Interview guides / android
Coroutines & Dispatchers: Android Interview Question
Coroutines & Dispatchers interview question with a clear example answer for Android engineers. Practice with AceMobileInterview.
This is a common Android interview topic: Coroutines & Dispatchers.
Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.
1.How do Dispatchers.Main, IO, and Default differ? How do you structure structured concurrency in a ViewModel?
Main for UI, IO for blocking I/O, Default for CPU work. viewModelScope cancels on clear. Prefer withContext for thread switches, supervisorScope when children should fail independently, and never leak GlobalScope. Expose UI state via StateFlow.
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