```jsx
import React, { useEffect } from 'react';
import { Button, View } from 'react-native';
import { Analytics, Notifications } from 'aws-amplify';
import { withInAppMessaging } from '@aws-amplify/ui-react-native';

const { InAppMessaging } = Notifications;

// To display your in-app message, make sure this event name matches one you created
// in an In-App Messaging campaign!
const myFirstEvent = { name: 'my_first_event' };

const App = () => {
  useEffect(() => {
    // Messages from your campaigns need to be synced from the backend before they
    // can be displayed. You can trigger this anywhere in your app. Here you are
    // syncing just once when this component (your app) renders for the first time.
    InAppMessaging.syncMessages();
  }, []);

  return (
    <View>
      {/* This button has an example of an analytics event triggering the in-app message. */}
      <Button
        onPress={() => {
          Analytics.record(myFirstEvent);
        }}
        title="Record Analytics Event"
      />

      {/* This button has an example of an In-app Messaging event triggering the in-app message.*/}
      <Button
        onPress={() => {
          InAppMessaging.dispatchEvent(myFirstEvent);
        }}
        title="Send In-App Messaging Event"
      />
    </View>
  );
};

export default withInAppMessaging(App);
```