All 30 days
Day 2 / 30 · 2025 Edition
Fragments & the Fragment Lifecycle
Fragment and view lifecycles, FragmentManager and transactions, communication between fragments and common lifecycle bugs.
Inside this day
Questions and detailed answers at four levels — Junior, Mid, Senior and Architect — with code samples and architect's insights.
Try answering each question out loud before you read the answer — that's the closest thing to a real interview.