Debugging and Development Tools

npm install -g react-native-debugger

// In your app's entry point (e.g., App.js)
import { LogBox } from 'react-native';

// Disable all logs for production
LogBox.ignoreAllLogs(true);

// Or ignore specific logs
LogBox.ignoreLogs([
  'Warning: componentWillMount is deprecated',
  'Warning: componentWillReceiveProps is deprecated'
]);

// In your React Native app, enable remote debugging
// by shaking the device or pressing Cmd+D (macOS) / Ctrl+D (Windows/Linux)
// Then select "Debug" from the menu

// Example of a simple component to test debugging
import React from 'react';
import { View, Text } from 'react-native';

const DebugExample = () => {
  const [count, setCount] = React.useState(0);

  const increment = () => {
    setCount(count + 1);
  };

  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Text>Count: {count}</Text>
      <Text onPress={increment}>Tap to increment</Text>
    </View>
  );
};

export default DebugExample;

// In your React Native app, import and use the DevTools
import { AppRegistry } from 'react-native';
import App from './App';

// Register the app
AppRegistry.registerComponent('MyApp', () => App);

npm install --save-dev flipper

import { NetworkInspector } from 'flipper-plugin-network';

// Enable in Flipper UI under Plugins

const MyComponent = () => {
  const [count, setCount] = useState(0);

  const handleClick = () => {
    debugger; // <-- Breakpoint will pause execution here
    setCount(count + 1);
  };

  return (
    <View>
      <Text>Count: {count}</Text>
      <Button title="Click" onPress={handleClick} />
    </View>
  );
};

// Install React Native Debugger
// npm install -g react-native-debugger

// Launch debugger
// react-native-debugger

// In your app, enable debugging:
import { LogBox } from 'react-native';
LogBox.ignoreAllLogs(true);

// Use the debugger to inspect element hierarchy

import { PerformanceMonitor } from 'react-native-performance';

PerformanceMonitor.start();
// Your app logic here
PerformanceMonitor.stop();

const metrics = PerformanceMonitor.getMetrics();
console.log(metrics);

// Install Flipper in your project
npm install --save-dev flipper

// Or using yarn
yarn add --dev flipper

// Install Flipper in your project
npm install flipper-react-native --save-dev

// In your app's entry point (e.g., index.js)
import { NativeModules } from 'react-native';

// Enable Flipper debugging
if (__DEV__) {
  NativeModules.DevSettings.setIsDebuggingEnabled(true);
}