I was asked

Android

  • Handler
  • serializable, parcelable
  • Service, IntentService. What is inside?
  • Fragment, FragmentTransaction, commit. How does the commit method work? Is commit synchronized?
  • SynchronizationInter-process communication:  mutexes, semaphores, events, etc.
  • Collections in java
  • Memory leaks due to rotation with AsyncTask
  • RxJava
  • What is UI-thread, how does it work?
  • Loader
  • Which lifecycle methods of activity will be guaranteed invoked if OS destroys the one?

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