What is React-Native?
Why React-Native?
How React-Native works in detail?
- Metro bundler
- Main Thread
- Shadow Thread
- Javascript Thread
Yoga Engine
Threads Communication in React-Native
Comparison with Flutter and Native
React-Native Components
React Native is an open source framework for building mobile apps using React and JavaScript. It uses native components and allows building real mobile apps for Android and iOS. It works by using a virtual DOM layer that maps React components to native mobile components using Objective-C and Java APIs. Developers can get started using Expo or React Native CLI. Expo is easier for beginners while CLI allows more customization and third party libraries. Core concepts include components, JSX, state, props, and unidirectional data flow. React Native also includes tools like live reloading and hot reloading for faster development.
Tutorial Videos: https://www.youtube.com/playlist?list=PLD8nQCAhR3tQ7KXnvIk_v_SLK-Fb2y_k_
Day 1 : Introduction to React, Babel and Webpack
Prerequisites of starting the workshop ( Basic understanding of Node & Express )
What is Virtual DOM?
What is React and why should we use it?
Install and set up React:
a-Using create-react-app
b-From scratch using Babel and Webpack. We will use Webpack Dev Server.
Day 2 : React Basic Concepts
Types of Components: Class-based and Functional based Components
Use of JSX
Parent, Child, and Nested Components
Difference between State and Props
Create and Handle Routes
Component Lifecycle Methods
Create a form and handling form inputs
Use of arrow functions and Spread Operator
Day 3: Advanced Concepts in React
Use of Refs
What are Higher Order Components( HOC )?
How to use HOC
Understanding Context in React
React js is a JavaScript library created by Facebook in 2013 for building user interfaces and rendering UI components. It uses a virtual DOM to efficiently update the real DOM and allow building of reusable UI components. React code can be written directly in HTML or using JSX syntax and by setting up a React app with Node.js and NPM. Components are the building blocks of React and can be class or function based. Props and state allow passing data to components and re-rendering components on state changes.
This document provides an overview and introduction to React Native, including:
- What React Native is and the problems it solves like enabling cross-platform development using a single JavaScript codebase.
- The technologies that comprise React Native like ReactJS and how it binds to native platforms.
- Getting started with a basic React Native app and examples of extending it with custom modules.
- An overview of the React Native component library and APIs.
- Recommendations to get familiar with related technologies like JSX, Flow, and Node.js.
- Thoughts on the benefits and challenges of developing with React Native.
How native is React Native? | React Native vs Native App DevelopmentDevathon
As a popular development framework, React Native helps you to develop near-native mobile apps. Find out all the differences between React Native and Native App Development:
https://devathon.com/blog/how-native-is-react-native-vs-native-app-development/
#reactjs #app #tech #software #developer #Mobile
React Native allows developers to build mobile apps using React with native platform capabilities. It uses native components instead of web views, making apps feel and perform like native ones. The document discusses what React Native is, how to set up a development environment, build a basic app, add libraries, handle common errors, and React Native fundamentals like components, styles, layout, events, and touch handling.
Plain React detects changes by re-rendering your whole UI into a virtual DOM and then comparing it to the old version. Whatever changed, gets patched to the real DOM.
This document introduces React Native, a framework for building mobile apps using React. It allows building Android and iOS apps with shared code. React Native uses a virtual DOM for fast rendering. Components manage state and receive data through props. Lifecycle methods handle mounting, updating, and unmounting. Setting up requires Node.js, React Native CLI, and Android Studio or Xcode. Hot reloading, Flexbox layouts, and libraries like Lottie and React Navigation make development easier.
React is a JavaScript library for building user interfaces. It was created by Facebook and is best for building dynamic websites like chat applications. React uses a virtual DOM for efficiently updating the view after data changes. Components are the building blocks of React and can contain state and props. The document provides an example of a simple component class and demonstrates how to add state and props. It also includes links to example code and MicroPyramid's social media profiles.
React Js Basic Details and Descriptions
Frontend Javascript Library, to make decent SPA
The fastest way to build a segregated component based front end for software development.
React js is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It allows creating reusable UI components that can be nested to build complex applications. A React component may maintain internal state and re-render when data changes. React uses a declarative paradigm that makes code more predictable and easier to debug.
