hooks
React Native APIs turned into React Hooks for use in functional React components
Top Related Projects
A framework for building native applications using React
Material Design for React Native (Android & iOS)
A complete native navigation solution for React Native
Routing and navigation for your React Native apps
React Native's Animated library reimplemented
Cross-Platform React Native UI Toolkit
Quick Overview
React Native Hooks is a collection of reusable React hooks specifically designed for React Native applications. It provides a set of custom hooks that simplify common tasks and enhance the development experience in React Native projects.
Pros
- Simplifies common React Native tasks with ready-to-use hooks
- Improves code readability and reduces boilerplate
- Regularly maintained and updated by the React Native community
- Lightweight and easy to integrate into existing projects
Cons
- Limited to React Native projects, not usable in regular React web applications
- Some hooks may have performance implications if not used correctly
- Requires understanding of React Hooks API
- May introduce unnecessary dependencies for simple projects
Code Examples
- Using the
useAppState
hook to track app state changes:
import { useAppState } from '@react-native-community/hooks';
function AppStateExample() {
const currentAppState = useAppState();
return <Text>Current app state: {currentAppState}</Text>;
}
- Utilizing the
useBackHandler
hook to handle back button presses:
import { useBackHandler } from '@react-native-community/hooks';
function BackHandlerExample() {
useBackHandler(() => {
// Custom back button behavior
console.log('Back button pressed');
return true; // Prevent default behavior
});
return <View>{/* Component content */}</View>;
}
- Employing the
useKeyboard
hook to respond to keyboard events:
import { useKeyboard } from '@react-native-community/hooks';
function KeyboardExample() {
const keyboard = useKeyboard();
return (
<View style={{ paddingBottom: keyboard.keyboardShown ? keyboard.keyboardHeight : 0 }}>
{/* Component content */}
</View>
);
}
Getting Started
To start using React Native Hooks in your project:
-
Install the package:
npm install @react-native-community/hooks
-
Import and use the desired hooks in your components:
import { useAppState, useBackHandler, useKeyboard } from '@react-native-community/hooks'; function MyComponent() { const appState = useAppState(); useBackHandler(() => { // Custom back handler logic return true; }); const keyboard = useKeyboard(); // Use the hooks in your component logic // ... }
Competitor Comparisons
A framework for building native applications using React
Pros of React Native
- Comprehensive framework for building cross-platform mobile apps
- Extensive documentation and large community support
- Integrated with native components for better performance
Cons of React Native
- Larger project size and complexity
- Steeper learning curve for beginners
- More frequent updates and potential breaking changes
Code Comparison
React Native (basic component):
import React from 'react';
import { View, Text } from 'react-native';
const MyComponent = () => (
<View>
<Text>Hello, React Native!</Text>
</View>
);
Hooks (using a custom hook):
import { useAppState } from '@react-native-community/hooks';
const MyComponent = () => {
const currentAppState = useAppState();
return <Text>Current app state: {currentAppState}</Text>;
};
Summary
React Native is a full-fledged framework for building mobile applications, offering a wide range of features and capabilities. It provides a comprehensive solution for cross-platform development but comes with increased complexity and a steeper learning curve.
Hooks, on the other hand, is a collection of reusable React hooks specifically designed for React Native. It offers a more focused and lightweight approach, providing developers with useful custom hooks to enhance their React Native applications without the overhead of a complete framework.
While React Native is suitable for building entire applications from scratch, Hooks can be easily integrated into existing React Native projects to add specific functionalities and improve code reusability.
