Bird
Raised Fist0
Fluttermobile~20 mins

App Store submission in Flutter - Mini App: Build & Ship

Choose your learning style10 modes available
Build: App Submission Checklist
This screen helps developers prepare their Flutter app for App Store submission by showing a checklist of required steps and information.
Target UI
----------------------------------
| App Submission Checklist       |
|--------------------------------|
| [ ] App Name                   |
| [ ] App Icon                   |
| [ ] Screenshots                |
| [ ] Privacy Policy URL         |
| [ ] Version Number             |
| [ ] Build Number               |
| [ ] Release Notes              |
|                                |
|       [Submit to App Store]    |
----------------------------------
Display a checklist with 6 items: App Name, App Icon, Screenshots, Privacy Policy URL, Version Number, Build Number
Each item should have a checkbox that can be toggled on/off
Below the checklist, show a multiline TextField for Release Notes input
Add a Submit button that is disabled until all checklist items are checked and Release Notes is not empty
When Submit is tapped, show a dialog confirming submission
Starter Code
Flutter
import 'package:flutter/material.dart';

class AppSubmissionChecklist extends StatefulWidget {
  @override
  State<AppSubmissionChecklist> createState() => _AppSubmissionChecklistState();
}

class _AppSubmissionChecklistState extends State<AppSubmissionChecklist> {
  // TODO: Add checklist state variables
  // TODO: Add TextEditingController for Release Notes

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('App Submission Checklist')),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          children: [
            // TODO: Add checklist items with checkboxes
            // TODO: Add Release Notes TextField
            // TODO: Add Submit button
          ],
        ),
      ),
    );
  }
}
Task 1
Task 2
Task 3
Task 4
Task 5
Task 6
Solution
Flutter
import 'package:flutter/material.dart';

class AppSubmissionChecklist extends StatefulWidget {
  @override
  State<AppSubmissionChecklist> createState() => _AppSubmissionChecklistState();
}

class _AppSubmissionChecklistState extends State<AppSubmissionChecklist> {
  bool appNameChecked = false;
  bool appIconChecked = false;
  bool screenshotsChecked = false;
  bool privacyPolicyChecked = false;
  bool versionNumberChecked = false;
  bool buildNumberChecked = false;

  final TextEditingController releaseNotesController = TextEditingController();

  bool get isSubmitEnabled {
    return appNameChecked && appIconChecked && screenshotsChecked && privacyPolicyChecked && versionNumberChecked && buildNumberChecked && releaseNotesController.text.trim().isNotEmpty;
  }

  @override
  void initState() {
    super.initState();
    releaseNotesController.addListener(() {
      setState(() {});
    });
  }

  @override
  void dispose() {
    releaseNotesController.dispose();
    super.dispose();
  }

  void _showSubmissionDialog() {
    showDialog(
      context: context,
      builder: (context) => AlertDialog(
        title: Text('Confirm Submission'),
        content: Text('Are you sure you want to submit your app to the App Store?'),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(context).pop(),
            child: Text('Cancel'),
          ),
          ElevatedButton(
            onPressed: () {
              Navigator.of(context).pop();
              ScaffoldMessenger.of(context).showSnackBar(
                SnackBar(content: Text('App submitted successfully!')),
              );
            },
            child: Text('Submit'),
          ),
        ],
      ),
    );
  }

  Widget _buildCheckbox(String title, bool value, void Function(bool?) onChanged) {
    return CheckboxListTile(
      title: Text(title),
      value: value,
      onChanged: onChanged,
      controlAffinity: ListTileControlAffinity.leading,
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('App Submission Checklist')),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Expanded(
              child: ListView(
                children: [
                  _buildCheckbox('App Name', appNameChecked, (val) => setState(() => appNameChecked = val ?? false)),
                  _buildCheckbox('App Icon', appIconChecked, (val) => setState(() => appIconChecked = val ?? false)),
                  _buildCheckbox('Screenshots', screenshotsChecked, (val) => setState(() => screenshotsChecked = val ?? false)),
                  _buildCheckbox('Privacy Policy URL', privacyPolicyChecked, (val) => setState(() => privacyPolicyChecked = val ?? false)),
                  _buildCheckbox('Version Number', versionNumberChecked, (val) => setState(() => versionNumberChecked = val ?? false)),
                  _buildCheckbox('Build Number', buildNumberChecked, (val) => setState(() => buildNumberChecked = val ?? false)),
                  SizedBox(height: 16),
                  Text('Release Notes', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                  SizedBox(height: 8),
                  TextField(
                    controller: releaseNotesController,
                    maxLines: 4,
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      hintText: 'Enter release notes here',
                    ),
                  ),
                ],
              ),
            ),
            SizedBox(height: 16),
            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed: isSubmitEnabled ? _showSubmissionDialog : null,
                child: Text('Submit to App Store'),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

This screen uses a stateful widget to track the checklist items as boolean variables. Each checklist item is shown as a CheckboxListTile so the user can tap to check or uncheck it.

A TextEditingController manages the Release Notes input. The submit button is enabled only when all checklist items are checked and the Release Notes field is not empty.

When the user taps Submit, a confirmation dialog appears. If confirmed, a success message shows using a SnackBar.

This approach keeps the UI simple and accessible, with clear labels and a logical flow for preparing an app for App Store submission.

