Viro Linking Setup

App.js

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+import React, {useState} from 'react';
+import {StyleSheet} from 'react-native';
+import {
+  ViroARScene,
+  ViroText,
+  ViroARSceneNavigator,
+} from '@viro-community/react-viro';
+
+import '@viro-community/react-viro/dist/components/ViroConstants.d.ts';
+
+const HelloWorldSceneAR = () => {
+  const [text, setText] = useState('Initializing AR...');
+
+  function onInitialized(state, reason) {
+    // console.log('guncelleme', state, reason);
+    // if (state === ViroConstants.TRACKING_NORMAL) {
+    setText('Hello World!');
+    console.log(TRACKING_NORMAL);
+    // } else if (state === ViroConstants.TRACKING_NONE) {
+    //   // Handle loss of tracking
+    // }
+  }
+
+  return (
+    <ViroARScene onTrackingUpdated={onInitialized}>
+      <ViroText
+        text={text}
+        scale={[0.5, 0.5, 0.5]}
+        position={[0, 0, -1]}
+        style={styles.helloWorldTextStyle}
+      />
+    </ViroARScene>
+  );
+};
+
+export default () => {
+  return (
+    <ViroARSceneNavigator
+      autofocus={true}
+      initialScene={{
+        scene: HelloWorldSceneAR,
+      }}
+      style={styles.f1}
+    />
+  );
+};
+
+var styles = StyleSheet.create({
+  f1: {flex: 1},
+  helloWorldTextStyle: {
+    fontFamily: 'Arial',
+    fontSize: 30,
+    color: '#ffffff',
+    textAlignVertical: 'center',
+    textAlign: 'center',
+  },
+});