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Crownstack Technologies Android Developer Interview Questions and Answers
Crownstack Technologies Android Developer Interview Experiences
1 interview found
(2 Questions)
- Q1. What is var and val in kotlin ?
- Ans.
var and val are keywords used for declaring variables in Kotlin.
var is used for declaring mutable variables whose value can be changed.
val is used for declaring immutable variables whose value cannot be changed.
Both var and val can be used for declaring variables of any data type.
Example: var age: Int = 25 (mutable variable), val name: String = "John" (immutable variable)
- Q2. What are scope functions in Kotlin ?
- Ans.
Scope functions are Kotlin's way of executing a block of code within the context of an object.
There are five scope functions: let, run, with, apply, and also.
They help to reduce boilerplate code and make code more concise.
Each function has a specific use case, such as accessing properties or chaining method calls.
Example: val result = myList?.let { list -> list.filter { it > 0 } }
Example: val result = myList.run { filt...
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Interview questions from similar companies
(2 Questions)
- Q1. Where is Android language use?
- Q2. Android Language is a Programming language in ready to Mobile apps and Desktop app....etc
Selected
I applied via Referral and was interviewed in May 2024. There were 2 interview rounds.
Two simple Leetcode Problems
Medium level question
Android Developer Interview Questions & Answers
BigStep Technologies
TechDelivery Hub
posted on 4 Oct 2023
(1 Question)
- Q1. Basic questions related to Android
(1 Question)
- Q1. Company culture and interests
(1 Question)
- Q1. Further discussions
I applied via LinkedIn and was interviewed in Feb 2020. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Android life cycle
- Q2. Firebase related
- Q3. Layouts used in your project & Advantage of Constraint layout
- Ans.
Used ConstraintLayout for flexible UI design
ConstraintLayout allows for flexible UI design and reduces nested layouts
It supports complex layouts with multiple views and constraints
It improves performance by reducing the number of layout hierarchies
Other layouts used include LinearLayout and RelativeLayout
- Q4. Basic java questions & Deadlock
- Q5. Explain any one of your project
- Q6. Design patterns you used so far. MVP, MVVM etc
- Ans.
I have used MVP and MVVM design patterns in my Android development projects.
MVP (Model-View-Presenter) separates the presentation layer from the business logic and data access layers.
MVVM (Model-View-ViewModel) separates the view from the business logic and data access layers, and uses data binding to update the view automatically.
MVP is better suited for smaller projects, while MVVM is better for larger projects with ...
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Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Feb 2024. There were 3 interview rounds.
It was js coding and react native related questions.
(1 Question)
- Q1. It was technical skills of Android and iOS application related react native
(1 Question)
- Q1. It was discussed about your career and judge our professional career.
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React Native Developer Interview Questions & Answers
Zazz IT Solutions
Anonymous
posted on 31 Mar 2024
Selected
I applied via Instahyre and was interviewed in Oct 2023. There was 1 interview round.
(1 Question)
- Q1. Javascript basic questions, React Native interview questions
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Feb 2023. There were 3 interview rounds.
Aptitude + coding test with screen sharing and audio and video recording.
(1 Question)
- Q1. Swift assessment questions and storyboard related
(2 Questions)
- 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
- Q2. Toast.make Text(context, "Hello World",Toast.LENGTH_SHORT).show();
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Selected
I applied via Referral and was interviewed in May 2024. There were 2 interview rounds.
Two simple Leetcode Problems
Medium level question
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Crownstack Technologies Android Developer Reviews and Ratings
based on 1 review
Rating in categories
|
Reactjs Developer
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salaries
|  ₹3 L/yr - ₹13.2 L/yr |
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Senior Inside Sales Executive
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| ₹4.8 L/yr - ₹8 L/yr |
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React Native Developer
8
salaries
| ₹5.5 L/yr - ₹7 L/yr |
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Front end Developer
8
salaries
| ₹4 L/yr - ₹7 L/yr |
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Android Developer
8
salaries
| ₹2.7 L/yr - ₹6.5 L/yr |
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