Final Result
Completed Screen
----------------------------------
| App Submission Checklist       |
|--------------------------------|
| [x] App Name                   |
| [x] App Icon                   |
| [x] Screenshots                |
| [x] Privacy Policy URL         |
| [x] Version Number             |
| [x] Build Number               |
|                                |
| Release Notes                  |
| ----------------------------- |
| | Fixed bugs and improved UI | |
| | Added new features         | |
| ----------------------------- |
|                                |
|       [Submit to App Store]    |
----------------------------------
User taps checkboxes to mark each checklist item as done
User types release notes in the multiline text field
Submit button becomes enabled only when all checklist items are checked and release notes are not empty
Tapping Submit shows a confirmation dialog
Confirming submission shows a success message
Stretch Goal
Add a toggle switch to enable dark mode for the checklist screen.
💡 Hint
Use a Switch widget in the AppBar or at the top of the screen to toggle a boolean state that changes the ThemeData brightness between light and dark.

Practice

(1/5)
1. What is the primary tool used to upload a Flutter app to the Apple App Store?
easy
A. Xcode
B. Android Studio
C. Visual Studio Code
D. Firebase Console

Solution

  1. Step 1: Identify the platform for iOS app submission

    Apple requires apps to be uploaded using Xcode or Application Loader, both part of Xcode tools.
  2. Step 2: Recognize Flutter's role

    Flutter builds the app, but Xcode is needed to upload it to the App Store.
  3. Final Answer:

    Xcode -> Option A
  4. Quick Check:

    Upload tool for iOS = Xcode [OK]
Hint: Remember: iOS apps upload via Xcode, not Android tools [OK]
Common Mistakes:
  • Confusing Android Studio with Xcode
  • Thinking Flutter uploads directly
  • Using Firebase Console for iOS upload
2. Which of the following is the correct command to build an iOS release app in Flutter before submission?
easy
A. flutter build apk --release
B. flutter build ios --release
C. flutter run ios
D. flutter build ios

Solution

  1. Step 1: Understand Flutter build commands

    To build an iOS app for release, the command is flutter build ios --release.
  2. Step 2: Eliminate incorrect options

    flutter build apk is for Android, flutter run ios runs debug, and flutter build ios defaults to debug mode without --release.
  3. Final Answer:

    flutter build ios --release -> Option B
  4. Quick Check:

    iOS release build = flutter build ios --release [OK]
Hint: Use --release flag to build production iOS app [OK]
Common Mistakes:
  • Using apk build for iOS
  • Omitting --release flag
  • Using flutter run instead of build
3. Consider this Flutter command output snippet after running flutter build ios --release:
Built ios/Runner.app (archived) to build/ios/iphoneos/Runner.app
What does this output indicate?
medium
A. The app was built successfully and is ready for Xcode upload
B. The build failed due to missing Runner.app
C. The app is built but only for Android devices
D. The command only runs the app on a simulator

Solution

  1. Step 1: Interpret the build output message

    The message shows the app was built and archived at the specified path.
  2. Step 2: Understand the context of iOS build

    Since it mentions ios/Runner.app and iphoneos, it means the app is built for real iOS devices, ready for upload.
  3. Final Answer:

    The app was built successfully and is ready for Xcode upload -> Option A
  4. Quick Check:

    Build output shows success = The app was built successfully and is ready for Xcode upload [OK]
Hint: Look for 'archived' and path to confirm successful build [OK]
Common Mistakes:
  • Confusing build success with failure
  • Thinking it's Android build
  • Assuming it runs on simulator only
4. You tried submitting your Flutter app to the App Store but got a rejection due to missing app icons. What is the most likely cause?
medium
A. You used the wrong Flutter channel
B. You did not run flutter build apk
C. You forgot to add app icons in the iOS asset catalog
D. You did not enable internet permission in Info.plist

Solution

  1. Step 1: Identify the cause of missing app icons

    App Store requires app icons in the iOS asset catalog; missing icons cause rejection.
  2. Step 2: Eliminate unrelated options

    flutter build apk is for Android, Flutter channel does not affect icons, and internet permission is unrelated to icons.
  3. Final Answer:

    You forgot to add app icons in the iOS asset catalog -> Option C
  4. Quick Check:

    Missing icons = forgot iOS asset catalog icons [OK]
Hint: Always add app icons in Xcode asset catalog before submission [OK]
Common Mistakes:
  • Confusing Android build commands
  • Ignoring asset catalog setup
  • Assuming permissions cause icon issues
5. You want to submit your Flutter app to the App Store but receive an error about the app's bundle identifier not matching your App Store Connect record. What should you do to fix this?
hard
A. Change the app name in pubspec.yaml to match the App Store Connect record
B. Delete and recreate your Apple developer account
C. Rebuild the app using flutter build apk
D. Update the bundle identifier in Xcode to match the App Store Connect record

Solution

  1. Step 1: Understand bundle identifier importance

    The bundle identifier uniquely identifies your app and must match exactly between Xcode and App Store Connect.
  2. Step 2: Fix the mismatch

    Update the bundle identifier in Xcode project settings to match the App Store Connect record.
  3. Step 3: Ignore unrelated fixes

    Changing app name or rebuilding Android APK won't fix bundle ID issues; deleting account is extreme and unnecessary.
  4. Final Answer:

    Update the bundle identifier in Xcode to match the App Store Connect record -> Option D
  5. Quick Check:

    Bundle ID mismatch = fix in Xcode [OK]
Hint: Bundle ID must match App Store Connect exactly [OK]
Common Mistakes:
  • Changing app name instead of bundle ID
  • Rebuilding Android app
  • Deleting developer account unnecessarily
Recommended

Ready to prove it?

Pass the test and this pattern moves unknown strong while earning +1 Grip toward your certificate.

10 questions~5 mineasy hard