React Native Training in Ranchi

Codezeal Technologies • Ranchi

React Native Mobile App Development Training in Ranchi

Codezeal is a premier mobile development training center in Ranchi offering industry-ready, hands-on React Native and Expo training with live app projects. Our primary focus is to develop practical engineering skills so students and developers can build fast, responsive, and native-feeling mobile applications for both Android and iOS from a single JavaScript/TypeScript codebase.

Guided by professional mobile developers with real-world app publishing experience, you will learn core mobile UI components, navigation patterns, native device APIs, state management, and seamless backend API integration.

Program Core Pillars

Core Components & Flexbox

Master View, Text, Image, ScrollView, FlatList, and mobile Flexbox layouts to design responsive UIs across phones and tablets.

Expo & React Navigation

Build multi-screen apps using Stack, Tab, and Drawer navigators with Expo Router, route parameters, and smooth screen transitions.

Native APIs & Device Hardware

Access camera, image picker, geolocation, push notifications, AsyncStorage, and native sensors using Expo and React Native libraries.

REST APIs & App Deployment

Connect backend endpoints, handle offline data syncing, configure authentication tokens, and generate production APK/AAB and iOS builds.

Scope of React Native Development in Ranchi

React Native is widely chosen by startups and tech enterprises because it delivers native mobile performance while cutting development time in half through cross-platform reuse. In growing IT hubs like Ranchi, organizations seek developers who can ship production-grade mobile experiences without managing separate native codebases. Learning React Native opens direct pathways into mobile app engineering, full-stack hybrid roles, and freelance client opportunities worldwide.

Key Benefits of React Native Training

  • Launch Your Mobile Career: Qualify for in-demand roles including React Native Developer, Mobile App Engineer, and Cross-Platform Developer.
  • One Codebase, Two Platforms: Build and maintain native Android and iOS mobile applications simultaneously using JavaScript and React.
  • Freelance & App Publishing: Gain the skills needed to design, build, and deploy custom mobile apps for international clients or launch your own products.
  • Portfolio Live Projects: Create and publish real-world apps such as food delivery, e-commerce, and tracking apps with full API integration.

Book a Free Technical Consultation

Discuss your career goals, evaluate our live project curriculum, and plan your cross-platform mobile app development journey with our mentors.

Modes: Classroom Lab & Online Live Center: Codezeal Technologies, Ranchi
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REACT NATIVE SYLLABUS

REACT NATIVE APPLICATION DEVELOPMENT SYLLABUS

Module 1

JavaScript Programming Fundamentals
▸ Variables, data types, let/const, operators, type conversion and template literals
▸ Conditional statements: if, else, else-if, switch and logical operators
▸ Loops: for, while, for...of and iteration over collections
▸ Functions, arrow functions, parameters, return values and scope
▸ Arrays and objects: create, read, update, delete and iterate
▸ Array methods: map(), filter(), find(), reduce(), forEach() and includes()
▸ Destructuring, spread/rest operators, optional chaining and modules
▸ Promises, async/await, fetch(), JSON parsing and try/catch error handling
▸ npm, package.json, installing packages and managing dependencies
Application Practice: Build small JavaScript exercises: calculator, expense list, filtering/search and API data reader.
Module 2

React Fundamentals
▸ Declarative UI, component-based architecture and one-way data flow
▸ JSX syntax, expressions, fragments and component naming conventions
▸ Functional components, component composition and reusable UI
▸ Props, children props, passing data and default values
▸ State management using useState and responding to user events
▸ Conditional rendering and rendering arrays with stable keys
▸ Hooks overview and Rules of Hooks
▸ useEffect for synchronising with external systems, dependencies and cleanup
▸ Lifting state up, sharing data and organising components
Application Practice: Create reusable profile, product card, counter and task-list components.
Module 3

