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Android Engineer Interview Questions
10,466 android engineer interview questions shared by candidates
What is the difference between activities and fragments?
Technically strong and able to perform the task
-Do you know Kotlin or any other cross platform languages? -Describe your current project. -Design Architecture UML MVC and MVVM. -Difference between MVC and MVVM. -Android Lifecycle -If we rotate the screen how can we save the data on screen. -Through MVVM also we can save the data when rotating the screen. -Data binding -The Different launch modes in Android -Intent and its types. -What is the difference between Serializable and Parceable? -How can we pass the data from fragment to activity. -If through the interface where it is being defined. -What is the difference between Room database and Sqlite Database. -If we want to add columns to the room database then how it is achieved but no data should be lost. -If we write queries for the room database then it is written on the main UI Thread. How to write it on another thread. -If we want to add a header at run time in retrofit how can we achieve that. -What is the Singleton Pattern? Where have you used it in your project? -What is livedata? -Collection framework - Difference between arraylist and linkedlist. -What is hashmap and where it is used. -Null Acceptance in Hashmap. How many null values can be inserted for keys and values. -Does hashmap has insertion order preserved? -Which map has insertion order preserved. -Difference between Hashmap and Hashtable. -Difference between String, StringBuilder and StringBuffer. -What is compile time polymorphism and runtime polymorphism? -Have you used proguard? -Have you used test cases - Junit or mockito?
- Android exercise: It was already mentioned here it is a very simple project where you need to fetch list from API and display on screen and display a detail/description of the list item. - Final round: Behavioral / Situational questions asked by PM and HM
Write up a Java method that will take an int as input and return the applicable Fibonacci sequence number.
Mainly technical concepts, as I applied for a developer position.
and mostly he will ask from project which u did
Standard Android technical questions. Architecture, RxJava, Dagger2, Git, CI/CD, Intents, Services...
Pattern Problem in Java
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