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App.js
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App.js
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import { StatusBar } from "expo-status-bar";
import React, { useState } from "react";
import {
StyleSheet,
Text,
View,
TextInput,
Button,
ScrollView,
FlatList,
} from "react-native";
import UpdateItem from "./components/UpdateItem";
import UpdateInput from "./components/UpdateInput";
export default function App() {
const [updates, setUpdate] = useState([]);
const [isAddMode,setIsAddMode] = useState(false);
const addUpdateHandler = (enteredUpdate) => {
setUpdate((currentUpdates) => [
...currentUpdates,
{ id: Math.random().toString(), value: enteredUpdate },
]);
setIsAddMode(false);
};
const removeUpdateHandler = (id) => {
setUpdate((currentUpdates) => {
return currentUpdates.filter((update) => update.id !== id);
});
};
const cancelHandler = () => {
setIsAddMode(false)
};
return (
<View style={styles.screen}>
<Button title="Add Update" onPress={() => setIsAddMode(true)} />
<UpdateInput visible={isAddMode} onAddUpdate={addUpdateHandler} onCancel={cancelHandler} />
<FlatList
keyExtractor={(item, index) => item.id}
data={updates}
renderItem={(itemData) => (
<UpdateItem
id={itemData.item.id}
onDelete={removeUpdateHandler}
title={itemData.item.value}
/>
)}
/>
</View>
);
}
const styles = StyleSheet.create({
screen: {
padding: 50,
},
});