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Why my react-native-shadow-2 is not working

Why my react-native-shadow-2 is not working ? i have installed npm i react-native-shadow-2 and react-native-svg but still its not working tell how to fix it i have also restarted my project i am using android i have also tried to do npx react-native link but that also did not work you can see whats the problem the shadow i have marked is wrong it should be like this
How its showing currently
my code
import React, { useRef } from 'react'
import {
View,
Text,
Image,
Animated,
FlatList,
} from 'react-native';
import {
Home,
Profile,
Search
} from '../../screens';
import { COLORS, FONTS, SIZES, constants } from '../../constants';
import { Shadow } from 'react-native-shadow-2';
const bottom_tabs = constants.bottom_tabs.map((bottom_tabs) => ({
...bottom_tabs,
ref: React.createRef()
}))
const MainLayout = () => {
const flatListRef = React.useRef()
const scrollX = React.useRef(new Animated.Value(0)).current;
function renderContent() {
return (
<View style={{
flex: 1,
}}
>
<Animated.FlatList
ref={flatListRef}
horizontal
pagingEnabled
snapToAlignment="center"
snapToInterval={SIZES.width}
decelerationRate="fast"
showsHorizontalScrollIndicator={false}
data={constants.bottom_tabs}
keyExtractor={item => `Main-${item.id}`}
onScroll={
Animated.event([
{ nativeEvent: { contentOffset: { x: scrollX } } }
], {
useNativeDriver: false
})
}
renderItem={({ item, index }) => {
return (
<View
style={{
height: SIZES.height,
width: SIZES.width
}}
>
{item.label == constants.screens.home && <Home />}
{item.label == constants.screens.search && <Search />}
{item.label == constants.screens.profile && <Profile />}
</View>
)
}}
/>
</View>
)
}
function renderBottonTab() {
return (
<View
style={{
marginBottom: 20,
paddingHorizontal: SIZES.padding,
paddingVertical: SIZES.radius
}}
>
<Shadow size={[SIZES.width - (SIZES.padding * 2), 85]}>
<View
style={{
flex: 1,
borderRadius: SIZES.radius,
backgroundColor: COLORS.primary3
}}
>
</View>
</Shadow>
</View>
)
}
return (
<View
style={{
flex: 1,
backgroundColor: COLORS.white,
}}
>
{/* Content */}
{renderContent()}
{/* Bottom Tab */}
{renderBottonTab()}
</View>
)
}
export default MainLayout;

