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Mobile App Development using React Native
- Last Updated: May 15, 2025
- Telugu, English

About Course
This comprehensive course teaches you how to build cross-platform mobile applications using React Native with Expo, covering the essential tools, concepts, and real-world practices needed for modern app development. You’ll begin with the foundations of development using Node.js, npm, and the Expo CLI, then progress through designing layouts with Flexbox, managing state with hooks and Context API, and building fully functional UIs with REST API integration, navigation, and storage solutions.
As you progress, you’ll learn how to optimize list rendering, capture media using the device camera, and add smooth animations. The course also introduces robust testing practices and culminates in a capstone project—a complete local chat app—with features like avatars, local history, and real-time UI interactions. By the end, you’ll present your work, gain feedback, and be ready to launch real-world apps with confidence.
Benefits of the course
- Build cross-platform mobile apps using React Native and Expo for Android, iOS, and web.
- Master modern React tools like Hooks (useState, useEffect) to manage dynamic app behavior.
- Design responsive layouts with Flexbox that adapt to any screen size or orientation.
- Implement smooth navigation flows using @react-navigation for a seamless multi-screen experience.
- Create fully interactive forms with real-time validation and data handling.
- Persist user data locally using AsyncStorage to enable offline access and session management.
- Fetch and display live data from REST APIs using fetch and Axios.
- Capture and preview user images from the camera or gallery with Expo Image Picker.
- Enhance UI with animations using the Animated API for polished, responsive feedback.
- Build and showcase a chat app as a capstone project to demonstrate real-world development skills.
Course Content
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Installing Node.js and npm
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Setting up Expo CLI
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Creating a new React Native project with Expo
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Running the development server (web, Android, iOS)
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Rendering your first screen with Text and View components
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Understanding JSX and how it compiles
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Functional components vs. class components
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Passing props to child components
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Managing state using useState
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Component hierarchy and parent-child interaction
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Basics of Flexbox: direction, alignment, spacing
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Creating responsive layouts
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Using Flexbox with nested views
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Adapting layouts for different screen sizes
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State management with useState
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Side effects and lifecycle replacement with useEffect
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Dependency array usage
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Fetching data or setting timers with hooks
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Installing react-navigation and dependencies
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Creating a navigation container
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Defining stack screens
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Passing data between screens
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Customizing headers and transitions
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Building input forms with TextInput, Switch, and Picker
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Handling input state
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Creating submit buttons and handlers
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Implementing basic validation logic
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Showing validation messages
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Installing and setting up @react-native-async-storage/async-storage
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Saving data (e.g., user sessions)
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Retrieving data on app startup
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Removing stored values
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Use cases and best practices
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Making GET and POST requests using fetch
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Installing and using Axios
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Parsing JSON data and updating UI
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Handling loading and error states
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Creating context providers
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Managing shared state across components
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Using useContext in children
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Example: Auth or theme context
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Advantages vs. prop drilling
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Installing expo-image-picker
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Requesting media and camera permissions
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Picking images from gallery
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Capturing photos with camera
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Displaying selected images
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Rendering lists using FlatList
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Using keyExtractor and renderItem
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Optimizing large lists with lazy loading
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Implementing infinite scroll and pagination
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Pull-to-refresh handling
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Understanding the Animated API
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Creating animations: fade, slide, scale
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Combining animations with user actions
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Using interpolation and timing functions
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Setting up Jest in a React Native project
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Writing basic test cases
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Snapshot testing
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Testing component behavior with @testing-library/react-native
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Introduction to the final project goal
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Planning feature set and UI
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Defining tech stack (navigation, context, storage)
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Setting milestones and project timeline
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Designing chat screen layout
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Message bubbles, timestamps, sender info
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Scrollable message list with FlatList
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Input field with send button
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Saving messages using AsyncStorage
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Displaying past messages on app load
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Structuring message objects (text, time, user)
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Updating state with new messages
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Letting users pick or capture profile photos
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Storing avatar URI in state/storage
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Previewing avatar in profile or chat header
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Optional cropping or resizing
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Using try-catch for API and async operations
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Displaying friendly error messages
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Handling broken image URIs
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Creating fallback UI components
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Enhancing spacing, typography, and color schemes
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Adding visual feedback (loading spinners, button states)
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Implementing smooth transitions
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Improving empty/error states for all screens
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Finalizing app code and UI
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Preparing for demo: key features walkthrough
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Conducting a mock presentation
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Receiving peer/instructor feedback on code quality and UI/UX
Instructor
Skillfused is an emerging digital learning platform dedicated to empowering learners with industry-relevant IT skills. From beginner-friendly courses to advanced developer tracks, Skillfused offers hands-on, practical training across web development, mobile app development, data science, QA testing, and more. Each course is crafted by experienced professionals to ensure real-world application, job readiness, and learner success.
- Update:May 15, 2025
- Lectures88
- Skill LevelBeginner
- LanguageTelugu, English
- Course Duration: 80h
Your Instructors

Skillfused
Course Creator
Skillfused is an emerging digital learning platform dedicated to empowering learners with industry-relevant IT skills. From beginner-friendly courses to advanced developer tracks, Skillfused offers hands-on, practical training across web development, mobile app development, data science, QA testing, and more. Each course is crafted by experienced professionals to ensure real-world application, job readiness, and learner success.
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Requirements
- Live online classes via Google Meet
- Session recordings for revision
- Downloadable lecture slides
- Hands-on coding exercises and projects
- Sample scripts and code files
- Capstone project development guide
- Assignments and practice problems
- Course completion certificate
- Access to Q&A and doubt-clearing sessions
- Recommended reading and resource links
Tags
Target Audience
- Aspiring mobile app developers who want to build cross-platform apps using JavaScript.
- Web developers seeking to transition into mobile app development.
- Computer science students or coding bootcamp learners exploring modern mobile frameworks.
- Entrepreneurs or product owners looking to prototype or build mobile apps without deep native code knowledge.
- Junior developers who want to add React Native + Expo to their resume for job readiness.
- UI/UX designers aiming to understand how their designs translate into actual mobile apps.
- Freelancers and indie developers building MVPs and real-time apps with React Native.
- Backend developers learning how to connect APIs to mobile front ends.
- Developers looking for a structured, project-based learning path.
- Anyone building a portfolio project for job interviews or startup showcases.
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