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App.js
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App.js
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import React, { useState } from 'react';
import { StatusBar } from 'expo-status-bar';
import { StyleSheet, View, Text } from 'react-native'
import { GestureHandlerRootView } from "react-native-gesture-handler";
import ExampleTabBar from './src/components/ExampleTabBar';
import SwipeHandler from './src/components/SwipeHandler';
const tabList = [
'Tab - 0',
'Tab - 1',
'Tab - 2',
'Tab - 3'
]
export default function App() {
const [tabIndex, setTabIndex] = useState(0);
const onSwipeNext = () => {
const nextTab = tabIndex + 1;
const maxLength = tabList.length - 1;
setTabIndex(nextTab > maxLength ? 0 : nextTab);
}
const onSwipePrevious = () => {
const prevTab = tabIndex - 1;
const minLength = 0;
const maxLength = tabList.length - 1;
setTabIndex(prevTab < minLength ? maxLength : prevTab);
}
const onChangeTab = (tabIndex) => {
console.log(tabList.length, tabIndex);
setTabIndex(tabIndex);
}
return (
<GestureHandlerRootView style={styles.container}>
<SwipeHandler onSwipeNext={onSwipeNext} onSwipePrevious={onSwipePrevious}>
<ExampleTabBar currentTab={tabIndex} tabList={tabList} onChangeTab={onChangeTab} />
<StatusBar style="auto" />
<Text> Current Tab {tabIndex} </Text>
</SwipeHandler>
</GestureHandlerRootView>
);
}
const styles = StyleSheet.create({
container: { flex: 1 }
});