Material Design for React Native (Android & iOS)
Pros of react-native-paper
- Comprehensive UI component library with Material Design
- Customizable theming system for consistent app styling
- Regular updates and active community support
Cons of react-native-paper
- Larger bundle size due to extensive component set
- Steeper learning curve for customizing complex components
- May require additional setup for certain platform-specific features
Code Comparison
react-native-paper:
import { Button } from 'react-native-paper';
const MyComponent = () => (
<Button mode="contained" onPress={() => console.log('Pressed')}>
Press me
</Button>
);
hooks:
import { useCallback } from '@react-native-community/hooks';
const MyComponent = () => {
const handlePress = useCallback(() => console.log('Pressed'), []);
return <Button onPress={handlePress}>Press me</Button>;
};
Key Differences
- react-native-paper focuses on UI components and styling
- hooks provides utility hooks for common React Native tasks
- react-native-paper requires importing specific components
- hooks enhances existing React Native components with additional functionality
Use Cases
- Choose react-native-paper for a complete Material Design UI kit
- Opt for hooks when you need performance optimizations and reusable logic
- Combine both libraries for a feature-rich and optimized React Native app
A complete native navigation solution for React Native
Pros of react-native-navigation
- Comprehensive navigation solution with advanced features like deep linking and custom transitions
- Native implementation for better performance and smoother animations
- Extensive documentation and active community support
Cons of react-native-navigation
- Steeper learning curve due to its complex API and configuration
- Potential compatibility issues with certain React Native versions or third-party libraries
- Larger bundle size compared to more lightweight navigation solutions
Code Comparison
react-native-navigation:
Navigation.setRoot({
root: {
stack: {
children: [
{
component: {
name: 'Home'
}
}
]
}
}
});
hooks:
import { useNavigation } from '@react-navigation/native';
const navigation = useNavigation();
navigation.navigate('Home');
Key Differences
- react-native-navigation provides a more native-like navigation experience but requires more setup and configuration
- hooks offers a simpler API and easier integration with React Navigation, but may have limitations for complex navigation scenarios
- react-native-navigation has a steeper learning curve but offers more customization options
- hooks is more lightweight and easier to adopt, especially for developers already familiar with React Navigation
Use Cases
- Choose react-native-navigation for complex apps requiring native-like performance and advanced navigation features
- Opt for hooks when building simpler apps or when you prefer a more React-like approach to navigation management
Routing and navigation for your React Native apps
Pros of react-navigation
- Comprehensive navigation solution for React Native apps
- Extensive documentation and community support
- Flexible and customizable with various navigation patterns
Cons of react-navigation
- Steeper learning curve due to its complexity
- Larger bundle size compared to simpler navigation solutions
- Frequent updates may require occasional migration efforts
Code Comparison
react-navigation:
import { NavigationContainer } from '@react-navigation/native';
import { createStackNavigator } from '@react-navigation/stack';
const Stack = createStackNavigator();
function App() {
return (
<NavigationContainer>
<Stack.Navigator>
<Stack.Screen name="Home" component={HomeScreen} />
<Stack.Screen name="Details" component={DetailsScreen} />
</Stack.Navigator>
</NavigationContainer>
);
}
hooks:
import { useNavigation } from '@react-navigation/native';
import { useBackHandler } from '@react-native-community/hooks';
function MyComponent() {
const navigation = useNavigation();
useBackHandler(() => {
navigation.goBack();
return true;
});
// Component logic
}
While react-navigation provides a full-featured navigation solution, hooks offers a collection of useful React hooks for various purposes in React Native development. The code comparison shows how react-navigation is used to set up navigation structure, while hooks can be used to enhance navigation functionality within components.
React Native's Animated library reimplemented
Pros of react-native-reanimated
- Advanced animation capabilities with a declarative API
- Better performance for complex animations due to native driver
- Seamless integration with gesture handling libraries
Cons of react-native-reanimated
- Steeper learning curve compared to hooks
- Requires additional setup and configuration
- Larger bundle size due to native implementation
Code Comparison
react-native-reanimated:
import Animated, { useAnimatedStyle, useSharedValue, withSpring } from 'react-native-reanimated';
const animatedStyles = useAnimatedStyle(() => {
return {
transform: [{ translateX: withSpring(offset.value * 255) }],
};
});
react-native-community/hooks:
import { useAnimatedValue } from '@react-native-community/hooks';
import { Animated } from 'react-native';
const animatedValue = useAnimatedValue(0);
const animatedStyle = {
transform: [{ translateX: animatedValue.interpolate({ inputRange: [0, 1], outputRange: [0, 255] }) }],
};
react-native-reanimated offers more powerful animation capabilities and better performance for complex animations, but comes with a steeper learning curve and additional setup. react-native-community/hooks provides simpler, more straightforward hooks for basic animations and other React Native functionalities, making it easier to use for simpler use cases.
