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Updated weekly · Last refresh Oct 30

Top 50 android Interview Questions

The most frequently asked android questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~21htotal time
24companies covered
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1
androidStart here. 26 questions · ~650 min
Google Calendar Event Layout on AndroidHard
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Compute normalized x positions and widths for overlapping Google Calendar events using interval partitioning.

androidArraysAlgorithmsGoogle
Design a Timer AppMedium
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Simulate a countdown timer with start, pause, resume, reset, and tick commands using a finite-state model.

androidactivity lifecycledesignGoogle
Design a Google Calendar Event LayoutHard
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Compute non-overlapping event rectangles and Android Calendar composable descriptions using sweep-line interval coloring.

androidArraysAlgorithmsGoogle
Main Thread Message QueuingHard
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Simulate Android main-thread message handling with FIFO ordering for equal posting times and non-preemptive execution.

androidQueueasync processingAdobe
Android Service vs IntentServiceEasy
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Return the key differences between Android Service and IntentService, including API-level guidance.

androidQueuebackground processingAdobe
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2
application development3 questions · ~75 min
Activities vs FragmentsEasy
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Classify an Android UI component as an Activity or Fragment using entry-point and reuse requirements.

application developmentandroidactivity lifecycleGoogle
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3
Coding4 questions · ~100 min
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4
api integration5 questions · ~125 min
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5
data synchronization3 questions · ~75 min
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6
More topics9 questions · ~225 min
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