Flutter Basics
Core Flutter concepts, widgets, lifecycle, and framework fundamentals
54
Easy Questions
77
Medium Questions
7
Hard Questions
Easy Questions (54)
#53EasyFlutter Basics
Flutter difference between (debug , release , profile )build
flutter
#60EasyFlutter Basics
Flutter difference between set state and provider ?
flutterstateprovider
#62EasyFlutter Basics
Flutter difference between native development vs flutter ?
flutternative
#66EasyFlutter Basics
Flutter Difference between async , await , future ?
flutterasyncfuture
#109EasyFlutter Basics
What is StatefulBuilder and it’s use case (example setState)
state
#133EasyFlutter Basics
in flutter using “as Map” vs using “ is Map” ? Whats the difference between them
flutter
#156EasyFlutter Basics
What is flutter pigeon? ( https://www.linkedin.com/pulse/exploring-native-integration-get-battery-level-flutter-vyrodov-rud9f/ )
flutternative
View Details →Resources
#164EasyFlutter Basics
what is debouncing in flutter ( https://medium.com/codingmountain-blog/debouncing-in-flutter-ed74847e17ff )
flutter
View Details →Resources
#168EasyFlutter Basics
What is obsolete files give me with some example in flutter?
flutter
#178EasyFlutter Basics
What is protobuf and how we can use it with flutter ? (sample plugins protoc_plugin , protobuf)
flutter
#183EasyFlutter Basics
What is concurrency and isolates works check this link ? https://docs.flutter.dev/perf/isolates
flutter
View Details →Resources
#186EasyFlutter Basics
What is the recent changes in flutter threading mechanism (https://curogom.dev/flutters-major-transformation-the-great-thread-merge-e2b162193f55 , https://www.youtube.com/watch?v=miW7vCmQwnw )
flutter
View Details →Resources
#188EasyFlutter Basics
What is Flutter SDK ? and what is the full form of SDK → ( Software Development Kit )
flutter
#193EasyFlutter Basics
What is the shortcut to create flutter stateless and stateful widgets ?
flutterwidgetstate
#203EasyFlutter Basics
Diff between flutter widgetBinding and MicroTask? And architectural flow diagram how they renderer?
flutterwidget
#209EasyFlutter Basics
What is the difference between main isolates and event loop in flutter ?
flutter
#210EasyFlutter Basics
What is inherited widget in flutter and what are all the use cases of it
flutterwidget
#211EasyFlutter Basics
Difference between InheritedWidget vs Provider vs Riverpod vs Bloc vs GetX ?
widgetblocgetxriverpodprovider
#214EasyFlutter Basics
What is flutter hooks ? and how it is differ from state managements ?
flutterstate
#223EasyFlutter Basics
What is the use of assert in flutter give me with some example ?
flutter
#225EasyFlutter Basics
what is the different key’s in flutter and what is the use of them in different scenario provide me with some example ?
flutter
#236EasyFlutter Basics
What is flutter web renderer ? https://docs.flutter.dev/platform-integration/web/renderers
flutter
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#241EasyFlutter Basics
What is the use of ( universal html / html / flutter html ) - plugins ?
flutter
#244EasyFlutter Basics
What is the use of RegExp in flutter provide me all the use cases that i can use this option for ?
flutter
#266EasyFlutter Basics
What is the difference between hive , objectbox , sqlite database in flutter ?
flutterdatabase
#273EasyFlutter Basics
What is the use of yield in flutter proviide me with some real world example ?
flutter
#275EasyFlutter Basics
What is the difference between using navigator 1.0 vs navigator 2.0 ? why flutter brought navigator 2.0 ?
flutter
#282EasyFlutter Basics
what is the use of entity in flutter difference between using entity and models ?
flutter
Medium Questions (77)
#50MediumFlutter Basics
Flutter OOPS concept must know (refer the question number 76)
flutteroops
#55MediumFlutter Basics
Flutter write a function to list prime members from 0 to 100
flutter
#56MediumFlutter Basics
Flutter must know sqflite package for local storage all the interview questions asked
flutterstorage
#57MediumFlutter Basics
Flutter how to change the first letter capital in all of this “Hello print my Name”; change this to “Hello Print My Name”;
flutterapi
#58MediumFlutter Basics
Flutter how to change the first letter capital in all of this “Hello print my Name”; change this to “HelloprintmyName”;
flutterapi
#63MediumFlutter Basics
Flutter What about the performance in flutter over native development ?
flutterperformancenative
#64MediumFlutter Basics
Flutter How MVVM Architecture will looks like ?
flutterarchitecturemvvm
#79MediumFlutter Basics
What are all the principle in flutter and explain (example like solid principle ) ?
flutter
#80MediumFlutter Basics
What is streams and how to use streams in flutter and what is types of stream in flutter ?
flutterstream
#89MediumFlutter Basics
What is flutter architecture ? ( https://docs.flutter.dev/resources/architectural-overview )
flutterarchitecture
View Details →Resources
#101MediumFlutter Basics
Have you used any logger plugin (flutter log handler , flog)
flutter
#106MediumFlutter Basics
What are the different types of architecture in flutter and benefits (feature first , layer first)
flutterarchitecture
#112MediumFlutter Basics
Flutter architecture guide lines ( https://docs.flutter.dev/app-architecture/guide )
flutterarchitecture
View Details →Resources
#117MediumFlutter Basics
Essential flutter development tool in 2025 ( https://www.linkedin.com/posts/hassanzaheer21_21-flutter-tool-to-know-in-2025-ugcPost-7289226340543688705-03sE?utm_source=share&utm_medium=member_desktop&rcm=ACoAACQZZM0BQh1tAnaXXLafEekcST6WD71BnsY )
flutter
View Details →Resources
#149MediumFlutter Basics
What compiler it uses in profile mode , release mode and debug mode in flutter?