Cross-Platform React Native UI Toolkit
Pros of react-native-elements
- Comprehensive UI toolkit with pre-built components
- Customizable themes and styles for consistent design
- Active community and regular updates
Cons of react-native-elements
- Larger bundle size due to extensive component library
- Steeper learning curve for customizing complex components
- May require additional configuration for optimal performance
Code Comparison
react-native-elements:
import { Button, Input } from 'react-native-elements';
<Button title="Submit" onPress={handleSubmit} />
<Input placeholder="Enter your name" onChangeText={setName} />
hooks:
import { useBackHandler } from '@react-native-community/hooks';
useBackHandler(() => {
// Handle back button press
return true;
});
Summary
react-native-elements provides a rich set of UI components, making it ideal for rapidly building polished interfaces. It offers extensive customization options but may increase app size and complexity.
hooks focuses on providing utility hooks for common React Native tasks, offering a lightweight solution for specific functionality without the overhead of a full UI library.
Choose react-native-elements for comprehensive UI development, or hooks for targeted functionality enhancements in your React Native projects.
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React Native Hooks
React Native APIs turned into React Hooks allowing you to access asynchronous APIs directly in your functional components.
Note: You must use React Native >= 0.59.0
Installation with npm
npm install @react-native-community/hooks
Installation with yarn
yarn add @react-native-community/hooks
API
- useAccessibilityInfo
- useAppState
- useBackHandler
- useImageDimensions
- useKeyboard
- useInteractionManager
- useDeviceOrientation
- useLayout
- useRefresh
useAccessibilityInfo
import {useAccessibilityInfo} from '@react-native-community/hooks'
const {
boldTextEnabled,
screenReaderEnabled,
reduceMotionEnabled, // requires RN60 or newer
grayscaleEnabled, // requires RN60 or newer
invertColorsEnabled, // requires RN60 or newer
reduceTransparencyEnabled, // requires RN60 or newer
} = useAccessibilityInfo()
useAppState
AppState will change between one of 'active', 'background', or (iOS) 'inactive' when the app is closed or put into the background.
import {useAppState} from '@react-native-community/hooks'
const currentAppState = useAppState()
useBackHandler
import {useBackHandler} from '@react-native-community/hooks'
useBackHandler(() => {
if (shouldBeHandledHere) {
// handle it
return true
}
// let the default thing happen
return false
})
useImageDimensions
import {useImageDimensions} from '@react-native-community/hooks'
const source = require('./assets/yourImage.png')
// or
const source = {uri: 'https://your.image.URI'}
const {dimensions, loading, error} = useImageDimensions(source)
if (loading || error || !dimensions) {
return null
}
const {width, height, aspectRatio} = dimensions
useKeyboard
import {useKeyboard} from '@react-native-community/hooks'
const keyboard = useKeyboard()
console.log('keyboard isKeyboardShow: ', keyboard.keyboardShown)
console.log('keyboard keyboardHeight: ', keyboard.keyboardHeight)
useInteractionManager
import {useInteractionManager} from '@react-native-community/hooks'
const interactionReady = useInteractionManager()
console.log('interaction ready: ', interactionReady)
useDeviceOrientation
import {useDeviceOrientation} from '@react-native-community/hooks'
const orientation = useDeviceOrientation()
console.log('orientation is:', orientation)
useLayout
import { useLayout } from '@react-native-community/hooks'
const { onLayout, ...layout } = useLayout()
console.log('layout: ', layout)
<View onLayout={onLayout} style={{width: 200, height: 200, marginTop: 30}} />
useRefresh
import { useRefresh } from '@react-native-community/hooks'
const fetch = () => {
return new Promise((resolve) => setTimeout(resolve, 500))
}
const { isRefreshing, onRefresh } = useRefresh(fetch);
<ScrollView
refreshControl= {
<RefreshControl
refreshing={isRefreshing}
onRefresh={onRefresh}
/>
}
/>
Thanks
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Contributors â¨
Thanks goes to these wonderful people (emoji key):
This project follows the all-contributors specification. Contributions of any kind welcome!
Top Related Projects
A framework for building native applications using React
Material Design for React Native (Android & iOS)
A complete native navigation solution for React Native
Routing and navigation for your React Native apps
React Native's Animated library reimplemented
Cross-Platform React Native UI Toolkit
Convert designs to code with AI
Introducing Visual Copilot: A new AI model to turn Figma designs to high quality code using your components.
Try Visual Copilot