Redux Toolkit Query not fetching data

I am trying to fetch data with RTK Query in next.js project and everything were fine until I had to fetch some more data from /api/exams endpoint. I have fetched almost everything from that endpoint and i know that's working fine but i still can't fetch some data from it. I'll provide screenshots of all code that's related to it. ok so here is the code where endpoints are:
Then let's continue with exams-response where i define body of endpoint:
Now I will provide code in my custom hook where i import that data from api/exams endpoint query:
And now i will show code of the actual page where i use them and where i think problem may lie also with another file which i will provide after this:
import { memo } from "react"
import { useIntl } from "react-intl"
import Stack from "#mui/material/Stack"
import Typography from "#mui/material/Typography"
import { ExamoTypesEnum } from "src/common/types/examo-types-enum"
import { rolesEnum } from "src/core/roles-enum"
import { useExamAssign } from "src/features/exams/hooks/use-exam-assign"
import { useExams } from "src/features/exams/hooks/use-exams"
import { useStartExam } from "src/features/exams/hooks/use-start-exam"
import { useIsMobile } from "src/helpers/use-is-mobile"
import { useAppSelector } from "src/redux/hooks"
import { ExamoCard } from "src/ui/examo/examo-card"
import { ExamoCardsGrid } from "src/ui/examo/examo-cards-grid"
import { ExamoHeader } from "src/ui/examo/examo-header"
import { CustomizedDialogs } from "src/ui/filter"
import { LoadingSpinner } from "src/ui/loading-spinner"
import { styled } from "src/ui/theme"
import { UnauthenticatedComponent } from "src/ui/unauthenticated"
import { useTags } from "../tags/hooks/use-tags"
import { useActiveExamQuery } from "./api"
const Ourbox = styled.div`
display: flex;
justify-content: space-between;
`
export const ExamsPage = memo(() => {
const isMobile = useIsMobile()
const userRole = useAppSelector((state) => state.auth.role)
const intl = useIntl()
const {
exams,
isLoadingExams,
selectedTags,
setSelectedTags,
checkedFilterTags,
setCheckedFilterTags,
} = useExams()
const { availableTags } = useTags()
const isLoadingAnExam = useAppSelector((state) => state.exam.isLoadingAnExam)
const { startAsync } = useStartExam()
const { data: activeExam, isFetching: isFetchingActiveExam } =
useActiveExamQuery(undefined, { refetchOnMountOrArgChange: 1 })
if (userRole === rolesEnum.None) {
return <UnauthenticatedComponent />
}
return (
<Stack sx={{ paddingX: isMobile ? 3 : "10vw", paddingY: 4 }} gap={4}>
<Ourbox>
<ExamoHeader
header={intl.formatMessage({
id: "exams-header",
defaultMessage: "Choose your exam",
})}
subtitle={intl.formatMessage({
id: "exams-header-subtitle",
defaultMessage:
"Our operators make quizzes and tests to help you upgrade and test your skills.",
})}
/>
<CustomizedDialogs
id="exams-page-filter"
selectedTags={selectedTags}
setSelectedTags={setSelectedTags}
availableTags={availableTags || []}
checkedFilterTags={checkedFilterTags}
setCheckedFilterTags={setCheckedFilterTags}
/>
</Ourbox>
{isLoadingExams && <LoadingSpinner />}
{!isLoadingExams && (!exams || exams.length === 0) && (
<Typography>
{intl.formatMessage({
id: "no-exams-available",
defaultMessage: "No exams available",
})}
</Typography>
)}
{exams && exams.length > 0 && (
<ExamoCardsGrid>
{exams.map((exam) => (
<ExamoCard
key={exam.id}
type={ExamoTypesEnum.EXAM}
useAssign={useExamAssign}
isStartButtonDisabled={
isLoadingAnExam ||
isFetchingActiveExam ||
(activeExam?.exam?.id !== undefined &&
exam.id !== activeExam.exam.id)
}
isResuming={
activeExam?.exam?.id !== undefined &&
exam.id === activeExam.exam.id
}
handleStart={() => startAsync(exam.id)}
isLoading={isLoadingAnExam}
title={exam.title}
duration={exam.duration}
tags={[
...new Set(exam.templates?.flatMap((et) => et.tags) || []),
]}
numberOfQuestions={exam.templates.reduce(
(total, current) => total + current.numberOfQuestions,
0,
)}
deadline-start={exam["deadline-start"]}
deadline-end={exam["deadline-end"]}
i={exam.id}
/>
))}
</ExamoCardsGrid>
)}
</Stack>
)
})
and the last one which is as mapped through in above the code. so it's :
import { memo } from "react"
import * as React from "react"
import { useIntl } from "react-intl"
import AccessTimeIcon from "#mui/icons-material/AccessTime"
import ExpandMoreIcon from "#mui/icons-material/ExpandMore"
import MoreHorizIcon from "#mui/icons-material/MoreHoriz"
import Box from "#mui/material/Box"
import Card from "#mui/material/Card"
import MuiChip from "#mui/material/Chip"
