Android Software Engineer Interview Questions

8,347 android software engineer interview questions shared by candidates

Core Android Concepts: Activity lifecycle, Fragment usage, threading (AsyncTask, Coroutines, Executors), View Binding, etc. Frameworks and Libraries: Knowledge of Jetpack components (Room, Navigation, LiveData, etc.), dependency injection (Dagger/Hilt/Koin), and build tools (Gradle). UI/UX: Custom views, animations, and Material Design principles. Networking: REST APIs, Retrofit, WebSocket, and offline caching. Performance Optimization: Memory leaks, APK size reduction, app performance tuning. Security: Best practices for data storage, encryption, and authentication. Example Questions: How do you handle configuration changes in Android? Explain the difference between Service and IntentService. How would you optimize app startup time?

Android Developer

Interviewed at A S Fashion Group

4
Nov 30, 2024

Core Android Concepts: Activity lifecycle, Fragment usage, threading (AsyncTask, Coroutines, Executors), View Binding, etc. Frameworks and Libraries: Knowledge of Jetpack components (Room, Navigation, LiveData, etc.), dependency injection (Dagger/Hilt/Koin), and build tools (Gradle). UI/UX: Custom views, animations, and Material Design principles. Networking: REST APIs, Retrofit, WebSocket, and offline caching. Performance Optimization: Memory leaks, APK size reduction, app performance tuning. Security: Best practices for data storage, encryption, and authentication. Example Questions: How do you handle configuration changes in Android? Explain the difference between Service and IntentService. How would you optimize app startup time?

Com a PTW: pergunta normais da área, o que é SOLID, Clean architecture, flows, etc. Com o cliente: perguntas de baixo nível de kotlin e android. O que é uma data class, e como o kotlin compila essa classe em comparação com uma classe normal e 1 hora e meia desse tipo de pergunta que não fazem sentido saber na ponta da língua.
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Senior Android Developer

Interviewed at PTW

3.2
Feb 18, 2025

Com a PTW: pergunta normais da área, o que é SOLID, Clean architecture, flows, etc. Com o cliente: perguntas de baixo nível de kotlin e android. O que é uma data class, e como o kotlin compila essa classe em comparação com uma classe normal e 1 hora e meia desse tipo de pergunta que não fazem sentido saber na ponta da língua.

the questions weren't related to android at all they were basically output questions like you would have for Java but in kotlin, there were 20 questions 1 basic coding question which you have to solve in kotlin 8 OOP output questions 6 kotlin questions and 5 advanced questions.
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Android Developer

Interviewed at 1mg

3.4
Nov 23, 2021

the questions weren't related to android at all they were basically output questions like you would have for Java but in kotlin, there were 20 questions 1 basic coding question which you have to solve in kotlin 8 OOP output questions 6 kotlin questions and 5 advanced questions.

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