To use React, install Node packages and create a new project using create-react-app. Components let you break up the UI into reusable pieces responsible for rendering HTML. Components can be stateful class components or stateless function components. Components can be created using ES6 class syntax or function syntax and can be nested. Choosing between class and function depends on requirements like using
This document contains an agenda and slides for a React workshop presented by Bojan Golubovic. The workshop covers the history and basics of React, including components, JSX, the virtual DOM, and React data flow. It also discusses related tools like Redux and React Router. The goal is to provide basic knowledge of React and how to build real-world applications with it.
ReactJs is a JavaScript library for building user interfaces that uses components and a virtual DOM for efficient updates. It is intended to make development of UI components easy and modular. React implements unidirectional data flow and uses components, a virtual DOM, JSX syntax, and isomorphic rendering to provide a declarative and efficient way to build user interfaces.
Getting started with the reactjs, basics of reactjs, introduction of reactjs, core concepts of reactjs and comparison with the other libraries/frameworks
React is a library for building user interfaces using components. It uses a virtual DOM for rendering components, which are pieces of UI defined as classes or functions. Components receive data via props and local state, and can be nested to build complex UIs. The component lifecycle includes mounting, updating, and unmounting phases. Data flows unidirectionally down the component tree. React has a vibrant ecosystem and community for continued learning.
Introduction to React in combination with Redux. Redux helps you to develop applications in a simple way while having features like time-travel available during development.
This document provides an overview and introduction to React JS. It discusses that React JS is a JavaScript library developed by Facebook for building user interfaces and reusable UI components. It encourages creation of reusable components that present data that changes over time. The document also covers React JS features, architecture, components, best practices, pros and cons, and provides useful links for examples and environment setup.
The document provides an overview of React including its introduction, prerequisites, installation, fundamentals, components, life cycle, routing, hooks, Redux, projects, testing, comparison to Angular, and tips for React developers. It discusses key React concepts such as JSX, props, state, events, DOM, and virtual DOM.
ReactJS is arguably the most popular Javascript framework around for web development today. With more and more teams exploring and adopting React, here is TechTalks presentation elaborating fundamentals of React, in a code along session
- React is a JavaScript library for building user interfaces that uses a virtual DOM for faster re-rendering on state changes.
- Everything in React is a component that can have states, props, and lifecycle methods like render(). Components return JSX elements.
- Props are used for passing data to components in a unidirectional flow, while states allow components to re-render on changes.
- The render() method returns the view, accessing props and state values. Forms and events also follow React conventions.
Create iOS and Android apps in Java with Multi-OS Engine 🌍Matthew Bartos
Worldwide, Android is installed on 66% of mobile devices, while iOS is used by 24% of the global users. That is why most companies focus their app development on both platforms. Having an Android app results in popularity (but not in all countries) and iOS basically means bigger earnings.
React Native allows developers to build native mobile apps using React and JavaScript. It uses the same fundamental design as React, using declarative code and components to build user interfaces. The JavaScript code runs on a separate thread, while native modules handle platform-specific tasks on each device. A bridge facilitates communication between the JS thread and native modules, allowing interfaces built with React to render natively on iOS and Android.
React is an open source library for building user interfaces and mobile apps. React Native allows developers to use React to write and deploy native mobile apps for iOS and Android from the same code base. It uses a virtual DOM for rendering to provide high performance while allowing cross-platform development with shared code for both platforms.
Node.js is a JavaScript runtime environment built on Chrome's V8 JavaScript engine. It allows JavaScript to be used for server-side scripting and is primarily used for real-time web applications and extensive I/O applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient for data-intensive real-time applications that run across distributed devices.
Kiki Ahmadi introduces himself as an ITS student and part-time ERP implementor who will be sharing about Java. The presentation covers what Java is, how it uses a Java Virtual Machine (JVM) to compile source code into bytecode that can run on any operating system, and examines some of Java's advantages like portability, safety, and extensive libraries. The document also provides an overview of Java platforms like Java SE and Java EE and recommends getting started with Java by downloading a JDK, learning through tutorials, using an IDE like Netbeans, and coding.
The document summarizes a presentation given by Craig Dunn on Mono for Android at a Google Developer Group meeting. It discusses how Mono for Android allows developers to build Android applications using C# in MonoDevelop or Visual Studio. It also covers how code can be reused across Android, iOS, and Windows platforms. The presentation included demos of building a simple Android app in C# and examples of cross-platform apps developed with Mono.
