React Native Framework

9.

Debugging and Performance Optimization

9.1.

Debugging Techniques

9.1.1.

console.log and Metro Console

9.1.2.

Debugging with Flipper

9.1.3.

Debugging with Chrome DevTools

9.1.4.

Error Boundaries

9.1.4.1.

Catching and Displaying Errors

9.2.

Performance Analysis

9.2.1.

Performance Monitor

9.2.1.1.

Monitoring Frame Rate and Memory Usage

9.2.2.

Flipper Profiler

9.2.2.1.

Profiling Component Renders

9.2.3.

Understanding Dropped UI Frames

9.2.3.1.

Causes and Solutions

9.3.

Optimization Strategies

9.3.1.

List View Optimization

9.3.1.1.

FlatList Optimization Props

9.3.1.2.

Windowing and Virtualization

9.3.2.

Component Memoization

9.3.2.1.

Using React.memo

9.3.2.2.

Preventing Unnecessary Renders

9.3.3.

Image Optimization

9.3.3.1.

Image Loading and Caching

9.3.3.2.

Image Resizing and Formats

9.3.4.

Bundle Size Reduction

9.3.4.1.

Removing Unused Dependencies

9.3.4.2.

Code Splitting and Dynamic Imports

9.3.5.

Threading Considerations

9.3.5.1.

JS Thread vs UI Thread

9.3.5.2.

Offloading Work to Native Modules

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8. Working with Native APIs and Modules

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10. Testing