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What does the AndroidManifest.xml file define?
App permissions, activities, services
Which lifecycle method is called when an Android Activity becomes visible?
onStart()
In Flutter, the root widget is usually
MaterialApp
Which iOS architecture pattern is the default recommendation by Apple?
MVC
What is the default build tool for Android projects?
Gradle
In Swift, which keyword is used to define an optional variable?
?
Which feature does Kotlin have that Java lacks by default?
Null safety
In Dart, which keyword is used to create an asynchronous function?
async
What is the default access modifier in Java?
default (package-private)
Which of these is NOT a Kotlin collection type? List, Set, Map, ArrayList
ArrayList (ArrayList is a class, not a collection interface)
In MVVM, which layer holds UI-related logic?
ViewModel
In Clean Architecture, the innermost layer is
Domain
Which pattern is commonly used for Android networking?
Singleton
In Clean Architecture, which layer is responsible for API calls?
Data
Which iOS feature encrypts app data at rest?
Data Protection
Which mobile database is commonly used for offline storage in Android?
SQLite
