Created
January 3, 2018 07:03
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Animated Text component which uses onLayout self measurement and animates based on animationRange
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import React from 'react'; | |
import { StyleSheet, Text, View, Animated } from 'react-native'; | |
import {withSelfMeasure} from './utils/selfMeasureBehavior'; | |
import {compose} from 'recompose'; | |
import buildTransform from './utils/buildTransform'; | |
const AnimatedText = ({ | |
animationRange, | |
onLayoutSetMeasurements, | |
elementX, | |
elementY, | |
elementHeight, | |
elementWidth,}) => { | |
const animateText = buildTransform(animationRange, elementX, elementY, elementHeight, elementWidth, 20, 70, 0.7); | |
const animateOpacity = { | |
opacity: animationRange.interpolate({ | |
inputRange: [0, 0.9, 1], | |
outputRange: [1, 0, 1], | |
}), | |
}; | |
return ( | |
<Animated.Text | |
style={[styles.text, animateText, animateOpacity]} | |
onLayout={event => onLayoutSetMeasurements(event)} > | |
This is Animated Text | |
</Animated.Text> | |
) | |
} | |
const styles = StyleSheet.create({ | |
text: { | |
fontSize: 20, | |
color: '#696969', | |
fontWeight: 'bold' | |
} | |
}); | |
const enhance = compose(withSelfMeasure); | |
export default enhance(AnimatedText); |
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