Flutter Mobile Specialist Mock Test

Q: What is this flutter mock test?

This is a comprehensive flutter mock test with 30 questions covering Background Processing, Platform Permissions, Biometric Security. It simulates real technical interviews with timed conditions and provides detailed explanations.

Q: How long does the test take?

The test has a time limit of 90 minutes. You can pause and resume, but we recommend completing it in one sitting.

Q: Will I get feedback on my answers?

Yes! After each question, you receive immediate feedback with detailed explanations. At the end, you get a comprehensive report showing your strengths and areas for improvement.

Q: Is this test suitable for FAANG interview preparation?

Absolutely! Our questions are curated by FAANG interviewers and cover the exact topics and difficulty levels you'll encounter in top tech company interviews.

Question 1

You need to implement background location tracking that continues even when the app is terminated...

Answer

Platform-specific background services: `ForegroundService` on Android and `Location Updates` capability on iOS with `BGTaskScheduler`

Question 2

What is the correct way to handle Android's permission model changes from API 33 (Tiramisu) for r...

Answer

Use granular media permissions: `READ_MEDIA_IMAGES`, `READ_MEDIA_VIDEO`, `READ_MEDIA_AUDIO`

Question 3

You are implementing biometric authentication (Face ID / Touch ID / Fingerprint). Which security ...

Answer

Never trusting the `true/false` result from the biometric prompt alone; always validating with a server-side cryptographic challenge or re-validating the user's session

Question 4

You need to implement deep linking that works when the app is in the background, terminated, and ...

Answer

Configure `AndroidManifest.xml` (intent-filter) and `Info.plist` (CFBundleURLTypes), implement `getInitialLink()` AND listen to `onLink` stream, and handle `App Links` (Android) / `Universal Links` (iOS) for verified domains

Question 5

You are optimizing a Flutter app for foldable devices (Samsung Fold, Pixel Fold). Which approach ...

Answer

Use `DisplayFeatureSubScreen` and `MediaQuery.displayFeatures` to detect hinge/seam position and avoid placing interactive elements under it

Question 6

You need to implement a custom camera view with real-time face detection and overlay graphics. Wh...

Answer

Use `CameraController` with ML Kit for Flutter and a `CustomPainter` that paints on a separate layer, or use a Platform View with native camera for lower latency

Question 7

Your Flutter app's iOS build is rejected because it requests Bluetooth permissions but doesn't de...

Answer

In `ios/Runner/Info.plist` with keys like `NSBluetoothAlwaysUsageDescription`

Question 8

You need to implement silent push notifications that trigger a background data sync without showi...

Answer

Send a payload with `content-available: 1` and implement `didReceiveRemoteNotification` with `fetchCompletionHandler` (iOS) / `onBackgroundMessage` (Android/FCM)

Question 9

What is the `SafeArea` widget, and why is it essential for mobile development?

Answer

A widget that insets its child to avoid system UI intrusions like notches, status bars, and home indicators

Question 10

You are experiencing 'jank' (dropped frames) on Android when scrolling a list with complex images...

Answer

Use `ListView.builder`, `ResizeImage` to downscale images to exact tile size, `cacheExtent` for preloading, and `RepaintBoundary` around complex tiles

Flutter Mobile Specialist Mock Test

Difficulty

Topics Covered

What You'll Get