紹如何利用 Expo，來撰寫手機 dApp。基本上，如果想做到去中心化的 dApp，期望能將 Javascript app 能盡可能的包裹成單一檔案，用去中心化檔案儲存空間，讓手機或網頁直接下載來執行。手機版的 App，也可用 Expo 做到類似的結果，但目前 Expo 還是有點中心化；當然利用 cipherbrowser 或 status.im 等方式開發也行，只要你不怕被 vendor lock-in。

Expo 是一種 MIT license 的開放源始碼，讓 React Native 開發與部屬更為簡單，讓用戶只要先下載 iOS 或 Android 的 Expo clients。就很容易透過 exp://xxx 的 URI 來執行。因為 React Native 跟 web3.js 都是用 Javascript 語言，因此很容易整合。(註：web3.js 也不是唯一連區塊鏈的方法，只是搭配 Remix，能產生 web3 程式片段，所以比較方便)

但由於 React Native 非 100% 與 node.js 相容，因此有些 workarounds 要做，例如 node 內建 standard library 裡的 crypto (註 2)，Buffer 等 React Native 就沒有，所以這裏還不是很方便。(喜歡 truffle 的人，也可參考 react-native-box 來做，但也還沒很成熟)

Mobile dApp 有個問題是，你(用戶)沒有 localhost 自己的 node 當成 web3 provider 可以連線到 Ethereum 區塊鏈。所以有幾種選擇，最簡單的就是要再相信某一個 node，這裡用 infura (與 Metamask 同一家公司)，也許還要搭配其他方法，讓這 dApp 不要依賴任何 server 也能運作。但如果要用到 HDWallet，還是要用 truffle-hdwallet-provider 來當 web3 provider，也能同時避開沒有 crypto 的問題。
使用 Expo 開發畫面
註 1：直接用 React Native 開發，不容易除錯，且速度慢。所以建議程式邏輯可以考慮用 React Native for Web 在 CodeSandbox.io 先做開發和測試，最後再搬到 Expo 的 React Native 裡。(或直接在 codesandbox.io 開發 Expo 程式也行)

CodeSandbox

註 2：例如當在 Expo 的環境裡使用到 web3.eth.accounts.create() 時，會出現以下 error，但其他地方(Condsandbox)不會。

解決方法，不要用 web3 provider 改用 truffle-hdwallet-provider (在 React Native 裡要用 Promise.promisifyAll 繞過問題)

var HDWalletProvider = require("truffle-hdwallet-provider"); var mnemonic = "manage velvet tide tube object spin identify neither foot together wagon tip"; var hd = new HDWalletProvider(mnemonic, "https://mainnet.infura.io/"); web3 = new Web3(hd); Promise.promisifyAll(web3.eth); let accounts = await web3.eth.getAccountsAsync();

Solidity Weekly #16 was originally published in Taipei Ethereum Meetup on Medium, where people are continuing the conversation by highlighting and responding to this story.

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expo react native 在 Getting Started · React Native Paper - Open Source - Callstack 的推薦與評價

If you use Expo, you don't need to install vector icons. But if you have a babel.config.js or .babelrc file, make sure that it includes babel-preset-expo ... ... <看更多>

expo react native 在 React Native Expo Plugin for Nx - GitHub 的推薦與評價

Create an app. npx nx g nx-react-native-expo:app <app-name>. ... <看更多>

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OnlineWebFonts. In this video , we will learn how to use custom fonts into your react native projectsource code: https://github. Looking for LT Expo font?

#87. Expo push notification icon

Leomaris really loves learning new things! You can follow Sending Push Notifications is not a trivial thing but using Expo React Native app, it is quite ...

#88. Expo Sdk 31 - Mork Media Design Logo blasses orange (2)

Expo also provides online playground for react native apps, in which you can write code for your apps and check in both iOS and Android devices. Ask questions ...

#89. Expo error opening simulator check metro logs for details

react-native run-ios. In this article, I will list 5 errors that we as developers faced, while creating a mobile app in React Native (using Expo) and how we ...

#90. React native stock app - daveswebpage.net

React Native apps are written using different structures like JSX, HTML/XML, etc. Expo is an interface that takes care of a lot of headaches that come with ...

#91. React native emoji feedback - Allfast Systems

React Native Emoji Board is a customizable component similar to native ... React Native and Expo Jul 20, 2021 Cross-platform shadow for React Native Jul 19, ...

#92. Expo Push Notifications Example - catweb-webdesign.de

android ios react-native expo. JS script that scans the schedule. Sephora offers one more example of timely push notifications. How Expo handles push ...

#93. React Fonts Not Loading - Area Gelb

Steps to use custom fonts in React Native (iOS)#. ... Expo is a great platform for new comers to React Native and for building fast prototypes without ...

#94. Expo run on ios device

With the help of React Native, an Android emulator, and Mac OS deployment machines, you can build an application for iOS devices on Windows PC. js and run this ...

#95. Expo Start Clear Cache - Roofrestorationbunbury.com

npm install -g expo-cli. Create a new React Native app by running; expo init react-native-firebase For the template, choose the Managed Workflow ...

#96. React native image onclick

You've learned how to add an image picker to an app managed by Expo SDK. If you'd like to explore more interesting stuff in React Native then take a look at ...

#97. React Native Cookbook: Recipes for solving common React ...

If we open up the project in an IDE and look at the folder structure of this pure React Native app, we'll see a few slight differences from the Expo ...