android and Flutter Developer
android and Flutter Developer Interview Questions and Answers for Freshers
Q1. How do you do state management in flutter ?
State management in Flutter is done using various approaches like setState, InheritedWidget, Provider, BLoC, Redux, etc.
setState is the simplest approach for small apps with few widgets.
InheritedWidget is used for sharing data across the widget tree.
Provider is a popular state management solution that uses InheritedWidget internally.
BLoC (Business Logic Component) separates business logic from UI and uses Streams to manage state.
Redux is a predictable state container that use...read more
Q2. Write code for swapping two numbers using two variables only
Code for swapping two numbers using two variables only
Use a temporary variable to store the value of one variable
Assign the value of the second variable to the first variable
Assign the value of the temporary variable to the second variable
Q3. Write code for input swapping in flutter
Code for input swapping in Flutter
Create two TextEditingControllers to hold the values of the input fields
Use a temporary variable to swap the values of the controllers
Update the state of the input fields with the new values
Q4. Explain flutter in detail ?
Flutter is a mobile app SDK for building high-performance, high-fidelity, apps for iOS and Android, from a single codebase.
Flutter is developed by Google and uses Dart programming language.
It allows for hot reload, which means developers can see the changes they make in real-time.
Flutter has its own set of customizable widgets and also supports Material Design and Cupertino widgets.
It has a reactive programming model and supports asynchronous programming.
Flutter is used by po...read more
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