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Problem With Animation
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| import React, { Component } from 'react'; | |
| import { | |
| View, | |
| StyleSheet, | |
| Modal, | |
| Keyboard, | |
| KeyboardAvoidingView, | |
| Animated, | |
| TouchableWithoutFeedback, | |
| Easing | |
| } from 'react-native'; | |
| import { globalStyles } from '../globals/styles'; | |
| import { RkButton } from 'react-native-ui-kitten'; | |
| import { WebViewQuillEditor } from 'react-native-webview-quilljs'; | |
| import StoryHeaderDisplay from './StoryHeaderDisplay'; | |
| import ModalTitle from './ModalTitle'; | |
| import ModalHR from './ModalHR'; | |
| const ANIMATION_DURATION = 1000; | |
| // TODO: replace all animation durations with a number that is the same as the keyboard | |
| // show and hide animation durations | |
| class Modal_WriteReview extends Component { | |
| constructor(props) { | |
| super(props); | |
| this.keyboardHeight = new Animated.Value(0); | |
| this.imageHeight = new Animated.Value(100); | |
| this.state = { | |
| footerHeight: null, | |
| headerHeight: null, | |
| initialHeaderLayoutInfo: null, | |
| initialFooterLayoutInfo: null, | |
| }; | |
| } | |
| componentWillMount() { | |
| this.keyboardWillShowSub = Keyboard.addListener('keyboardWillShow', this.keyboardAppears); | |
| this.keyboardWillHideSub = Keyboard.addListener('keyboardWillHide', this.keyboardDisappears); | |
| this.keyboardDidShow = Keyboard.addListener('keyboardDidShow', this.keyboardAppears); | |
| this.keyboardDidHide = Keyboard.addListener('keyboardDidHide', this.keyboardDisappears); | |
| } | |
| componentWillUnmount() { | |
| this.keyboardWillShowSub.remove(); | |
| this.keyboardWillHideSub.remove(); | |
| this.keyboardDidShow.remove(); | |
| this.keyboardDidHide.remove(); | |
| } | |
| keyboardAppears = event => { | |
| Animated.parallel([ | |
| Animated.timing(this.state.headerHeight, { | |
| duration: ANIMATION_DURATION, | |
| toValue: 0.01, | |
| easing:Easing.linear | |
| }), | |
| Animated.timing(this.state.footerHeight, { | |
| duration: ANIMATION_DURATION, | |
| toValue: 0.01, | |
| easing: Easing.linear | |
| }), | |
| ]).start(); | |
| }; | |
| keyboardDisappears = event => { | |
| Animated.parallel([ | |
| Animated.timing(this.state.headerHeight, { | |
| duration: ANIMATION_DURATION, | |
| toValue: this.state.initialHeaderLayoutInfo.height, | |
| easing: Easing.linear | |
| }), | |
| Animated.timing(this.state.footerHeight, { | |
| duration: ANIMATION_DURATION, | |
| toValue: this.state.initialFooterLayoutInfo.height, | |
| easing: Easing.linear | |
| }), | |
| ]).start(); | |
| }; | |
| onDeltaChangeCallback = () => { | |
| debugger; | |
| }; | |
| setInitialHeaderLayoutInfo = ({ nativeEvent: { layout: { x, y, width, height } = {} } = {} }) => { | |
| this.setState({ | |
| initialHeaderLayoutInfo: { | |
| x, | |
| y, | |
| width, | |
| height, | |
| }, | |
| headerHeight: new Animated.Value(height), | |
| }); | |
| }; | |
| setInitialFooterLayoutInfo = ({ nativeEvent: { layout: { x, y, width, height } = {} } = {} }) => { | |
| this.setState({ | |
| initialFooterLayoutInfo: { | |
| x, | |
| y, | |
| width, | |
| height, | |
| }, | |
| footerHeight: new Animated.Value(height), | |
| }); | |
| }; | |
| onTouchablePressed = () => { | |
| console.log('touchable pressed'); | |
| }; | |
| render() { | |
| console.log('header = ', this.state.headerHeight, '\nfooter = ',this.state.footerHeight); | |
| if (this.props.visible) { | |
| return ( | |
| <KeyboardAvoidingView style={styles.container} behavior="padding"> | |
| <Modal | |
| animationType={'slide'} | |
| transparent={true} | |
| visible={this.props.visible} | |
| onRequestClose={this.props.onClose}> | |
| <View style={styles.modalBackground}> | |
| <View style={styles.modalOverlay}> | |
| <View | |
| style={{ | |
| display: 'flex', | |
| justifyContent: 'space-between', | |
| ...StyleSheet.absoluteFillObject, | |
| padding: 10, | |
| }}> | |
| <Animated.View | |
| id="header" | |
| ref={component => { | |
| this.header = component; | |
| }} | |
| style={{height: this.state.headerHeight ? this.state.headerHeight : 'auto'}} | |
| onLayout={this.setInitialHeaderLayoutInfo}> | |
| <ModalTitle text="Write Review" /> | |
| <ModalHR /> | |
| <StoryHeaderDisplay {...this.props.header} showDescription={false} /> | |
| </Animated.View> | |
| <View style={{ flex: 1 }}> | |
| <WebViewQuillEditor | |
| ref={component => (this.webViewQuillEditor = component)} | |
| getDeltaCallback={this.getDeltaCallback} | |
| onDeltaChangeCallback={this.onDeltaChangeCallback} | |
| /> | |
| </View> | |
| <Animated.View | |
| id="footer" | |
| ref={component => { | |
| this.footer = component; | |
| }} | |
| style={{ | |
| height: this.state.footerHeight ? this.state.footerHeight : 'auto', | |
| }} | |
| onLayout={this.setInitialFooterLayoutInfo}> | |
| <View style={styles.buttonPadder}> | |
| <RkButton onPress={this.props.onClose} rkType="success stretch"> | |
| Save Review | |
| </RkButton> | |
| </View> | |
| <ModalHR /> | |
| <View style={styles.footerButtonContainer}> | |
| <View style={styles.buttonPadder}> | |
| <RkButton onPress={this.props.onClose} rkType="stretch danger"> | |
| Close | |
| </RkButton> | |
| </View> | |
| </View> | |
| </Animated.View> | |
| </View> | |
| </View> | |
| </View> | |
| </Modal> | |
| </KeyboardAvoidingView> | |
| ); | |
| } else { | |
| return null; | |
| } | |
| } | |
| } | |
| export default Modal_WriteReview; | |
| const styles = StyleSheet.create({ | |
| ...globalStyles, | |
| modalBackground: { | |
| flex: 1, | |
| flexGrow: 1, | |
| backgroundColor: 'rgba(255, 255, 255, 0.7)', | |
| }, | |
| modalOverlay: { | |
| flex: 1, | |
| flexGrow: 1, | |
| alignItems: 'center', | |
| backgroundColor: 'rgba(0, 0, 0, 0.7)', | |
| marginHorizontal: 20, | |
| borderRadius: 5, | |
| flexDirection: 'column', | |
| paddingHorizontal: 10, | |
| padding: 15, | |
| marginVertical: 25, | |
| }, | |
| }); |
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