ITT 2014 - Niklas Therning - Truly Native Java Apps on iOS with RoboVMIstanbul Tech Talks
RoboVM is a tool that allows developers to write truly native Java applications for iOS. It works by compiling Java bytecode to machine code ahead-of-time using a just-in-time compiler. This allows Java applications to achieve native performance compared to Objective-C. RoboVM also includes runtime classes that mimic common Java classes and supports calling native code using the Java Native Interface. Over 50 applications built with RoboVM are already in the iOS App Store. While still in development, RoboVM aims to provide a full set of bindings for Cocoa Touch APIs and improve tooling support.
React native - under the bridge - react week NYCChen Feldman
At its beginning , React Native was designed to work with a secret sauce - The Bridge.
This bridge promised to be : asynchronous, serializable, and batched.
Sounds amazing right?
So not exactly.
After a couple of years, Facebook and other known companies using React Native in large scale apps, the team decided to change RN architecture.
They call it - "Project Fabric". It suppose to solve all the gaps they found in the last couple of years containing: direct reference between JS and Native side, Lazy loaded native modules and a whole new Lean Core for the library.
If you are excited like me about this change, I will be happy to share with you my knowledge.
Join me on a journey to the future - Project Fabric.
A Microsoft representative will give a presentation about Microsoft technologies including ASP.NET on April 8, 2003 at 5:00 PM in Eberly Auditorium at IUP. The presentation is open to both computer and non-computer majors and will include discussions of existing technologies, an ASP.NET demo, an overview of ASP.NET, ADO.NET, and Web Matrix. Food and drinks will be provided after the presentation along with door prizes.
The session is geared toward CTOs who want to evaluate React-Native for their existing and future apps. It will also be helpful for web/mobile developers who want to jump into React-Native.
React Native? A developer's perspectiveBorisConforty
React Native allows developers to build native mobile apps using JavaScript and React. It uses the same basic codebase to build apps for iOS and Android. While React Native simplifies development and allows sharing of code between platforms, it still lacks many features required for large, complex apps. Additional libraries and tools are needed to add capabilities like state management, debugging, and deployment. Choosing React Native involves tradeoffs between cross-platform needs and native app capabilities that developers must consider for their specific projects and timelines.
Dnepr JS Club #2
Speaker - Дмитрий Васин [full stack разработчик Anadea Inc.]
Тема: "Electron: Разработка Desktop приложений используя HTML, CSS и JavaScript"
"В этом докладе я опишу возможность создания красивых, крос-платформенных десктопных приложений используя современный стек технологий и веб-инструменты. Я покажу как разработать десктопное приложение используя HTML, CSS, and JavaScript. Рассмотрим:
- что это и зачем это нужно
- как это работает
- плюсы такой разработки
- фатальные минусы
- итоги"
This document discusses the author's work on building interactive programming environments directly in the browser. It summarizes that the author dreamed of a portable browser-based REPL (read-eval-print loop) and created http://repl.it which supports 17 programming languages in the browser using a JavaScript library. It also discusses how JavaScript has become an accidental web virtual machine that many other languages compile to.
Desktop Apps in a Javascript World - ElectronMarc MacLeod
This document discusses JavaScript desktop applications and compares different frameworks for building them, including Electron, Node-Webkit, and MacGap. It outlines key differences between web and desktop applications, such as access to the operating system and native functionality. The document provides an overview of features like the main and render processes in Electron, communicating between them, and options for storage, distribution, and other tasks in JavaScript desktop applications.
This document discusses cross-platform mobile development and compares tools like Xamarin, React Native, and Ionic. It notes that native mobile development requires separate codebases for each platform while cross-platform tools allow code reuse. Xamarin offers the fullest integration with native platforms but at a higher cost, while React Native and Ionic use JavaScript. Performance varies by tool, with Xamarin using native components and React Native using custom rendering. Development experience also differs, with automatic reloading and hot swapping available in some tools. The best choice depends on project needs and developer skills.
NativeScript: Cross-Platform Mobile Apps with JavaScript and AngularTodd Anglin
Do you want to build native mobile apps for iOS and Android? Are you a web developer? Then NativeScript is the perfect framework for you. NativeScript is an open source framework for creating native mobile apps using the skills of the web developer: JavaScript, CSS and simple tag-based markup. Create rich, high-performance iOS and Android apps with 100% native UI using many of the skills you already have.
Topics covered include:
NativeScript framework core concepts and getting started
Accessing native device capabilities with JavaScript
Building native mobile apps with Angular 2
Common app patterns (login, settings, data bound list and more)
Styling NativeScript with CSS
Targeting specific devices and screens
Debugging and deploying to devices
There has never been a better (and easier) way for web developers to create native mobile apps.
