PowerSchool India Flutter Developer Interview Questions, Process, and Tips

Program to print Fibonacci series of N natural numbers.

• Use a loop to generate Fibonacci series up to N numbers.

• Start with 0 and 1 as the first two numbers in the series.

• Each subsequent number is the sum of the two preceding numbers.

• Repeat the process until N numbers are generated.

Program to check if a number is prime

• Iterate from 2 to square root of the number and check for divisibility

• If the number is divisible by any number other than 1 and itself, it is not prime

• Return true if the number is prime, false otherwise

OOPS stands for Object-Oriented Programming System. It includes concepts like polymorphism, abstraction, inheritance, and encapsulation.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass. Example: a shape class with subclasses like circle and square.

• Abstraction is the concept of hiding the implementation details and showing only the necessary features of an object. Example:...read more

Flutter project file structure includes folders like lib, android, ios, and assets.

• The 'lib' folder contains all the Dart code for the project.

• The 'android' folder contains the Android-specific project files.

• The 'ios' folder contains the iOS-specific project files.

• The 'assets' folder is used to store images, fonts, and other static files used in the app.

Deploying a Flutter app on Play Store and App Store involves several steps including creating app bundles, setting up app listings, and submitting for review.

• Create app bundles for Android and IPA files for iOS

• Set up app listings with descriptions, screenshots, and keywords

• Generate signing keys for both platforms

• Submit the app for review on Play Store and App Store

• Wait for approval and release the app to users

Packages are collections of Dart code that provide functionality, while plugins are platform-specific code that interacts with native code.

• Packages are written in Dart and can be used across different platforms.

• Plugins are platform-specific and interact with native code for functionalities like accessing device hardware.

• Examples of packages include http, shared_preferences, while examples of plugins include camera, loc...read more