import Collapse from "#mui/material/Collapse"
import Grid from "#mui/material/Grid"
import IconButton, { IconButtonProps } from "#mui/material/IconButton"
import Stack from "#mui/material/Stack"
import { styled } from "#mui/material/styles"
import Typography from "#mui/material/Typography"
import { ExamoTypesEnum } from "src/common/types/examo-types-enum"
import { useAssignType } from "src/common/types/use-assign-type"
import { useAppSelector } from "src/redux/hooks"
import { ExamoAssignTo } from "src/ui/examo/examo-assign-to"
import { ExamoStartDialogBtn } from "src/ui/examo/examo-start-btn"
interface props {
duration: string | null
title: string
tags: string[] | null
numberOfQuestions: number | null
isLoading: boolean
handleStart: () => void
useAssign: useAssignType
isStartButtonDisabled: boolean
isResuming: boolean
type: ExamoTypesEnum
i: number
"deadline-start": string
"deadline-end": string
}
export const ExamoCard = memo(
({
duration,
tags,
title,
isLoading,
numberOfQuestions,
isStartButtonDisabled,
isResuming,
type,
handleStart,
useAssign,
i,
"deadline-end": deadlineEnd,
"deadline-start": deadlineStart,
}: props) => {
console.log(deadlineStart)
const intl = useIntl()
const user = useAppSelector((state) => state.auth)
const durationHours = duration?.split(":")[0]
const durationMinutes = duration?.split(":")[1]
// const [expanded, setExpanded] = React.useState(false)
const [expandedId, setExpandedId] = React.useState(-1)
// const handleExpandClick = () => {
// setExpanded(!expanded)
// }
const handleExpandClick = (i: number) => {
setExpandedId(expandedId === i ? -1 : i)
}
const preventParentOnClick = (event: React.MouseEvent<HTMLElement>) => {
event.stopPropagation()
}
interface ExpandMoreProps extends IconButtonProps {
expand: boolean
}
const ExpandMore = styled((props: ExpandMoreProps) => {
const { expand, ...other } = props
return <IconButton {...other} />
})(({ theme, expand }) => ({
transform: !expand ? "rotate(0deg)" : "rotate(180deg)",
transition: theme.transitions.create("transform", {
duration: theme.transitions.duration.shortest,
}),
}))
return (
<Grid item xs={12} lg={6}>
<Card
onClick={() => handleExpandClick(i)}
aria-expanded={expandedId === i}
elevation={2}
sx={{
padding: "1rem",
height: "100%",
borderRadius: "1rem",
border: "solid 1px var(--palette-grey-400)",
transition: "all 0.1s ease-in-out",
":hover": {
backgroundColor: "var(--palette-grey-100)",
cursor: "pointer",
},
}}
>
<Stack direction="row" justifyContent="space-between">
<Stack
gap={numberOfQuestions ? 1.5 : 6}
sx={{
width: "100%",
}}
>
<Stack
direction="row"
sx={{
justifyContent: "space-between",
}}
>
<Typography
variant="h5"
sx={{ whiteSpace: "pre-wrap", wordBreak: "break-all" }}
>
{title}
</Typography>
<ExpandMore expand={expandedId === i}>
<ExpandMoreIcon />
</ExpandMore>
<Stack
direction="row"
gap={1}
sx={{
justifyContent: "flex-end",
alignItems: "center",
marginTop: "-1.75rem",
}}
>
<AccessTimeIcon />
<Typography
whiteSpace="nowrap"
variant="h6"
>{`${durationHours}h ${durationMinutes}m`}</Typography>
</Stack>
</Stack>
<Collapse in={expandedId === i} timeout="auto" unmountOnExit>
<Stack direction="row" gap={4}>
{numberOfQuestions && (
<Typography variant="h6">
{`${numberOfQuestions} ${intl.formatMessage({
id: "questions",
defaultMessage: "Questions",
})}`}
</Typography>
)}
</Stack>
<Stack
direction="row"
sx={{ flexWrap: "wrap", gap: 1, marginTop: "1rem" }}
>
{tags?.map((t, index) => (
<MuiChip
key={index}
label={t}
variant="filled"
sx={{ fontWeight: "bold" }}
color="secondary"
size="small"
/>
))}
</Stack>
</Collapse>
</Stack>
<Stack
sx={{ marginTop: "-0.5rem" }}
justifyContent="space-between"
alignItems="center"
spacing={user.role === "Operator" ? 0.1 : 1}
>
<MoreHorizIcon sx={{ marginLeft: "2rem" }} />
<Box onClick={preventParentOnClick}>
<Stack sx={{ marginLeft: "1.5rem" }}>
{user.role === "Operator" && (
<ExamoAssignTo useAssign={useAssign} title={title} />
)}
</Stack>
</Box>
<Box onClick={preventParentOnClick}>
<ExamoStartDialogBtn
type={type}
isResuming={isResuming}
handleStart={handleStart}
isLoading={isLoading}
isDisabled={isStartButtonDisabled}
/>
</Box>
</Stack>
</Stack>
</Card>
</Grid>
)
},
)
To sum up guys, I want to also fetch deadlineStart and deadlineEnd but i can't. I think problem is in last file or second to last, because maybe am not defining them properly in interface props in last code. And also i almost forgot to mention that when I try to console.log(deadlineStart) in the last code it says undefined in the browser. Edited Network Pic :
here is screenshot when i console log single exams :

