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Android Senior Developer Interview Questions

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10,458 android senior developer interview questions shared by candidates

What is Flutter, and how does it differ from other mobile app development frameworks like React Native or native development? Explain the concept of widgets in Flutter. What is the difference between stateless and stateful widgets? What is the main programming language used in Flutter for app development, and why was it chosen? Describe the widget tree and the element tree in Flutter. How do they relate to each other? What is the purpose of the "pubspec.yaml" file in a Flutter project, and what are some common dependencies specified in this file? Explain the role of the Flutter "BuildContext" and why it's important in building user interfaces. What is the "Hot Reload" feature in Flutter, and how does it benefit developers during the development process? Discuss the layout and positioning of widgets in Flutter. What are some common layout widgets, and how do they work? How does Flutter handle platform-specific code and integrations with native device features (e.g., camera, GPS)? What is Flutter's package management system, and how can developers create and distribute their own Flutter packages? These questions cover a range of fundamental topics related to Flutter app development. You can adjust the complexity based on the level of expertise you're targeting, from beginner to advanced.

Android Developer Intern

Interviewed at Matlync

4★
Aug 31, 2023

What is Flutter, and how does it differ from other mobile app development frameworks like React Native or native development? Explain the concept of widgets in Flutter. What is the difference between stateless and stateful widgets? What is the main programming language used in Flutter for app development, and why was it chosen? Describe the widget tree and the element tree in Flutter. How do they relate to each other? What is the purpose of the "pubspec.yaml" file in a Flutter project, and what are some common dependencies specified in this file? Explain the role of the Flutter "BuildContext" and why it's important in building user interfaces. What is the "Hot Reload" feature in Flutter, and how does it benefit developers during the development process? Discuss the layout and positioning of widgets in Flutter. What are some common layout widgets, and how do they work? How does Flutter handle platform-specific code and integrations with native device features (e.g., camera, GPS)? What is Flutter's package management system, and how can developers create and distribute their own Flutter packages? These questions cover a range of fundamental topics related to Flutter app development. You can adjust the complexity based on the level of expertise you're targeting, from beginner to advanced.

1. Return last kth element from linked list 2. Parsing list into tree 3. Difference between process and thread' 4. IPC 5. Why use user mode and kernel mode 6. volatile and visibility 7. Lock and reader/writer problem 8. jvm garbage collection 9. Android 4 components 10. Difference between Activity and Service 11. What's content in HTML header? 12. What is HTTP protocol? 13. ACID and CAP 14. What do you know about virtual memory
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Software Engineer - Android

Interviewed at Garena

4★
Nov 6, 2021

1. Return last kth element from linked list 2. Parsing list into tree 3. Difference between process and thread' 4. IPC 5. Why use user mode and kernel mode 6. volatile and visibility 7. Lock and reader/writer problem 8. jvm garbage collection 9. Android 4 components 10. Difference between Activity and Service 11. What's content in HTML header? 12. What is HTTP protocol? 13. ACID and CAP 14. What do you know about virtual memory

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