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App.js
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App.js
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/**
* Sample React Native App
* https://github.com/facebook/react-native
*
* @format
* @flow strict-local
*/
import React, {useEffect} from 'react';
import {
StyleSheet,
View,
} from 'react-native';
import {
ViroText,
ViroARScene,
ViroARSceneNavigator,
} from 'react-viro';
import {check, request, PERMISSIONS, RESULTS} from 'react-native-permissions';
const MainScene = () => {
return <ViroARScene>
<ViroText text="Hello World" position={[0, -.1, -1]} style={styles.helloWorldTextStyle} />
</ViroARScene>;
};
const App = () => {
useEffect(() => {
check(PERMISSIONS.IOS.CAMERA)
.then((result) => {
switch (result) {
case RESULTS.UNAVAILABLE:
console.log('This feature is not available (on this device / in this context)');
break;
case RESULTS.DENIED:
request(PERMISSIONS.IOS.CAMERA).then((result) => {
// …
});
break;
case RESULTS.LIMITED:
console.log('The permission is limited: some actions are possible');
break;
case RESULTS.GRANTED:
console.log('The permission is granted');
break;
case RESULTS.BLOCKED:
console.log('The permission is denied and not requestable anymore');
break;
}
})
.catch((error) => {
// …
});
}, []);
return (
<View style={styles.container}>
<ViroARSceneNavigator initialScene={{scene: MainScene}} />
</View>
);
};
const styles = StyleSheet.create({
container: {
flex: 1
},
helloWorldTextStyle: {
fontFamily: 'Arial',
fontSize: 40,
color: '#ffffff',
textAlignVertical: 'center',
textAlign: 'center',
}
});
export default App;