Cross-Platform Native Apps in Java (budapest.mobile)Gergely Kis
This document discusses developing cross-platform native apps using Java with the Intel Multi-OS Engine (MOE). It describes MOE's capabilities like using Java to build iOS apps, its performance compared to other solutions, and how its bindings generator allows full access to native APIs. MOE allows building once and deploying to multiple platforms like iOS and Android without rewriting code.
Workshop Apps with ReactNative I:
- What is React Native?
- Native Components
- Asynchronous execution
- Debugging
- Live Reload/Hot reload
- Flexbox and styling
- It’s just a JS framework!
- Native Components
- Native APIs
- Native modules
- Some Thoughts on Production Development
Presentado por ingeniero Jordi Serra
Minko - Targeting Flash/Stage3D with C++ and GLSLMinko3D
This document summarizes a conference about targeting Flash/Stage3D with C++ and GLSL. It discusses new features added to Minko, including user data, improved Collada loading, and new tutorial videos. It also previews the next major version of Minko called "Normandie", which will target new platforms using C++ and improve performance. Technological choices like C++ 2011, Crossbridge, Premake, and GLSL are explained. The challenges of shader programming, cross-platform shaders, and multi-pass effects are also covered.
Streaming protocols break down video content into small chunks that are delivered sequentially to viewers for reassembly and playback. This overcomes limitations of standard video formats for storage and playback. Common streaming protocols include HTTP Live Streaming (HLS), Dynamic Adaptive Streaming over HTTP (DASH), and Microsoft Smooth Streaming (MSS). These protocols support features like adaptive bitrate streaming and digital rights management (DRM). DRM uses encryption and licenses to restrict playback of protected content and is implemented through standards like Encrypted Media Extensions (EME) and content decryption modules (CDMs).
Introduction to Clean Code in Turkish
Temiz Kod Nedir?
Neden Temiz Kod Yazmalıyız?
Temiz Kod Nasıl Yazılır?
Temiz Kod Yazmaya Giriş
- İsimlendirme Kuralları
How to debug ColdFusion Applications using “ColdFusion Builder extension for ...Ortus Solutions, Corp
Unlock the secrets of seamless ColdFusion error troubleshooting! Join us to explore the potent capabilities of Visual Studio Code (VS Code) and ColdFusion Builder (CF Builder) in debugging. This hands-on session guides you through practical techniques tailored for local setups, ensuring a smooth and efficient development experience.
Alluxio Webinar | 10x Faster Trino Queries on Your Data PlatformAlluxio, Inc.
Alluxio Webinar
June. 18, 2024
For more Alluxio Events: https://www.alluxio.io/events/
Speaker:
- Jianjian Xie (Staff Software Engineer, Alluxio)
As Trino users increasingly rely on cloud object storage for retrieving data, speed and cloud cost have become major challenges. The separation of compute and storage creates latency challenges when querying datasets; scanning data between storage and compute tiers becomes I/O bound. On the other hand, cloud API costs related to GET/LIST operations and cross-region data transfer add up quickly.
The newly introduced Trino file system cache by Alluxio aims to overcome the above challenges. In this session, Jianjian will dive into Trino data caching strategies, the latest test results, and discuss the multi-level caching architecture. This architecture makes Trino 10x faster for data lakes of any scale, from GB to EB.
What you will learn:
- Challenges relating to the speed and costs of running Trino in the cloud
- The new Trino file system cache feature overview, including the latest development status and test results
- A multi-level cache framework for maximized speed, including Trino file system cache and Alluxio distributed cache
- Real-world cases, including a large online payment firm and a top ridesharing company
- The future roadmap of Trino file system cache and Trino-Alluxio integration
Drona Infotech is one of the best Mobile App Development Company in Noida. Elevate your business with our professional app development services. Let us help you create user-friendly and high-performing mobile applications.
Visit Us For: https://www.dronainfotech.com/mobile-application-development/
Break data silos with real-time connectivity using Confluent Cloud Connectorsconfluent
Connectors integrate Apache Kafka® with external data systems, enabling you to move away from a brittle spaghetti architecture to one that is more streamlined, secure, and future-proof. However, if your team still spends multiple dev cycles building and managing connectors using just open source Kafka Connect, it’s time to consider a faster and cost-effective alternative.
