Solulab inc Android Developer Interview Questions and Answers

Q1. What is an activity in Android?
Ans. 
An activity in Android is a single screen with a user interface where users can interact with the app.
• Activities are the building blocks of an Android app.

• Each activity is a subclass of the Activity class.

• Activities can be started, paused, resumed, and stopped based on user interactions.

• Examples: Login screen, settings screen, profile screen.
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Q2. An activity represents a single screen in an app.
Ans. 
Yes, an activity represents a single screen in an app.
• An activity is a component of an app that provides a user interface.

• Each activity typically corresponds to one screen in the app.

• Activities can be started and stopped, and can interact with each other.

• Examples: Login screen, Home screen, Settings screen.
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Q1. What is an activity in Android?
Ans. 
An activity in Android is a single screen with a user interface where users can interact with the app.
• Activities are the building blocks of an Android app.

• Each activity is a subclass of the Activity class.

• Activities can be started, paused, resumed, and stopped based on user interactions.

• Examples: Login screen, Settings screen, Main screen.
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Q2. It's a screen representing a UI in an Android app.
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Q1. Where is Android language use?
Ans. 
Android language is used in developing applications for Android devices.
• Android language, such as Java or Kotlin, is used to develop mobile applications for Android devices

• Android language is used to create user interfaces, handle data storage, and implement functionality in Android apps

• Developers can use Android Studio, an official IDE for Android development, to write and test their code
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Q2. Android Language is a Programming language in ready to Mobile apps and Desktop app....etc
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Q1. How do you the display a Toast message in Android?
Ans. 
To display a Toast message in Android, use the Toast class and call the makeText() method.
• Create a Toast object by calling Toast.makeText() method with context, message, and duration parameters

• Call show() method on the Toast object to display the message on the screen
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Q2. Toast.make Text(context, "Hello World",Toast.LENGTH_SHORT).show();
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Q1. How does the android jetpack Navigation component improve pp navigation?
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Q2. How does the ViewModel help in managing UI-related data in Android?
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Q1. What is the difference between Activity and Fragment in Android?
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Q2. Activity and Fragment.
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1st test was aptitude and a easy coding test

The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question

Q1. Round 3 was technical interview and asked from basics of computer programming and architecture
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Q1. What is your family background?
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Q2. Why are you looking for a change?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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