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1.
What is React Native and how does it differ from React?
Answer:
React Native Fundamentals
- 2.
Can you explain the concept of “Learn once, write anywhere” in the context of React Native?
Answer: - 3.
How do you create a basic React Native application?
Answer: - 4.
What are components in React Native?
Answer: - 5.
Explain the purpose of the
render()function in a React Native component.Answer: - 6.
What is JSX and how is it used in React Native?
Answer: - 7.
Can you list some of the core components in React Native?
Answer: - 8.
How do you handle state management in React Native?
Answer: - 9.
What are props in React Native and how are they used?
Answer: - 10.
What is the significance of the Flexbox layout in React Native?
Answer: - 11.
How do you debug a React Native application?
Answer: - 12.
Explain the concept of hot reloading in React Native.
Answer: - 13.
How do you handle user input in React Native?
Answer: - 14.
What is a
TouchableHighlightin React Native?Answer: - 15.
Describe the View component and its purpose in React Native.
Answer: - 16.
How would you navigate between screens in a React Native app?
Answer: - 17.
Can you explain the use of the useState hook in React Native?
Answer: - 18.
How do you apply styles in React Native?
Answer: - 19.
What is the difference between
stateandpropsin React Native?Answer: - 20.
How do you fetch and render a list of data using React Native?
Answer:
React Native Intermediate Concepts
- 21.
What are the lifecycle methods of a React Native component?
Answer: - 22.
Explain the use of the useEffect hook in React Native.
Answer: - 23.
What are higher-order components in React Native?
Answer: - 24.
How do you use the Context API in React Native?
Answer: - 25.
Can you perform deep linking in React Native? If so, how?
Answer: - 26.
Explain the significance of keys in a list in React Native.
Answer: - 27.
How do you implement global state in a React Native app without using Redux or Context API?
Answer: - 28.
How do you optimize performance in a React Native app?
Answer: - 29.
What is the Virtual DOM and how does React Native utilize it?
Answer: - 30.
Describe how to implement animations in React Native.
Answer: - 31.
How does React Native handle layout for different device sizes and orientations?
Answer: - 32.
What is the difference between
StyleSheet.createand plain JavaScript objects for styling?Answer: - 33.
How do you use Redux for state management in React Native?
Answer: - 34.
What is the
useCallbackhook and how can it be useful in React Native?Answer: - 35.
Explain how to use refs in React Native.
Answer: - 36.
How would you create a custom hook in React Native?
Answer: - 37.
In what ways can you improve the memory usage of a React Native app?
Answer: - 38.
What is the role of the React Native Bridge?
Answer: - 39.
How can you integrate a React Native app with a backend service?
Answer: - 40.
How do you secure sensitive data such as API keys in a React Native app?
Answer:
React Native Styling and Layout
- 41.
How do you use the
StyleSheetobject to create styles?Answer: - 42.
Can you explain how to use Flexbox for responsive layouts in React Native?
Answer: - 43.
How do you implement theming in a React Native application?
Answer: - 44.
What consideration should be taken when styling components for different platforms (iOS and Android)?
Answer: - 45.
How can you use third-party styling libraries like Styled Components in React Native?
Answer:
React Native Data Management and Networking
- 46.
How do you handle state persistence in React Native?
Answer: - 47.
Explain how to make network requests using axios or fetch in React Native.
Answer: - 48.
What is GraphQL and how can it be used in a React Native app?
Answer: - 49.
How do you manage caching of network requests in React Native?
Answer: - 50.
What are the best practices for data validation in React Native forms?
Answer: - 51.
How can you integrate a React Native application with Redux Saga?
Answer: - 52.
Discuss the different ways to manage application state in React Native.
Answer: - 53.
How do you handle offline data synchronization in React Native?
Answer: - 54.
What are the benefits of using Apollo Client in React Native applications?
Answer:
React Native Platform Specifics
- 55.
How does React Native handle platform-specific code?
Answer: - 56.
What are some common platform-specific components in React Native?
Answer: - 57.
Can you explain how to use the Platform module in React Native?
Answer: - 58.
How do you build a component that renders differently on iOS and Android?
Answer: - 59.
Describe a scenario where you might use
NativeModulesin React Native.Answer: - 60.
How do you use
Linkingto handle external URLs in React Native?Answer:
React Native Performance Optimization
- 61.
What strategies can you employ to optimize the performance of a React Native application?
Answer: - 62.
How would you reduce the app bundle size in a React Native project?
Answer: - 63.
Explain how to use the
PureComponentclass for performance gains in React Native.Answer: - 64.
Why is it important to avoid unnecessary renders in React Native, and how can you achieve this?
Answer: - 65.
What is the Hermes engine and how does it benefit React Native performance?
Answer:
React Native Testing and Debugging
- 66.
What are some popular testing frameworks for React Native applications?
Answer: - 67.
How do you write a unit test for a React Native component?
Answer: - 68.
Describe the process for end-to-end testing in React Native.
Answer: - 69.
What are some common debugging techniques in React Native?
Answer: - 70.
What tools would you use for performance profiling in React Native?
Answer:
React Native Navigation and Routing
- 71.
Compare and contrast React Navigation and React Native Navigation.
Answer: - 72.
How do you pass parameters between screens using React Navigation?
Answer: - 73.
Explain tab navigation in React Native.
Answer: - 74.
How can you implement deep linking with React Navigation?
Answer: - 75.
What is the difference between stack navigation and modal navigation in React Native?
Answer:
React Native Build and Deployment
- 76.
What is the process to build and package a React Native app for production?
Answer: - 77.
How do you configure app signing for deploying a React Native app to the Google Play Store or Apple App Store?
Answer: - 78.
Explain the steps to update a React Native app already deployed on the app stores.
Answer: - 79.
What is CodePush and how can it be used in React Native apps?
Answer: - 80.
How do you manage different app environments (development, staging, production) in React Native?
Answer:
React Native Ecosystem and Libraries
- 81.
List some common libraries that you would consider essential for React Native development.
Answer: - 82.
How do you integrate a navigation library like React Navigation into a React Native app?
Answer: - 83.
What is Expo, and what are its pros and cons?
Answer: - 84.
How would you integrate push notifications into a React Native app?
Answer: - 85.
Describe how you would use a library like React Native Elements to enhance the UI of your app.
Answer:
Advanced React Native Topics
- 86.
What is the Flipper tool and how does it help in React Native development?
Answer: - 87.
Can you explain the use of Turbo Modules in React Native?
Answer: - 88.
Describe the process of linking native modules in a React Native app.
Answer: - 89.
What is Reanimated, and when would you use it in a React Native app?
Answer: - 90.
How do you create a bridge for a native module in React Native?
Answer: - 91.
Explain the concept of shared element transitions in React Native.
Answer: - 92.
How would you go about writing native code in Swift or Kotlin for React Native?
Answer: - 93.
What is “Fast Refresh” in React Native?
Answer: - 94.
How does React Native compile to native code?
Answer: - 95.
Can you integrate a React Native application into an existing native iOS or Android app?
Answer:
React Native Best Practices
- 96.
What are the best practices for structuring a large React Native codebase?
Answer: - 97.
How should you handle sensitive data in a React Native app?
Answer: - 98.
What are the best practices for API interaction and data fetching in React Native?
Answer: - 99.
Discuss the importance of accessibility in React Native apps.
Answer: - 100.
How do you ensure that your React Native application is maintainable and scalable over time?
Answer:
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