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8,450 android lead interview questions shared by candidates

One of the questions was setting up a basic android screen to fetch data from the internet. Some requirements will be passed and you have to adhere. Your Ui here doesn't have to be super great, just have to structure your code properly.
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Android Engineer

Interviewed at Cavista Technology

4★
Feb 15, 2022

One of the questions was setting up a basic android screen to fetch data from the internet. Some requirements will be passed and you have to adhere. Your Ui here doesn't have to be super great, just have to structure your code properly.

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.

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