Created
May 25, 2016 15:35
-
-
Save mmazzarolo/1bddd15effd68b9eb0dbebfcfc1a9793 to your computer and use it in GitHub Desktop.
React-Native animated modal (supports dismiss on backdrop touch and Android back button )
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import React, { Component, PropTypes } from 'react' | |
import { Dimensions, Modal, StyleSheet } from 'react-native' | |
import { View } from 'react-native-animatable' | |
const DEVICE_WIDTH = Dimensions.get('window').width | |
const DEVICE_HEIGHT = Dimensions.get('window').height | |
const DEFAULT_COLOR = '#001a33' | |
export default class CustomModal extends Component { | |
static propTypes = { | |
visible: PropTypes.bool, | |
children: PropTypes.node, | |
backdropBackground: PropTypes.string | |
} | |
static defaultProps = { | |
visible: false, | |
backdropBackground: DEFAULT_COLOR | |
} | |
constructor (props) { | |
super(props) | |
this.state = { | |
visible: false | |
} | |
} | |
componentWillReceiveProps (nextProps) { | |
if (!this.state.visible && nextProps.visible) { | |
this.setState({ visible: true }) | |
} | |
} | |
componentDidUpdate (prevProps, prevState) { | |
// On modal open request slide the view up and fade in the backdrop | |
if (this.state.visible && !prevState.visible) { | |
this.open() | |
// On modal close request slide the view down and fade out the backdrop | |
} else if (!this.props.visible && prevProps.visible) { | |
this.close() | |
} | |
} | |
open = () => { | |
this.refs.backdrop.transitionTo({ opacity: 0.70 }) | |
this.refs.content.slideInUp(300) | |
} | |
close = () => { | |
this.refs.backdrop.transitionTo({ opacity: 0 }) | |
this.refs.content.slideOutDown(300) | |
.then(() => this.setState({ visible: false })) | |
} | |
render () { | |
const { children, backdropBackground } = this.props | |
const { visible } = this.state | |
return ( | |
<Modal | |
transparent={true} | |
animationType={'none'} | |
{...this.props} | |
visible={visible} | |
onRequestClose={this.close} | |
> | |
<View ref={'backdrop'} style={[styles.backdrop, { backgroundColor: backdropBackground }]} /> | |
<View style={{ flex: 1 }} ref={'content'} onStartShouldSetResponder={this.close}> | |
{children} | |
</View> | |
</Modal> | |
) | |
} | |
} | |
const styles = StyleSheet.create({ | |
backdrop: { | |
top: 0, | |
bottom: 0, | |
left: 0, | |
right: 0, | |
height: DEVICE_HEIGHT, | |
width: DEVICE_WIDTH, | |
position: 'absolute', | |
opacity: 0 | |
} | |
}) |
<CustomModal visible={show the modal?}>
<View>
{my modal content}
<View>
</CustomModal>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Preview: