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{ | ||
"presets": ["babel-preset-expo"], | ||
"env": { | ||
"development": { | ||
"plugins": ["transform-react-jsx-source"] | ||
} | ||
} | ||
} |
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node_modules/**/* | ||
.expo/* | ||
npm-debug.* |
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{ | ||
"eslint.enable": true | ||
} |
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{} |
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![React Native UI Toolkit](http://i.imgur.com/tqxDeoG.png) | ||
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# React Native Elements App | ||
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## Demo App | ||
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Run the pre built and configured [React Native Elements App]() on Expo which uses all of the React Native Elements components. | ||
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## Get Started | ||
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1. Clone the project | ||
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``` | ||
git clone https://github.com/react-native-training/react-native-elements.git | ||
``` | ||
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2. Open Examples directory | ||
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``` | ||
cd react-native-elements/example | ||
``` | ||
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3. Install dependencies | ||
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``` | ||
yarn | ||
``` | ||
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3. Open app with [Expo Desktop Client](https://docs.expo.io/versions/v16.0.0/index.html) | ||
- If you have never used Expo before, click [here](https://docs.expo.io/versions/v16.0.0/introduction/installation.html) to install it. | ||
- Then create a new account on the Expo Desktop client that you just installed. Follow [this](https://docs.expo.io/versions/v16.0.0/guides/up-and-running.html#create-an-account) if you need help. | ||
- Then click `Project` -> `Open Project` and select the examples folder from Step 2 above. | ||
- Finally run the app on simulator or your device. | ||
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## Docs | ||
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Click [here](https://react-native-training.github.io/react-native-elements/API/buttons/) to view the docs for React Native Elements. | ||
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## Versions: | ||
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- ```"expo": "16.0.0"``` | ||
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- ```"react": "16.0.0-alpha.6"``` | ||
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- ```"react-native": "https://github.com/expo/react-native/archive/sdk-16.0.0.tar.gz"``` | ||
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- ```"react-native-elements": "^0.11.2"``` | ||
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- ```"react-navigation": "^1.0.0-beta.9"``` |
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var _ = require('lodash'); | ||
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import Expo from 'expo'; | ||
import React, { Component } from 'react'; | ||
import { | ||
StyleSheet, | ||
Text, | ||
View, | ||
Animated, | ||
PanResponder, | ||
Dimensions, | ||
Image, | ||
} from 'react-native'; | ||
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const SCREEN_WIDTH = Dimensions.get('window').width; | ||
const SCREEN_HEIGHT = Dimensions.get('window').height; | ||
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const STAR_IMAGE = require('./images/star.png'); | ||
const HEART_IMAGE = require('./images/heart.png'); | ||
const ROCKET_IMAGE = require('./images/rocket.png'); | ||
const BELL_IMAGE = require('./images/bell.png'); | ||
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const STAR_WIDTH = 60; | ||
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const TYPES = { | ||
star: { | ||
source: STAR_IMAGE, | ||
color: '#f1c40f', | ||
backgroundColor: 'white', | ||
}, | ||
heart: { | ||
source: HEART_IMAGE, | ||
color: '#e74c3c', | ||
backgroundColor: 'white', | ||
}, | ||
rocket: { | ||
source: ROCKET_IMAGE, | ||
color: '#2ecc71', | ||
backgroundColor: 'white', | ||
}, | ||
bell: { | ||
source: BELL_IMAGE, | ||
color: '#f39c12', | ||
backgroundColor: 'white', | ||
}, | ||
}; | ||
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export default class Rating extends Component { | ||
static defaultProps = { | ||
type: 'star', | ||
ratingImage: require('./images/star.png'), | ||
ratingColor: '#f1c40f', | ||
ratingBackgroundColor: 'white', | ||
ratingCount: 5, | ||
imageSize: STAR_WIDTH, | ||
onFinishRating: () => console.log('Attach a function here.'), | ||
}; | ||
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constructor(props) { | ||
super(props); | ||
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const { ratings, imageSize, ratingCount, onFinishRating } = this.props; | ||
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const position = new Animated.ValueXY(); | ||
const newValue = new Animated.ValueXY(); | ||
newValue.setValue({ x: 0, y: 500 }); | ||
const max_star_width = ratingCount * imageSize; | ||
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const panResponder = PanResponder.create({ | ||
onStartShouldSetPanResponder: () => true, | ||
onPanResponderMove: (event, gesture) => { | ||
position.setValue({ x: gesture.dx, y: gesture.dy }); | ||
this.setState({ value: gesture.dx }); | ||
}, | ||
onPanResponderRelease: (event, gesture) => { | ||
onFinishRating(this.getCurrentRating()); | ||
}, | ||
}); | ||
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this.state = { panResponder, position }; | ||
} | ||
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getBackgroundViewStyle() { | ||
