test editing start screen

salamander-app/App.js

 import { StatusBar } from 'expo-status-bar';
 import React from 'react';
 import { StyleSheet, Text, View } from 'react-native';
+import MyButton from './components/MyButton'; 
 
 export default function App() {
   return (
     <View style={styles.container}>
-      <Text>Open up App.js to start working on your app!</Text>
+      <Text>Test</Text>
+      <MyButton />
       <StatusBar style="auto" />
     </View>
   );

salamander-app/components/MyButton.js

+import * as React from 'react';
+import { Button } from 'react-native-paper';
+
+const MyButton = () => (
+  <Button icon="camera" mode="contained" onPress={() => console.log('Pressed')}>
+    Press me
+  </Button>
+);
+
+export default MyButton;
\ No newline at end of file