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Main.js
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Main.js
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import React from 'react'
import { StyleSheet, ScrollView, Image, Text, View ,Button} from 'react-native'
import Icon from 'react-native-vector-icons/FontAwesome';
import firebase from 'react-native-firebase'
import QrPage from './QrPage'
export default class Main extends React.Component {
static navigationOptions = {
title:'QR Game',
headerLeft: null,
headerRight:() => (
<Icon.Button
name="arrow-right"
onPress={() => firebase.auth().signOut()}
color="#8e44ad"
backgroundColor="#ffffff"
/>
)
}
state = { currentUser: null }
componentDidMount() {
const { currentUser } = firebase.auth()
this.setState({ currentUser })
}
render() {
const { currentUser } = this.state
return (
<View style={styles.container}>
<View>
<Text style={styles.txt}>
Hi { currentUser && currentUser.email.slice(0, currentUser.email.indexOf("@"))}
</Text>
<QrPage />
</View>
</View>
)
}
}const styles = StyleSheet.create({
container: {
flex:1,
alignItems:"center",
},
txt:{
textAlign:'center',
marginTop:10,
marginBottom:15,
fontSize:16,
}
})