Sr Android Developer Interview Questions

1,912 sr android developer interview questions shared by candidates

- What is the difference between Activity and Fragment? - How do you communicate between activity and fragment and from fragment to fragment? - What are coroutines? - What is the difference between coroutineScope and coroutineContext? - What is Flow? - What is the difference between typealias and inline functions? - What is the difference between lateinit and lazy? - What are the different ways of persisting data in android? and when do we use each one? - What are the differences between .apply, .run .let, etc.? - How do you optimize the performance of an android app? - How do you monitor the performance of an android app in production? - What is the difference between Serializable and parcelable? - What good practices can we follow when writing the UI in XML? - Why use Kotlin instead of Java? What else does Kotlin offer? - What design patterns do we usually use in an android project? - How can we apply solid to an android project?
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Senior Android Developer

Interviewed at Taller Technologies

4.4
Oct 11, 2024

- What is the difference between Activity and Fragment? - How do you communicate between activity and fragment and from fragment to fragment? - What are coroutines? - What is the difference between coroutineScope and coroutineContext? - What is Flow? - What is the difference between typealias and inline functions? - What is the difference between lateinit and lazy? - What are the different ways of persisting data in android? and when do we use each one? - What are the differences between .apply, .run .let, etc.? - How do you optimize the performance of an android app? - How do you monitor the performance of an android app in production? - What is the difference between Serializable and parcelable? - What good practices can we follow when writing the UI in XML? - Why use Kotlin instead of Java? What else does Kotlin offer? - What design patterns do we usually use in an android project? - How can we apply solid to an android project?

There was one Techical discussion round and one coding round with USA team. In technical discussion they asked questions related to MVVM, MVP, Kotlin, Java. In coding round they asked to setup their sample project and asked me to find and fix issues in the project.
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Senior Android Developer

Interviewed at Rightpoint

3.3
Feb 17, 2022

There was one Techical discussion round and one coding round with USA team. In technical discussion they asked questions related to MVVM, MVP, Kotlin, Java. In coding round they asked to setup their sample project and asked me to find and fix issues in the project.

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