flutter
#1MediumFlutter Basics
**Teardown (The Hidden Cost):** Before `main()` can run again, the Flutter framework must tear down the current state (disposing of widgets, states, controllers, etc.). This cleanup process takes time and is the primary reason for extra delay.
flutterwidgetstateclean
#165MediumFlutter Basics
When the app is in foreground notification appears at the top tapping on the notification the lifecycle state is changing from inactive to resume why? Check both in android and ios ?
stateandroidios
#172MediumFlutter Basics
What is the use of didChangeMetrics ? this is in flutter lifecycle state
flutterstate
#176MediumFlutter Basics
How to control the image widget taking so much ram → particularly when list of images shown example list of 1000 people profile like profile image with there names ?
widget
#177MediumFlutter Basics
Without statemanagement/BLOC,riverpod like statemanagement not allow need to use native flutter any possible way to update the state of the widget or how we can develop the app without state management?
flutterwidgetstateblocriverpod
#2MediumFlutter Basics
**App-wide state:** `InheritedWidget`, `InheritedNotifier`, `InheritedModel`.
widgetstate
#187MediumFlutter Basics
What if flutter secure storage and get storage already have a key in the name when you try to write the new data to that key will it overwrite or else throw error ?
flutterstorage
#228MediumFlutter Basics
How to use search functionality in flutter provide me the sample code for searching in the list and providing the similar matching and exact matching data ?
flutter
#247MediumFlutter Basics
How to use state synchronization in riverpod across multiple devices in flutter ?
flutterstateriverpod
#252MediumFlutter Basics
What are all the important flutter commands for building the app ?
flutter
#257MediumFlutter Basics
What is deprecated how to use it with methods in flutter with sample code ?
flutter
#263MediumFlutter Basics
What are all the common design patterns used in flutter projects ?
flutter
#264MediumFlutter Basics
how to securely store the access token , refresh token or any key in android , ios device ?
androidios
#265MediumFlutter Basics
How flutter secure storage plugin stores the key in both android and iOS ?
flutterstorageandroidios
#269MediumFlutter Basics
What are all the NOSQL databases that we can use it to build flutter apps ?
flutterdatabase
#274MediumFlutter Basics
When your sharing your screen or taking screenshot of your app how to make sure privacy content or not shared or not taken screen shot in flutter ?
flutter
#277MediumFlutter Basics
What is the difference between element tree and the rendering object in flutter architecture pipeline ?
flutterarchitecture
#279MediumFlutter Basics
In flutter bloc , riverpod how to handle multiple statemanagements in the single file ? Like if a single file have to use 2 or 3 riverpod providers how to handle that scenario ?
flutterstateblocriverpodprovider
#285MediumFlutter Basics
comparing to native android app , flutter app startup time is very high why how to reduce it ?
flutternativeandroid
#287MediumFlutter Basics
What are all the app lifecycle states in flutter ?
flutterstate
#290MediumFlutter Basics
What is the difference between MVC, MVP, clean architecture and MVVM Architecture Pattern? and when flutter officially support mvvm architech why you choose clean architech over mvvm ?
flutterarchitecturemvcmvvmmvp
#291MediumFlutter Basics
does flutter completely depends on oops ? explain me also how java , kotlin , swift are they depends on oops ?
flutteroops
#292MediumFlutter Basics
in dispose in flutter stateful widget example the animation controller is called before the super.dispose() or after the super.dispose() ? and why ?
flutterwidgetstate
#298MediumFlutter Basics
Normal counterScreen code inside that widget add another childer which is ExpensiveWidget now instead of using setState() use any other state management to update the counter value ? because expensive widget is not needed to rebuild when the counter value is updated ?
widgetstate
#302MediumFlutter Basics
inside the Listview widget if the list.generate with 1000 items then the UI freeze why ? and how to solve this issue ?
widget
#4MediumFlutter Basics
This site consists of Difference Between MVC, MVP, and MVVM Architecture Pattern?
flutterarchitecturemvcmvvmmvp
#306MediumFlutter Basics
What is the difference between MaterialApp and WidgetsApp in Flutter?
flutterwidget
Hard Questions (7)
#233HardFlutter Basics
Difference between AWS - Lambda , AppSync , Cognito and what is the use of it with Flutter also compare it with Firebase ?
flutterfirebase
#242HardFlutter Basics
If the input data = “Flutter apps are so beautiful” , output data = “rettulf sppa era os lufituaeb” write a code for this input and the expected result is output data ?
flutter
#245HardFlutter Basics
How to optimize and develop high-quality Flutter applications ?
flutter
#250HardFlutter Basics
what is kotlin coroutines and what is the use of it compare it with flutter and provide me some example ?
flutter
#254HardFlutter Basics
What is PWA and compare it with native android and flutter which is better ?
flutternativeandroid
#261HardFlutter Basics
FLUTTER → FULL DETAILED ARCHITECTURE → flutter_app_how_running_in_android_device_detailed_architecture (Check the github - interview prep docs )
flutterandroidarchitecturegit
#299HardFlutter Basics
Without statemangement how to create a widget with loader , show data , show error message ?
widgetstate