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React Nativemobile~20 mins

App Store submission in React Native - Mini App: Build & Ship

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Build: App Store Submission Guide
This screen guides the user through the steps to prepare and submit a React Native app to the App Store.
Target UI
----------------------------------
|       App Store Submission      |
|--------------------------------|
| 1. Enter App Name               |
| [__________________________]   |
| 2. Enter Bundle Identifier      |
| [__________________________]   |
| 3. Select App Icon              |
| [Choose File]                  |
| 4. Enter Version Number         |
| [__________________________]   |
|                                |
| [Submit to App Store]          |
----------------------------------
TextInput for App Name with placeholder 'Enter app name'
TextInput for Bundle Identifier with placeholder 'com.example.app'
Button to select an app icon file (simulate with a button, no actual file picker needed)
TextInput for Version Number with placeholder '1.0.0'
Submit button that validates all fields are filled and shows an alert 'Submission Successful' or 'Please fill all fields'
Starter Code
React Native
import React, { useState } from 'react';
import { View, Text, TextInput, Button, Alert, StyleSheet } from 'react-native';

export default function AppStoreSubmission() {
  // TODO: Add state variables for inputs

  // TODO: Add handler for submit button

  return (
    <View style={styles.container}>
      <Text style={styles.title}>App Store Submission</Text>
      {/* TODO: Add TextInput for App Name */}
      {/* TODO: Add TextInput for Bundle Identifier */}
      {/* TODO: Add Button to select App Icon */}
      {/* TODO: Add TextInput for Version Number */}
      {/* TODO: Add Submit Button */}
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    padding: 20,
    backgroundColor: '#fff'
  },
  title: {
    fontSize: 24,
    fontWeight: 'bold',
    marginBottom: 20
  }
});
Task 1
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Solution
React Native
import React, { useState } from 'react';
import { View, Text, TextInput, Button, Alert, StyleSheet } from 'react-native';

export default function AppStoreSubmission() {
  const [appName, setAppName] = useState('');
  const [bundleId, setBundleId] = useState('');
  const [version, setVersion] = useState('');
  const [iconSelected, setIconSelected] = useState(false);

  const handleSubmit = () => {
    if (appName && bundleId && version && iconSelected) {
      Alert.alert('Submission Successful', 'Your app has been submitted to the App Store.');
    } else {
      Alert.alert('Error', 'Please fill all fields and select an app icon.');
    }
  };

  return (
    <View style={styles.container}>
      <Text style={styles.title}>App Store Submission</Text>
      <Text>1. Enter App Name</Text>
      <TextInput
        style={styles.input}
        placeholder="Enter app name"
        value={appName}
        onChangeText={setAppName}
        accessibilityLabel="App Name Input"
      />
      <Text>2. Enter Bundle Identifier</Text>
      <TextInput
        style={styles.input}
        placeholder="com.example.app"
        value={bundleId}
        onChangeText={setBundleId}
        accessibilityLabel="Bundle Identifier Input"
      />
      <Text>3. Select App Icon</Text>
      <Button
        title={iconSelected ? 'File Selected' : 'Choose File'}
        onPress={() => setIconSelected(true)}
        accessibilityLabel="Select App Icon Button"
      />
      <Text style={{ marginTop: 20 }}>4. Enter Version Number</Text>
      <TextInput
        style={styles.input}
        placeholder="1.0.0"
        value={version}
        onChangeText={setVersion}
        accessibilityLabel="Version Number Input"
      />
      <View style={{ marginTop: 30 }}>
        <Button
          title="Submit to App Store"
          onPress={handleSubmit}
          accessibilityLabel="Submit Button"
        />
      </View>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    padding: 20,
    backgroundColor: '#fff'
  },
  title: {
    fontSize: 24,
    fontWeight: 'bold',
    marginBottom: 20
  },
  input: {
    borderWidth: 1,
    borderColor: '#ccc',
    borderRadius: 5,
    padding: 10,
    marginTop: 5,
    marginBottom: 15
  }
});

This React Native screen uses useState to keep track of the user's input for app name, bundle identifier, version number, and whether an app icon has been selected.

Each input field is a TextInput with a placeholder to guide the user. The 'Choose File' button simulates selecting an app icon by toggling a boolean state.

The submit button checks if all fields are filled and the icon is selected. If yes, it shows a success alert; otherwise, it asks the user to complete all fields.

Accessibility labels are added for screen readers. The UI uses simple styling for clarity and spacing.