React Navigation "navigation.navigate" in other js file "undefined is not an object"

I experienced React before and trying to learn React Native so here is my problem about react-navigation
I have some separated class or js files for react-navigation
main.js
type Props = {};
class Main extends Component<Props> {
componentDidMount() {
SplashScreen.hide();
}
render() {
return (
<Container>
<MainPostsList />
</Container>
)
}
};
const Stack = createStackNavigator();
//its not a class for this navigation thing
function App() {
return (
<NavigationContainer>
<Stack.Navigator initialRouteName="Home">
<Stack.Screen name="Home" component={Main} />
<Stack.Screen name="Post" component={PostsPage} />
</Stack.Navigator>
</NavigationContainer>
)
}
export default App;
postlist.js
export default class MainPostLists extends Component {
constructor(props) {
super(props);
this.state = {
isLoading: true,
data: [],
}
}
componentDidMount() {
getMainPosts().then(data => {
this.setState({
isLoading: false,
data: data
})
}, error => {
Alert.alert('An error has occurred', 'Please try again later.')
})
}
render() {
console.log(this.state.data.data);
let view = this.state.isLoading ? (
<View>
<ActivityIndicator animating={this.state.isLoading} size={"large"} style={{paddingTop: 40}} />
</View>
) : (
<List
dataArray={this.state.data.data}
renderRow={(item) => {
return <MenuPostItem data={item} />
}} />
)
return (
<Container>
<Content>
{view}
</Content>
</Container>
)
}
}
postlistitem.js
export default class MenuPostItem extends Component {
constructor(props) {
super(props);
this.data = props.data;
}
render() {
console.log(this.data)
const goToPostPage = (postlink) => {
console.log("Going to Post Page " + postlink);
this.props.navigation.navigate('Post')
};
return (
<ListItem button onPress={() => {goToPostPage(this.data.postlink)}} onLongPress>
<Left>
{this.data.type === 'video' ? (
<Thumbnail style={{ width: 150, height: 84, borderRadius: 0 }} source={{
uri: `http://` + hostname + `:5000/media/streamimage?src=${this.data.media.videothumbsrc}`
//uri: ImageThumbTest
}} />
) : (null)}
{this.data.type === 'text' ? (
<Thumbnail style={{ width: 150, height: 84, borderRadius: 0 }} />,
<Text style={{paddingLeft: 40, paddingRight: 40}}>Text Post</Text>
) : (null)}
</Left>
<Body>
<Text>{this.data.title}</Text>
<Text note numberOfLines={3}>{this.data.description}</Text>
</Body>
</ListItem>
)
}
}
this error appears on Android as I click on an item from the list:
it was supposed to go to a post dynamic page

MenuPostItem doesn't have any access to navigation props.
Here how you get access to navigation props
Passing the navigation prop to MenuPostItem from MainPostLists component
<List
dataArray={this.state.data.data}
renderRow={(item) => {
return <MenuPostItem data={item} navigation={this.props.navigation} />;
}}
/>;
Using useNavigation hooks (you need to change your MenuPostItem to the functional component to use useNavigation hook)
a minimal example
import * as React from "react";
import { Button } from "react-native";
import { useNavigation } from "#react-navigation/native";
function MenuPostItem() {
const navigation = useNavigation();
return (
<Button
title="go to post"
onPress={() => {
navigation.navigate("Post");
}}
/>
);
}
learn more about useNavigation

create a function for list items like below
const MenuPostItem = ({data, onPress}) = > {
return (
<ListItem button onPress={() => onPress('Post')}>
<Left>
{data.type === 'video' ? (
<Thumbnail
style={{ width: 150, height: 84, borderRadius: 0 }}
source={{uri: `http://` + hostname + `:5000/media/streamimage?src=${data.media.videothumbsrc}`}}
/>
) : (null)}
{data.type === 'text' ? (
<Thumbnail style={{ width: 150, height: 84, borderRadius: 0 }} />,
<Text style={{paddingLeft: 40, paddingRight: 40}}>Text Post</Text>
) : (null)}
</Left>
<Body>
<Text>{data.title}</Text>
<Text note numberOfLines={3}>{data.description}</Text>
</Body>
</ListItem>
)}
export default MenuPostItem;
and then in your MainPostLists.js file -
<List
dataArray={this.state.data.data}
renderRow={(item) => {
return <MenuPostItem data={item} navigation={this.props.navigation.navigate} />;
}}
/>;

React-images carousel

I am trying to achieve an image/video carousel using https://jossmac.github.io/react-images/
and it should be like this including modal :
I following the code snippet given there but it's not working and I don't see any step by step guide to making that carousel.
class Gall extends Component {
state = { modalIsOpen: false }
toggleModal = () => {
this.setState(state => ({ modalIsOpen: !state.modalIsOpen }));
}
render() {
const { modalIsOpen } = this.state;
return (
<ModalGateway>
{modalIsOpen ? (
<Modal onClose={this.toggleModal}>
<Carousel views={images} />
</Modal>
) : null}
</ModalGateway>
);
}
}
export default Gall;
can anyone please help with a codesandbox?
Also is it possible to trigger the modal with the current active image?
Thanks in advance.

