App store submission testing in Testing Fundamentals - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ ui_behavior

intermediate

App Store Submission: UI Responsiveness Check

You submit an app to the store. The app must remain responsive during startup. Which behavior indicates a problem?

A The app freezes for several seconds before showing any content.

B The app shows a splash screen and then quickly displays the main screen.

C The app shows a loading spinner while fetching data.

D The app displays a welcome message immediately after launch.

💡 Hint

Think about what users expect when opening an app.

Freezing during startup means the app is not responsive, which is a common rejection reason in app stores.

❓ lifecycle

intermediate

App Store Submission: Background Task Handling

Your app performs a background task when the user switches apps. What is the expected behavior to pass app store review?

A The app continues the background task indefinitely without user permission.

B The app crashes when switching to background to save resources.

C The app requests permission and completes the background task within allowed time.

D The app stops the background task immediately when the user switches apps.

💡 Hint

App stores require respectful use of background processing.

Apps must request permission and finish background tasks quickly to avoid rejection.

🧠 Conceptual

advanced

App Store Submission: Privacy Policy Requirement

Which statement about privacy policies is true for app store submissions?

A All apps must provide a privacy policy link regardless of data collection.

B A privacy policy is required only if the app uses location services.

C Privacy policies are optional if the app does not collect user data.

D Privacy policies are only needed for apps that sell user data.

💡 Hint

Think about user trust and platform rules.

App stores require all apps to have a privacy policy to inform users about data handling.

🔧 Debug

advanced

App Store Submission: Crash on Launch

Your app crashes immediately after launch during review. What is the most likely cause?

A The app shows a splash screen too long.

B The app has a slow network connection.

C The app requests user permissions on first launch.

D The app uses deprecated APIs that cause runtime errors.

💡 Hint

Crashes usually come from code errors or unsupported features.

Using deprecated or unsupported APIs can cause crashes that lead to rejection.

❓ navigation

expert

App Store Submission: Navigation Flow Compliance

During app store review, your app's navigation must be intuitive. Which navigation pattern is most likely to cause rejection?

A Using a bottom tab bar with clear labels for main sections.

B Using swipe gestures without any visible navigation controls.

C Using a hamburger menu with accessible options.

D Using a navigation drawer with clear section titles.

💡 Hint

Consider how easy it is for users to find and use navigation.

Swipe-only navigation without visible controls can confuse users and cause rejection.

Practice

1. What is the main purpose of app store submission testing?

easy

A. To ensure the app works correctly and meets store rules

B. To write the app's source code

C. To design the app's user interface

D. To create marketing materials for the app

Solution

1. Step 1: Understand app store submission testing

   This testing checks if the app functions well and follows the app store's guidelines.

2. Step 2: Differentiate from other app tasks

   Writing code, designing UI, and marketing are separate tasks not related to submission testing.

3. Final Answer:

   To ensure the app works correctly and meets store rules -> Option A

4. Quick Check:

   Submission testing = check app works and follows rules [OK]

Hint: Submission testing checks app function and rules compliance [OK]

Common Mistakes:

• Confusing testing with coding or design
• Thinking marketing is part of submission testing
• Ignoring app store rules during testing

2. Which of the following is the correct way to test an iOS app before submission?

easy

A. Use TestFlight to distribute the app to testers

B. Upload the app directly to the App Store without testing

C. Test only on the iOS Simulator without real devices

D. Skip testing and rely on user reviews after release

Solution

1. Step 1: Identify iOS testing tools

   TestFlight is Apple's official tool to distribute pre-release apps to testers.

2. Step 2: Evaluate other options

   Uploading without testing or skipping testing risks app failure; simulator-only testing misses real device issues.

3. Final Answer:

   Use TestFlight to distribute the app to testers -> Option A

4. Quick Check:

   iOS pre-release testing = TestFlight [OK]

Hint: Use TestFlight for iOS pre-release testing [OK]

Common Mistakes:

• Skipping real device testing
• Uploading without testing
• Relying only on simulator tests

3. Consider this Android app testing code snippet using Google Play testing tracks:

val testTrack = "internal"
val appVersion = 5
if (appVersion >= 5) {
  println("App ready for $testTrack track testing")
} else {
  println("App version too low for $testTrack track")
}

What will be printed when this code runs?

medium

A. App version too low for internal track

B. App ready for alpha track testing

C. App ready for internal track testing

D. Compilation error due to syntax

Solution

1. Step 1: Check the appVersion value

   appVersion is 5, which is equal to the condition threshold (>= 5).

2. Step 2: Evaluate the if condition

   Since 5 >= 5 is true, the first println runs, printing "App ready for internal track testing".

3. Final Answer:

   App ready for internal track testing -> Option C

4. Quick Check:

   appVersion 5 meets condition, prints ready message [OK]

Hint: Check if condition true to find printed message [OK]

Common Mistakes:

• Misreading the >= operator
• Confusing track names
• Assuming syntax error without checking code

4. You wrote this snippet to test app submission readiness:

if (appInfo.isComplete = true) {
  println("Ready to submit")
} else {
  println("Incomplete app info")
}

What is the error in this code?

medium

A. No error; code runs correctly

B. Missing semicolon at the end of println statements

C. Incorrect method name; should be isCompleteInfo()

D. Using assignment (=) instead of comparison (==) in the if condition

Solution

1. Step 1: Identify the if condition syntax

   The condition uses single = which assigns true instead of comparing.

2. Step 2: Understand correct comparison

   To check equality, use == instead of = in conditions.

3. Final Answer:

   Using assignment (=) instead of comparison (==) in the if condition -> Option D

4. Quick Check:

   Use == for comparison, not = [OK]

Hint: Use == for comparison in if conditions [OK]

Common Mistakes:

• Confusing = and == in conditions
• Assuming semicolons are mandatory in Kotlin/Swift
• Thinking method name is wrong without context

5. You want to test your app on multiple devices before submission. Which approach best ensures thorough testing and smooth app store approval?

hard

A. Rely solely on automated tests without manual device testing

B. Use real devices with different OS versions and TestFlight or Google Play testing tracks

C. Test only on the newest device model and skip beta testing

D. Submit the app immediately and fix issues after release

Solution

1. Step 1: Identify best testing practices

   Testing on real devices with various OS versions catches more issues and matches real user environments.

2. Step 2: Use platform beta testing tools

   TestFlight (iOS) and Google Play testing tracks allow controlled distribution and feedback before public release.

3. Final Answer:

   Use real devices with different OS versions and TestFlight or Google Play testing tracks -> Option B

4. Quick Check:

   Real devices + beta tracks = thorough testing [OK]

Hint: Combine real devices and beta tracks for best testing [OK]

Common Mistakes:

• Testing only on newest device misses compatibility issues
• Skipping manual testing reduces issue detection
• Ignoring beta testing risks app rejection