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code/app/base-expo-app/App.tsx

@@ -0,0 +1,21 @@
+import { StatusBar } from 'expo-status-bar'
+import { Button, StyleSheet, Text, View } from 'react-native'
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#fff',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+})
+
+export default function App() {
+  return (
+    <View style={styles.container}>
+      <Button title="测试按钮"></Button>
+      <Text>Open up App.tsx to start working on your app!</Text>
+      {/* <StatusBar style="auto" /> */}
+    </View>
+  )
+}