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@aofleejay
Last active February 23, 2018 09:18
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Try React-Native Gesture
import React from 'react'
import { StyleSheet, Text, View, PanResponder } from 'react-native'
export default class App extends React.Component {
state = {
top: 0,
left: 0,
topTransition: 0,
leftTransition: 0,
}
componentWillMount() {
this.panResponder = PanResponder.create({
onStartShouldSetPanResponder: (e, gestureState) => {
return true
},
onPanResponderMove: (e, gestureState) => {
const { dy, dx } = gestureState
this.setState({
topTransition: dy,
leftTransition: dx,
})
},
onPanResponderRelease: (e, gestureState) => {
const { top, left } = this.state
const { dy, dx } = gestureState
this.setState({
top: top + dy,
left: left + dx,
topTransition: 0,
leftTransition: 0,
})
}
})
}
render() {
const { top, left, topTransition, leftTransition } = this.state
const style = {
top: top + topTransition,
left: left + leftTransition,
}
return (
<View
{...this.panResponder.panHandlers}
style={[styles.box, style]}
>
<Text>DRAG ME</Text>
</View>
)
}
}
const styles = StyleSheet.create({
box: {
position: 'absolute',
backgroundColor: 'salmon',
width: 100,
height: 100,
justifyContent: 'center',
alignItems: 'center',
},
})
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