There is a link in their docs to the source
// #flow
// #jsx glam
import glam from 'glam';
import React, { Component, Fragment } from 'react';
import { type ProviderProps } from '../../ImageProvider';
import Carousel, { Modal, ModalGateway } from '../../../src/components';
import { FooterCaption } from '../components';
import { getAltText } from '../formatters';
type State = {
selectedIndex?: number,
lightboxIsOpen: boolean,
};
export default class Home extends Component<ProviderProps, State> {
state = {
selectedIndex: 0,
lightboxIsOpen: false,
};
toggleLightbox = (selectedIndex: number) => {
this.setState(state => ({
lightboxIsOpen: !state.lightboxIsOpen,
selectedIndex,
}));
};
render() {
const { images, isLoading } = this.props;
const { selectedIndex, lightboxIsOpen } = this.state;
return (
<Fragment>
{!isLoading ? (
<Gallery>
{images.map(({ author, caption, source }, j) => (
<Image onClick={() => this.toggleLightbox(j)} key={source.thumbnail}>
<img
alt={caption}
src={source.thumbnail}
css={{
cursor: 'pointer',
position: 'absolute',
maxWidth: '100%',
}}
/>
</Image>
))}
</Gallery>
) : null}
<ModalGateway>
{lightboxIsOpen && !isLoading ? (
<Modal onClose={this.toggleLightbox}>
<Carousel
components={{ FooterCaption }}
currentIndex={selectedIndex}
formatters={{ getAltText }}
frameProps={{ autoSize: 'height' }}
views={images}
/>
</Modal>
) : null}
</ModalGateway>
</Fragment>
);
}
}
const gutter = 2;
const Gallery = (props: any) => (
<div
css={{
overflow: 'hidden',
marginLeft: -gutter,
marginRight: -gutter,
}}
{...props}
/>
);
const Image = (props: any) => (
<div
css={{
backgroundColor: '#eee',
boxSizing: 'border-box',
float: 'left',
margin: gutter,
overflow: 'hidden',
paddingBottom: '16%',
position: 'relative',
width: `calc(25% - ${gutter * 2}px)`,
':hover': {
opacity: 0.9,
},
}}
{...props}
/>
);

How to make AppBar component from material-ui-next react to scroll events

As per Material Design guidelines:
Upon scrolling, the top app bar can […] transform in the following ways:
- Scrolling upward hides the top app bar
- Scrolling downward reveals the top app bar
When the top app bar scrolls, its elevation above other elements becomes apparent.
Is there any built-in approach to do this in material-ui-next or should it be considered as a new feature? Can you give a hint on how to achieve the animation of the AppBar component as described in the guidelines?

To my knowledge, there's no out-of-the-box solution for this at the moment. It's quite easy to implement though. Here is a snippet that subscribes to scroll events and hides or shows the AppBar accordingly:
const styles = {
root: {
flexGrow: 1,
},
show: {
transform: 'translateY(0)',
transition: 'transform .5s',
},
hide: {
transform: 'translateY(-110%)',
transition: 'transform .5s',
},
};
class CollapsibleAppBar extends React.PureComponent {
constructor(props) {
super(props);
this.state = {
shouldShow: null,
};
this.lastScroll = null;
this.handleScroll = this.handleScroll.bind(this);
// Alternatively, you can throttle scroll events to avoid
// updating the state too often. Here using lodash.
// this.handleScroll = _.throttle(this.handleScroll.bind(this), 100);
}
componentDidMount() {
window.addEventListener('scroll', this.handleScroll, { passive: true });
}
componentWillUnmount() {
window.removeEventListener('scroll', this.handleScroll);
}
handleScroll(evt) {
const lastScroll = window.scrollY;
if (lastScroll === this.lastScroll) {
return;
}
const shouldShow = (this.lastScroll !== null) ? (lastScroll < this.lastScroll) : null;
if (shouldShow !== this.state.shouldShow) {
this.setState((prevState, props) => ({
...prevState,
shouldShow,
}));
}
this.lastScroll = lastScroll;
}
render() {
const { classes } = this.props;
return (
<AppBar
position="fixed"
color="default"
className={
`${classes.root} ${
this.state.shouldShow === null ? '' : (
this.state.shouldShow ? classes.show : classes.hide
)
}`
}
>
<Toolbar>
<Typography variant="title" color="inherit">
Title
</Typography>
</Toolbar>
</AppBar>
);
}
}
CollapsibleAppBar.propTypes = {
classes: PropTypes.object.isRequired,
};
export default withStyles(styles)(CollapsibleAppBar);

