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App.js
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App.js
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import React, { useState } from 'react';
import { StyleSheet, Text, View } from 'react-native';
import Header from './components/Header';
import { AppLoading } from 'expo';
import StartGameScreen from './screens/StartGameScreen';
import GameScreen from './screens/GameScreen';
import GameOverScreen from './screens/GameOverScreen';
import * as Font from 'expo-font';
const fetchFonts = () => {
return Font.loadAsync({
'customfont': require('./assets/fonts/customfont.ttf')
});
}
export default function App() {
const [userNumber, setUserNumber] = useState();
const [numOfRounds, setNumOfRounds] = useState(0);
const [dataLoaded, setDataLoaded] = useState(false);
if (!dataLoaded) {
return (
<AppLoading
startAsync={fetchFonts}
onFinish={() => setDataLoaded(true)} />
);
}
const configureNewGameHandler = () => {
setNumOfRounds(0);
setUserNumber(null);
}
const StartGameHandler = (selectedNumber) => {
setUserNumber(selectedNumber);
setNumOfRounds(0);
}
const GameOverHandler = (Rounds) => {
setNumOfRounds(Rounds);
}
let content = <StartGameScreen
onGameStart={StartGameHandler}
/>
if (userNumber && numOfRounds <= 0) {
content = <GameScreen
userChoice={userNumber}
onGameOver={GameOverHandler} />
} else if (numOfRounds > 0) {
content = <GameOverScreen
rounds={numOfRounds}
number={userNumber}
onRestart={configureNewGameHandler} />
}
return (
<View style={styles.screen}>
<Header title={'Guess A Number'} />
{content}
</View>
);
}
const styles = StyleSheet.create({
screen: {
flex: 1,
},
});