Android Common Questions

General Android questions

• The Activity life cycle is must. Different phases of Activity Life cycle. For example: when and how the activity comes to foreground?
• Knowledge on AndroidManifest file, For example: Why do we need this file, What is the role of this file in Android app development.
• Different Kinds of Intents
• Different Kinds of Context
• Different Storage Methods in android
• Kinds of Log debugger and Debugger Configuration
• How to debug the application on real device.
• How do you ensure that the app design will be consistent across the different screen resolutions
• Thread concepts also plus points as we deal with the treads more.
• Can you able to build custom views and how?
• How to create flexible layouts, For example to place English, Chinese fonts.
• What is localization and how to achieve?
• What are 9-patch images
• How to avoid ANR status
• How to do Memory management
• Inter Process Communication (IPC)
• What is onCreate(Bundle savedInstanceState), Have you used savedInstanceState when and why?
• Fragments in an Activity
• When to use a service
• How to use a broadcast receiver and register it both in the manifest and in code
• Intent filters
• The types of flags to run an application
• How to do data intensive calculations using threads
• Passing large objects (that can’t be passed via intents and shouldn’t be serialized) via a service
• Binding to a service and the service lifecycle
• How to persist data (both savedInstanceState and more permanent ways)

Let us know if you have any other questions that should be added in the list. And don’t forget to share!
Reference: Android Interview Questions And Answers from our JCG partner at the Android-Tutorials blog.