Mobile Engineering
Android & Kotlin
6 practice questions. Free questions open a full answer guide; the rest unlock with Pro.
- Walk me through the lifecycle of an Android Activity and why you need to care about it as a developer.
- How do Kotlin coroutines and structured concurrency shape the way you handle async work in an Android ViewModel?Go Pro
- What is recomposition in Jetpack Compose, and how does the stability of your data affect performance?Go Pro
- Cold start on your Android app feels slow on mid-range devices. Walk me through how Baseline Profiles and R8 would help, and what they actually do.Go Pro
- Why might you launch a coroutine in viewModelScope instead of creating your own CoroutineScope in an Android ViewModel?Go Pro
- A Jetpack Compose screen is recomposing far more than it should and feels janky while scrolling. How do you reason about composable stability to fix it?Go Pro
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