React Native Setup and Project Structure
▸ Cross-platform architecture: React Native vs native Android/iOS vs hybrid
▸ React Native architecture and native UI rendering overview
▸ Installing Node.js LTS, npm, VS Code and Android Studio with SDK tools
▸ Expo workflow: project creation, dev server and testing on Expo Go
▸ React Native Community CLI workflow for bare native access
▸ Entry point, app configuration, assets, components and package.json
▸ Running on Android emulators/devices and iOS Simulator workflows
▸ Metro bundler, Fast Refresh and environment troubleshooting
Application Practice: Create a starter app, configure its name/theme and run it on an Android emulator or device.
Module 4

Core React Native Components and UI Development
▸ Core components: View, Text, Image, ScrollView, TextInput, Pressable and Button
▸ Lists: FlatList and SectionList; keys, empty states and performance
▸ SafeAreaView / safe-area insets, status bar handling and screen margins
▸ Touchable interactions, keyboard handling and accessibility labels
▸ StyleSheet, reusable styles, spacing, typography, colours and themes
▸ Flexbox: flexDirection, justifyContent, alignItems, flexWrap and dimensions
▸ Responsive layouts for different screen sizes and device orientations
▸ Images, SVG/icon libraries, custom fonts and local static assets
▸ Platform-specific styling and Platform API for Android/iOS variations
▸ Reusable UI: buttons, cards, inputs, headers, loaders, dialogs and bottom sheets
Application Practice: Design and implement Home, Login, Profile, Listing and Details screens from a supplied UI reference.
Module 5

Navigation and Application Flow
▸ Installing and configuring React Navigation for mobile projects
▸ Stack navigation, bottom tabs and drawer navigation
▸ Passing route parameters and screen data across navigators
▸ Nested navigators and separating authenticated vs public screen flows
▸ Headers, tab icons, custom navigation options and card transitions
▸ Back navigation, state reset and logout navigation patterns
▸ Deep linking basics and handling external notification routes
▸ Navigation guards and role-based screen access
Application Practice: Build a multi-screen application with onboarding, authentication, dashboard, details and profile navigation.
Module 6

State Management and Application Data
▸ Local component state vs shared global state architectures
▸ Context API and useContext for shared application values
▸ Redux Toolkit introduction: store, slices, actions, reducers and selectors
▸ Choosing Context API or Redux Toolkit based on project scope
▸ Managing user sessions, carts, filters, selected location and preferences
▸ Avoiding state duplication and keeping data flow predictable
▸ Loading, success, empty and error states across screens
Application Practice: Implement a shared cart, user profile/session or favourites feature.
Module 7

REST API Integration and Backend Connectivity
▸ Client-server model, REST principles, endpoints, HTTP methods and status codes
▸ JSON structures, headers, query parameters and request bodies
▸ API calls using fetch or Axios: GET, POST, PUT/PATCH and DELETE
▸ Centralised API service layer, reusable client functions and environment setup
▸ Authentication headers, bearer tokens and handling expired session responses
▸ Loading indicators, empty states, error messages and network failure handling
▸ Pagination, search, sorting, filtering and pull-to-refresh implementations
▸ Image upload and multipart/form-data payload handling
▸ API debugging with Postman, Flipper and inspecting mobile device network logs
▸ Secure client practices: protecting secrets and understanding server boundaries
Application Practice: Connect the app to a backend and implement listing, details, create/update and delete flows.
Module 8

Forms, Validation and Authentication
▸ TextInput, keyboard types, secure text entry and controlled form values
▸ Login, registration, forgot password, OTP verification and profile forms
▸ Required fields, email/phone regex, password rules and inline validation
▸ Form libraries with React Hook Form and schema validation via Yup/Zod
▸ Handling backend validation responses and showing field-level error messages
▸ Token-based auth flow: access token and refresh token rotation
▸ Persisting sessions securely using encrypted mobile storage options
▸ Logout workflows, session expiration and protected navigation state
▸ Role-based access concepts for customer, vendor, driver or admin apps
Application Practice: Implement a complete login/register flow connected to a live authentication API.
Module 9

