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add : questions about live data + coroutine flow
hardikm9850 Dec 19, 2022
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Update README.md
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hardikm9850 May 25, 2023
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12 changes: 11 additions & 1 deletion README.md
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Expand Up @@ -26,12 +26,16 @@
- Is singleton thread-safe? vs Object?
- What are different type of scope modifiers?
- What are different Coroutine Scope?
- Dispatcher.Main vs Dispatcher.Main.immediate [link](https://medium.com/@trionkidnapper/launching-a-kotlin-coroutine-for-immediate-execution-on-the-main-thread-8555e701163b)
- Different types of Dispatchers [link](https://kt.academy/article/cc-dispatchers)
- How to manage series and parallel execution?
- Difference between Flow/SharedFlow/StateFlow and elaborate it.
- What happens if we call `.cancel()` from a coroutine scope?
- What is an Init block in Kotlin?
- How to choose between apply and with?
- What is inline function in Kotlin?
- How will you execute two apis in parallel? [coroutine.flow.zip](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines.flow/zip.html) and [CoroutineScope.async](https://kotlinlang.org/api/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/async.html)
- Flow : FlatMapConcat vs FlatMapMerge vs FlatMapLatest
-

## Android
Expand All @@ -45,11 +49,16 @@
- How does layout inflation work from xml tags to view reference in memory?
- What is a Thread, Handler, Looper and Message Queue?
- What are the different methods of concurrency on Android? Can you explain the difference between ExecutorService vs CachedThreadPool vs FixedThreadPool vs AsyncTasks vs HandlerThreads?
- How does `ViewModel` instance provided to Activity and Fragment. How does `ViewModelProviderStore` decide when to retain the instance?
- How does `ViewModel` instance are provided to Activity and Fragment. How does `ViewModelProviderStore` decide when to retain the instance?
- How do you inspect and solve Jank issue? [here](https://developer.android.com/studio/profile/jank-detection)
- How does the OutOfMemory happens?
- How do you find memory leaks in Android applications?
- What is Doze? What about App Standby?
- How would you create a custom [live data](https://android.googlesource.com/platform/frameworks/support/+/a9ac247af2afd4115c3eb6d16c05bc92737d6305/lifecycle/livedata-core/src/main/java/androidx/lifecycle/LiveData.java) from scratch? It should take care about the following points
- How will you take care of different lifecycle owners listening to this live data?
- Handling multiple observers. Notify only to observer associated with active lifecycle owner
- Difference between setValue and postValue?
-
- What does `setContentView` do?
- Process of creating a custom view
- Deeplink understanding and architecture
Expand Down Expand Up @@ -134,6 +143,7 @@
- What is SOLID principles?
- What is MVVM?
- Brief about Android Architecture.
- Pros of using modular approach [reference](https://jeroenmols.com/blog/2019/03/06/modularizationwhy/#why)
-

## System Design
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