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🚀 Android Interview Questions Part 4: 2025🚀
You must have already cracked Part 1, 2, and 3! 🎯
If not, then you can read it quickly:
Part 1, Part 2 and Part 3
Now in Part 4, there are 10 new, powerful questions that will expose you to the deep concepts and latest trends of Android interviews. Get ready and go!
1️⃣What is the role of SaveDataHandle in ViewModel? Explain with an example.
Answer: SavedStateHandle is an extension of the ViewModel that helps save UI-related data during both temporary configuration changes (screen rotation) and permanent process death.
Example: If the user has entered some data in the form and the app is running in the background, then using SavedStateHandle we can restore our data.
2️⃣How is Hilt different from Dagger? Why prefer Hilt?
Answer: Hilt is a simplified version of Dagger that is optimized specifically for Android. Hilt generates automatic code (like @AndroidEntryPoint), which reduces boilerplate code. In Dagger, we have to do manual component setup, but Hilt is like a ‘plug-and-play’.
Fun Fact: We can call Hilt ‘Dagger’s smart younger sister’!”
3️⃣How to integrate Room Database with Kotlin Flow?
Answer: Room DAO methods have to be given Flow return type. When any change occurs in the database, Flow automatically…