const { position } = this.state; | ||
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const color = position.x.interpolate({ | ||
inputRange: [-SCREEN_WIDTH / 4, 0, SCREEN_WIDTH / 4], | ||
outputRange: [ | ||
'rgba(231, 76, 60, 1)', | ||
'rgba(46, 204, 113, 1)', | ||
'rgba(255, 0, 255, 1)', | ||
], | ||
}); | ||
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const opacity = position.y.interpolate({ | ||
inputRange: [-SCREEN_HEIGHT, 0, SCREEN_HEIGHT], | ||
outputRange: [0, 1, 0], | ||
}); | ||
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return { | ||
backgroundColor: color, | ||
opacity, | ||
}; | ||
} | ||
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getPrimaryViewStyle() { | ||
const { position } = this.state; | ||
const { ratings, imageSize, ratingCount, type } = this.props; | ||
const max_star_width = ratingCount * imageSize; | ||
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const color = TYPES[type].color; | ||
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const width = position.x.interpolate({ | ||
inputRange: [ | ||
-ratingCount * (imageSize / 2), | ||
0, | ||
ratingCount * (imageSize / 2), | ||
], | ||
outputRange: [0, ratingCount * imageSize / 2, ratingCount * imageSize], | ||
extrapolate: 'clamp', | ||
}); | ||
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return { | ||
backgroundColor: color, | ||
width, | ||
height: width ? imageSize : 0, | ||
}; | ||
} | ||
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getSecondaryViewStyle() { | ||
const { position } = this.state; | ||
const { ratings, imageSize, ratingCount, type } = this.props; | ||
const max_star_width = ratingCount * imageSize; | ||
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const backgroundColor = TYPES[type].backgroundColor; | ||
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const width = position.x.interpolate({ | ||
inputRange: [ | ||
-ratingCount * (imageSize / 2), | ||
0, | ||
ratingCount * (imageSize / 2), | ||
], | ||
outputRange: [ratingCount * imageSize, ratingCount * imageSize / 2, 0], | ||
extrapolate: 'clamp', | ||
}); | ||
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return { | ||
backgroundColor, | ||
width, | ||
height: width ? imageSize : 0, | ||
}; | ||
} | ||
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renderRatings() { | ||
const { ratings, imageSize, ratingCount, type } = this.props; | ||
const source = TYPES[type].source; | ||
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return _(ratingCount).times(index => ( | ||
<View key={index} style={styles.starContainer}> | ||
<Image | ||
source={source} | ||
style={{ width: imageSize, height: imageSize }} | ||
/> | ||
</View> | ||
)); | ||
} | ||
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getCurrentRating() { | ||
const { value } = this.state; | ||
const { imageSize, ratingCount } = this.props; | ||
const startingValue = ratingCount / 2; | ||
let currentRating = 0; | ||
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if (value > ratingCount * imageSize / 2) { | ||
currentRating = ratingCount; | ||
} else if (value > imageSize) { | ||
currentRating = Math.ceil(startingValue + value / imageSize); | ||
} else if (value < -ratingCount * imageSize / 2) { | ||
currentRating = 0; | ||
} else if (value < imageSize) { | ||
currentRating = Math.ceil(startingValue + value / imageSize); | ||
} else { | ||
currentRating = Math.ceil(startingValue); | ||
} | ||
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return currentRating; | ||
} | ||
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displayCurrentRating() { | ||
const { ratingCount, type } = this.props; | ||
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const color = TYPES[type].color; | ||
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return ( | ||
<View style={styles.ratingView}> | ||
<Text style={styles.ratingText}>Rating: </Text> | ||
<Text style={[styles.currentRatingText, { color }]}> | ||
{this.getCurrentRating()} | ||
</Text> | ||
<Text style={styles.maxRatingText}>/{ratingCount}</Text> | ||
</View> | ||
); | ||
} | ||
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render() { | ||
const { | ||
type, | ||
ratingImage, | ||
ratingColor, | ||
ratingBackgroundColor, | ||
style, | ||
showRating, | ||
} = this.props; | ||
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if (type === 'custom') { | ||
custom = { | ||
source: ratingImage, | ||
color: ratingColor, | ||
backgroundColor: ratingBackgroundColor, | ||
}; | ||
TYPES.custom = custom; | ||
} | ||
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return ( | ||
<View style={style}> | ||
{showRating && this.displayCurrentRating()} | ||
<View | ||
style={styles.starsWrapper} | ||
{...this.state.panResponder.panHandlers} | ||
> | ||
<View style={styles.starsInsideWrapper}> | ||
<Animated.View style={this.getPrimaryViewStyle()} /> | ||
<Animated.View style={this.getSecondaryViewStyle()} /> | ||
</View> | ||
{this.renderRatings()} | ||
</View> | ||
</View> | ||
); | ||
} | ||
} | ||
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const styles = StyleSheet.create({ | ||
starsWrapper: { | ||
flexDirection: 'row', | ||
}, | ||
starsInsideWrapper: { | ||
position: 'absolute', | ||
top: 0, | ||
left: 0, | ||
flexDirection: 'row', | ||
}, | ||
ratingView: { | ||
flexDirection: 'row', | ||
justifyContent: 'center', | ||
alignItems: 'center', | ||
paddingBottom: 5, | ||
}, | ||
ratingText: { | ||
fontSize: 15, | ||
textAlign: 'center', | ||
fontFamily: 'Trebuchet MS', | ||
color: '#34495e', | ||
}, | ||
currentRatingText: { | ||
fontSize: 30, | ||
textAlign: 'center', | ||
fontFamily: 'Trebuchet MS', | ||
}, | ||
maxRatingText: { | ||
fontSize: 18, | ||
textAlign: 'center', | ||
fontFamily: 'Trebuchet MS', | ||
color: '#34495e', | ||
}, | ||
}); |
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