Xapads Media Senior Android Developer Interview Questions and Answers

OOP is a programming paradigm that uses objects to represent real-world entities and their interactions.

• OOP focuses on encapsulation, inheritance, and polymorphism.

• Encapsulation hides the internal details of an object and provides a public interface for interaction.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Polymorphism allows objects of different classes to be treated as if they a...read more

OOP is used in creating software applications that model real-world objects and their interactions.

• OOP allows for encapsulation, inheritance, and polymorphism

• Example: A banking application that models customers, accounts, and transactions

• Example: A game that models characters, weapons, and environments

Android has four main components: Activities, Services, Broadcast Receivers, and Content Providers.

• Activities: UI components that handle user interactions

• Services: Background processes that run without user interaction

• Broadcast Receivers: Respond to system-wide broadcast announcements

• Content Providers: Manage shared data between applications

LogCat is a debugging tool in Android Studio that displays system messages, including those generated by your app.

• LogCat is used to view and filter system logs, including debug messages, warnings, and errors.

• It can help developers identify and fix issues in their app.

• Log messages can be filtered by tag, priority, and other criteria.

• Example: Log.d(TAG, "Debug message"); will output a debug message with the specified tag...read more