Local Storage, Offline Data and Media
▸ AsyncStorage for non-sensitive key-value persistence
▸ Secure storage solutions for sensitive tokens and credentials
▸ Persisting user preferences, onboarding flags and app settings
▸ Local caching strategies and designing offline-friendly UI
▸ Monitoring network connectivity changes and retrying failed requests
▸ Selecting images and files using native community image pickers
▸ Image previews, upload progress and file-size/MIME-type checks
▸ Mobile relational storage concepts and SQLite integration overview
Application Practice: Create a notes/favourites feature that remains persistent across app restarts.
Module 10

Native Device Features and Permissions
▸ Runtime permissions and OS-specific permission flow differences
▸ Camera and photo gallery/media library access integration
▸ Location services: foreground permissions and coordinates
▸ Maps and marker visualization using popular maps SDKs
▸ Document pickers, file system access and system share sheets
▸ Device linking: dialer, SMS, email and external browser intents
▸ Push notifications: token registration, payload handling and deep links
▸ Biometric authentication overview (Fingerprint / Face ID)
▸ Haptic feedback, vibration, clipboard and sensor APIs
▸ Native Modules overview and bridging custom native code
Application Practice: Integrate device features including image selection, maps/location and push alerts into the project.
Module 11

UI/UX, Animation and Accessibility
▸ Mobile UI guidelines, consistent spacing, visual hierarchy and touch targets
▸ Design systems: colour palettes, typography, button variants and input states
▸ Smooth animations using Animated API or React Native Reanimated
▸ Native gesture handling, pan responders and swipe-to-delete actions
▸ Skeleton loaders, empty state screens, alerts and feedback modals
▸ Accessibility labels, contrast standards, dynamic font sizing and screen readers
▸ Dark mode theming and platform-specific UI patterns
Application Practice: Polish the app with a cohesive design system, smooth gestures, and accessible controls.
Module 12

Firebase and Common Third-Party Services
▸ Firebase project setup, Android/iOS registration and configuration files
▸ Firebase Authentication workflows and external identity providers
▸ Cloud Firestore and Realtime Database basics for live mobile data sync
▸ Firebase Cloud Messaging (FCM) integration for push alerts
▸ Crashlytics setup, error logging and performance analytics
▸ Third-party SDK integration patterns for payments, maps and media
▸ Secure API key management and platform package restrictions
Application Practice: Integrate one selected Firebase capability or equivalent cloud backend service into the mobile app.
Module 13

Debugging, Testing, Security and Performance
▸ Metro logs, React Native DevTools, Logcat and Xcode console tools
▸ Debugging layout, navigation, network requests and permission bugs
▸ Common runtime errors, dependency conflicts and native build troubleshooting
▸ Unit and component testing with Jest and React Native Testing Library
▸ Testing on varied screen densities, Android versions and iOS devices
▸ List performance optimization: initialNumToRender, memoization and windowing
▸ Image caching, bundle profiling and preventing redundant re-renders
▸ Secure token handling, input sanitisation and network transport security
▸ Release readiness checklist, crash monitoring and quality assurance
Application Practice: Test critical user journeys, fix reported UI/network defects and execute a pre-release test suite.
Module 14

Build Generation and Play Store / App Store Release
✔ Development, preview and production build variants
✔ App name, bundle ID/package name, version codes and launcher icons
✔ Android keystore generation, app signing and Android App Bundle (AAB) builds
✔ iOS certificates, provisioning profiles and archive creation concepts
✔ Expo Application Services (EAS Build) and native Gradle/Xcode workflows
✔ Environment variables, production endpoints and ProGuard optimization
✔ App permissions declaration, privacy policies and store listing setup
✔ Internal testing tracks, TestFlight beta distribution and review submission
Final Capstone Deliverables: Deliver a complete mobile application (E-commerce, Service Booking, Food Delivery, or Marketplace) featuring authentication, state management, REST APIs, device integrations, notifications, and a signed release build (AAB).

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