For those who are still looking for built-in feature, Hide appbar on scroll is available in material-ui.

in the current version of Material-ui, you can simply use the following
import clsx from "clsx";
import useScrollTrigger from "#material-ui/core/useScrollTrigger";
const trigger = useScrollTrigger();
<AppBar className={trigger ? classes.show : classes.hide}>
</AppBar>
https://material-ui.com/components/app-bar/#usescrolltrigger-options-trigger

this seem to work for me
import {
useScrollTrigger,
Fab,
Zoom,
} from '#mui/material';
...
function ElevationScroll(props) {
const { children } = props;
const theme = useTheme();
const trigger = useScrollTrigger({
disableHysteresis: true,
threshold: 0,
});
return React.cloneElement(children, {
sx: trigger
? {
bgcolor: theme.palette.primary.dark,
'transition-duration': '500ms',
'transition-property':
'padding-top, padding-bottom, background-color',
'transition-timing-function': 'ease-in-out',
}
: {
pt: 2,
pb: 2,
bgcolor: theme.palette.primary.main,
},
elevation: trigger ? 5 : 0,
});
}
function ScrollTop(props) {
const { children } = props;
const trigger = useScrollTrigger({
disableHysteresis: true,
threshold: 200,
});
const handleClick = (event) => {
const anchor = (event.target.ownerDocument || document).querySelector(
'#back-to-top-anchor'
);
if (anchor) {
anchor.scrollIntoView({
behavior: 'smooth',
block: 'center',
});
}
};
return (
<Zoom in={trigger}>
<Box
onClick={handleClick}
role="presentation"
sx={{ position: 'fixed', bottom: 16, right: 16, zIndex: 1 }}
>
{children}
</Box>
</Zoom>
);
}
...
return (
<React.Fragment>
<ElevationScroll {...props}>
<AppBar position="sticky">
...
</AppBar>
</ElevationScroll>
<Toolbar
id="back-to-top-anchor"
className="_Toolbar"
sx={{
minHeight: '0 !important',
}}
/>
<ScrollTop {...props}>
<Fab color="secondary" size="small" aria-label="scroll back to top">
<KeyboardArrowUpIcon />
</Fab>
</ScrollTop>
</React.Fragment>

this seem to work for me
import {
useScrollTrigger,
Fab,
Zoom,
} from '#mui/material';
...
function ElevationScroll(props) {
const { children } = props;
const theme = useTheme();
const trigger = useScrollTrigger({
disableHysteresis: true,
threshold: 0,
});
return React.cloneElement(children, {
sx: trigger
? {
bgcolor: theme.palette.primary.dark,
'transition-duration': '500ms',
'transition-property':
'padding-top, padding-bottom, background-color',
'transition-timing-function': 'ease-in-out',
}
: {
pt: 2,
pb: 2,
bgcolor: theme.palette.primary.main,
},
elevation: trigger ? 5 : 0,
});
}
function ScrollTop(props) {
const { children } = props;
const trigger = useScrollTrigger({
disableHysteresis: true,
threshold: 200,
});
const handleClick = (event) => {
const anchor = (event.target.ownerDocument || document).querySelector(
'#back-to-top-anchor'
);
if (anchor) {
anchor.scrollIntoView({
behavior: 'smooth',
block: 'center',
});
}
};
return (
<Zoom in={trigger}>
<Box
onClick={handleClick}
role="presentation"
sx={{ position: 'fixed', bottom: 16, right: 16, zIndex: 1 }}
>
{children}
</Box>
</Zoom>
);
}
...
return (
<React.Fragment>
<ElevationScroll {...props}>
<AppBar position="sticky">
...
</AppBar>
</ElevationScroll>
<Toolbar
id="back-to-top-anchor"
className="_Toolbar"
sx={{
minHeight: '0 !important',
}}
/>
<ScrollTop {...props}>
<Fab color="secondary" size="small" aria-label="scroll back to top">
<KeyboardArrowUpIcon />
</Fab>
</ScrollTop>
</React.Fragment>
https://mui.com/components/app-bar/#usescrolltrigger-options-trigger