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App.js
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App.js
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import React, { useState, useEffect } from 'react';
import {
StyleSheet,
View,
Animated,
FlatList,
} from 'react-native';
import Store from './components/Store';
import { MapsComponent } from './components/MapsComponent';
import { CARD_WIDTH } from './components/Store';
const AnimatedFlatList = Animated.createAnimatedComponent(FlatList);
const Locations = [
{
"name" : "Bakery Bread Man",
"image" : "https://cdn.pixabay.com/photo/2016/11/30/14/08/cafe-1872888_960_720.jpg",
"lat" : 4.696005,
"lon" : -74.040355
},
{
"name" : "House Coffee",
"image" : "https://cdn.pixabay.com/photo/2015/05/15/14/55/cafe-768771_960_720.jpg",
"lat" : 4.697481,
"lon" : -74.034980
},
{
"name" : "Deluxe Restaurant",
"image" : "https://cdn.pixabay.com/photo/2015/04/20/13/30/kitchen-731351_960_720.jpg",
"lat" : 4.690990,
"lon" : -74.041589
},
{
"name" : "Breakfast House",
"image" : "https://cdn.pixabay.com/photo/2015/03/26/09/42/breakfast-690128_960_720.jpg",
"lat" : 4.698775,
"lon" : -74.040205
},
{
"name" : "Bread Man Bakery",
"image" : "https://cdn.pixabay.com/photo/2016/11/30/14/08/cafe-1872888_960_720.jpg",
"lat" : 4.694487,
"lon" : -74.042319
},
{
"name" : "Dream Coffee",
"image" : "https://cdn.pixabay.com/photo/2015/05/15/14/55/cafe-768771_960_720.jpg",
"lat" : 4.697973,
"lon" : -74.041235
},
{
"name" : "Home Restaurent",
"image" : "https://cdn.pixabay.com/photo/2015/04/20/13/30/kitchen-731351_960_720.jpg",
"lat" : 4.693739,
"lon" : -74.038006
},
{
"name" : "House Breakfast",
"image" : "https://cdn.pixabay.com/photo/2015/03/26/09/42/breakfast-690128_960_720.jpg",
"lat" : 4.698775,
"lon" : -74.040205
}
];
const App = () => {
const [ longitude, setLongitude ] = useState(0);
const [ latitude, setLatitude ] = useState(0);
const [ offsetStart, setOffsetStart ] = useState(0);
const [ index, setIndex ] = useState(0)
const x = new Animated.Value(0);
const updatePosition = (index) => {
setLatitude(Locations[index].lat);
setLongitude(Locations[index].lon);
}
useEffect(() => {
updatePosition(0)
}, [])
const updateState = (event) => {
let position = event.nativeEvent.contentOffset.x;
let i = Math.floor((position - offsetStart) / CARD_WIDTH)
if(index !== i){
updatePosition(i);
setIndex(i);
}
}
const onScroll = Animated.event(
[{ nativeEvent: {
contentOffset: { x }
}}], {
listener: (event) => updateState(event),
useNativeDriver: true ,
}
);
const _updateRangePositions = (offsetStart) => {
setOffsetStart(offsetStart)
}
return (
<View style={{flex:1}}>
<MapsComponent
latitude={ latitude }
longitude={ longitude }
/>
<View style={styles.listStores}>
<AnimatedFlatList
onScroll={ onScroll }
scrollEventThrottle={16}
horizontal={true}
showsHorizontalScrollIndicator={false}
data={ Locations }
renderItem={({ index, item}) => (
<Store
index={index}
item={item}
x={x}
updateRangePositions={_updateRangePositions} />
)}
keyExtractor={(item) => item.index }
/>
</View>
</View>
);
};
const styles = StyleSheet.create({
listStores:{
marginBottom:15,
width: '100%',
position: 'absolute',
bottom: 0
}
});
export default App;