Final Result
Completed Screen
----------------------------------
|       App Store Submission      |
|--------------------------------|
| 1. Enter App Name               |
| [My Cool App           ]       |
| 2. Enter Bundle Identifier      |
| [com.example.mycoolapp ]       |
| 3. Select App Icon              |
| [File Selected]                |
| 4. Enter Version Number         |
| [1.0.0                 ]       |
|                                |
| [Submit to App Store]          |
----------------------------------
User types app name, bundle id, and version number in text fields.
User taps 'Choose File' button to simulate selecting an app icon; button label changes to 'File Selected'.
User taps 'Submit to App Store' button.
If any field is empty or icon not selected, an alert shows 'Please fill all fields and select an app icon.'
If all fields are filled and icon selected, an alert shows 'Submission Successful'.
Stretch Goal
Add a reset button that clears all inputs and resets the icon selection.
💡 Hint
Add a button labeled 'Reset' that sets all state variables to their initial empty or false values.

Practice

(1/5)
1. What is the main purpose of submitting a React Native app to the App Store?
easy
A. To make the app available for millions of iOS users
B. To test the app only on your local device
C. To convert the app into a web application
D. To automatically fix all app bugs

Solution

  1. Step 1: Understand App Store submission goal

    Submitting an app to the App Store allows it to be published and accessible to iOS users worldwide.
  2. Step 2: Eliminate incorrect options

    Testing locally, converting to web, or auto-fixing bugs are not purposes of submission.
  3. Final Answer:

    To make the app available for millions of iOS users -> Option A
  4. Quick Check:

    App Store submission = Publish app [OK]
Hint: App Store submission means publishing app for users [OK]
Common Mistakes:
  • Thinking submission is only for testing
  • Confusing app publishing with app conversion
  • Assuming submission fixes bugs automatically
2. Which tool is essential for submitting a React Native app to the Apple App Store?
easy
A. Android Studio
B. Expo Go
C. Visual Studio Code
D. Xcode

Solution

  1. Step 1: Identify Apple-specific submission tools

    Xcode is Apple's official tool for building and submitting iOS apps.
  2. Step 2: Remove unrelated tools

    Android Studio is for Android apps, VS Code is a code editor, Expo Go is for testing but not submission.
  3. Final Answer:

    Xcode -> Option D
  4. Quick Check:

    Apple app submission requires Xcode [OK]
Hint: Use Xcode for iOS app submission, not Android Studio [OK]
Common Mistakes:
  • Choosing Android Studio for iOS app submission
  • Confusing code editors with submission tools
  • Thinking Expo Go submits apps to App Store
3. Consider this React Native app submission step: You archive your app in Xcode and upload it to App Store Connect. What happens next?
medium
A. Apple reviews the app before it appears on the store
B. The app is immediately live on the App Store
C. The app is automatically rejected
D. The app is converted to Android format

Solution

  1. Step 1: Understand the submission workflow

    After uploading, Apple reviews the app to ensure it meets guidelines.
  2. Step 2: Clarify incorrect options

    The app is not live immediately, not automatically rejected, and not converted to Android.
  3. Final Answer:

    Apple reviews the app before it appears on the store -> Option A
  4. Quick Check:

    App Store review happens after upload [OK]
Hint: App Store review happens before app goes live [OK]
Common Mistakes:
  • Assuming instant app availability after upload
  • Thinking Apple rejects all apps automatically
  • Confusing iOS and Android app processes
4. You submitted your React Native app but it was rejected due to missing app screenshots. What should you do to fix this?
medium
A. Change the app name and resubmit
B. Add required screenshots in App Store Connect and resubmit
C. Delete the app from Xcode and start over
D. Ignore the rejection and submit again

Solution

  1. Step 1: Identify the rejection cause

    Missing screenshots means Apple needs images showing app usage.
  2. Step 2: Correct the submission details

    Add the required screenshots in App Store Connect, then resubmit for review.
  3. Final Answer:

    Add required screenshots in App Store Connect and resubmit -> Option B
  4. Quick Check:

    Fix rejection by adding missing info [OK]
Hint: Add all required assets before resubmitting [OK]
Common Mistakes:
  • Ignoring rejection reasons
  • Deleting app unnecessarily
  • Changing unrelated app details
5. You want to submit a React Native app with a new feature that requires user location. What must you include in your App Store submission to avoid rejection?
hard
A. Only mention location use in the app code comments
B. No description is needed if the feature is optional
C. A clear privacy description explaining why location is needed
D. Disable location permissions to avoid review issues

Solution

  1. Step 1: Understand Apple's privacy requirements

    Apple requires apps to provide a clear privacy description for sensitive data like location.
  2. Step 2: Identify correct submission practice

    Include a privacy usage description in App Store Connect to explain why location is needed.
  3. Step 3: Avoid incorrect practices

    Ignoring description, hiding info in code, or disabling permissions are not acceptable.
  4. Final Answer:

    A clear privacy description explaining why location is needed -> Option C
  5. Quick Check:

    Privacy description required for sensitive data [OK]
Hint: Always add privacy usage descriptions for sensitive features [OK]
Common Mistakes:
  • Skipping privacy descriptions
  • Thinking optional features don't need explanations
  • Hiding info only in code comments
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10 questions~5 mineasy hard