Sami provided a beginner-friendly introduction to Amazon Web Services (AWS), covering essential terms, products, and services for cloud deployment. Participants explored AWS' latest Gen AI offerings, making it accessible for those starting their cloud journey or integrating AI into coding practices.
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A captivating AI chatbot PowerPoint presentation is made with a striking backdrop in order to attract a wider audience. Select this template featuring several AI chatbot visuals to boost audience engagement and spontaneity. With the aid of this multi-colored template, you may make a compelling presentation and get extra bonuses. To easily elucidate your ideas, choose a typeface with vibrant colors. You can include your data regarding utilizing the chatbot methodology to the remaining half of the template.
Lots of bloggers are using Google AdSense now. It’s getting really popular. With AdSense, bloggers can make money by showing ads on their websites. Read this important article written by the experienced designers of the best website designing company in Delhi –
Are you wondering how to migrate to the Cloud? At the ITB session, we addressed the challenge of managing multiple ColdFusion licenses and AWS EC2 instances. Discover how you can consolidate with just one EC2 instance capable of running over 50 apps using CommandBox ColdFusion. This solution supports both ColdFusion flavors and includes cb-websites, a GoLang binary for managing CommandBox websites.
Non-Functional Testing Guide_ Exploring Its Types, Importance and Tools.pdfkalichargn70th171
Are you looking for ways to ensure your software development projects are successful? Non-functional testing is an essential part of the process, helping to guarantee that applications and systems meet the necessary non-functional requirements such as availability, scalability, security, and usability.
Major Outages in Major Enterprises Payara ConferenceTier1 app
In this session, we will be discussing major outages that happened in major enterprises. We will analyse the actual thread dumps, heap dumps, GC logs, and other artifacts captured at the time of the problem. After this session, troubleshooting CPU spikes, OutOfMemoryError, response time degradations, network connectivity issues, and application unresponsiveness may not stump you.
Explore the latest in ColdBox Debugger v4.2.0, featuring the Hyper Collector for HTTP/S request tracking, Lucee SQL Collector for query profiling, and Heap Dump Support for memory leak debugging. Enhancements like the revamped Request Dock and improved SQL/JSON formatting streamline debugging for optimal ColdBox application performance and stability. Ideal for developers familiar with ColdBox, this session focuses on leveraging advanced debugging tools to enhance development efficiency.
Explore the rapid development journey of TryBoxLang, completed in just 48 hours. This session delves into the innovative process behind creating TryBoxLang, a platform designed to showcase the capabilities of BoxLang by Ortus Solutions. Discover the challenges, strategies, and outcomes of this accelerated development effort, highlighting how TryBoxLang provides a practical introduction to BoxLang's features and benefits.
2. Prerequisites
o Javascript Knowledge, ES6+
o Basic Knowledge of React.JS
o Command Line Knowledge
o Basic Understanding of NPM
o Basic Understanding of Android Studio and/or Xcode
4. What is React-Native?
o A Javascript Framework based on React
o Build Native Applications using Javascript
o Native Support for IOS, Android, Apple TV, Android TV, Windows, XBox, MacOS Platforms
o Handles rendering on Native Side
o Learn once write anywhere
7. How React-Native Works?
o UI code is written with Javascript, React
o Javascript code is bundled&minified using Metro bundler
o React-Native has 3 threads (Main/UI which spawns Shadow and JS Threads)
o Javascript code runs on JS Thread
o Layout is calculated using Yoga engine on Shadow Thread
o Rendering is done on native side on UI Thread
o Threads communicate asynchronously through the Native Bridge
12. Comparison
React-Native Flutter Native
Backed by Facebook Backed by Google
Android - Backed by
Google
IOS - Backed by
Apple
Javascript Dart Kotlin + Java Swift
Windows, XBox supported
Linux, Macos supported
Apple TV, Android TV supported
Windows, XBox support on Alpha
Desktop support on Beta
TV support (ko Apple TV, ok Android TV)
Android IOS
Single codebase for multiple platforms Single codebase for multiple platforms Separate codebase Separate codebase
Bridges affect performance Compiled ahead of time into native code
No performance
concern
No performance
concern
Uses 3rd party UI Components Has it’s own UI Components
Has it’s own UI
Components
Has it’s own UI
Components
Lots of Separate Documentation More Detailed Documentation
Much More
Detailed
Documentation
Apple-centric
Documentation
Unit Testing - Good
UI (Functional) Testing - Complex
Unit and Functional Testing with Dart’s
testing framework
Unit and Function
Testing
Unit and Function
Testing