Android Interview Question

What is Activity and its life cycle in Android?

What is Fragment and its life cycle in Android?

What is Service in Android?

How do you start an activity?

What happens when an activity is rotated on the device?

If you have an activity with two fragments, and you rotate the screen, what happens behind the scenes?

How do you handle orientation changes on Activity?

How do you pass information from one activity to another?

What is an intent?

What kind of intents exist? What are the differences?

How does the intent resolution get handled?

What are the differernces between Parcelable and Serializable in Android?

What’s Loaders in Android?

What are the building blocks of Android?

What are the differences between ListView and RecyclerView?

What are the differences between an Activity and a Fragment?

How to send Parcelable object from one activity to another?

How do you preserve the state of a fragment?

How do you pass data from one fragment to another fragment?

Can you name a few data storage options for saving data from mobile apps?

What is Content Provider?

What is Shared Preferences?

What is ANR?

What is dependency injection?

Do you know any third party libraries/plugins for collecting analytics data and detect crash events in Android?

How do you improve your code?

Do you know about TDD and BDD?

How do you avoid getting crashes when a long operations is running and you make a rotation change and try to update the layout?

Do you have experience supporting old android versions?

What do you know about software testing?

What do you know about Agile in software development?

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About Engr. Rokon Khan