Skymute interview question

Can you explain the Android Activity lifecycle? What is the difference between Serializable and Parcelable? When would you use one over the other? How do you handle orientation changes in Android? Explain the difference between View.GONE and View.INVISIBLE. What are some best practices for optimizing Android app performance? How do you implement data persistence in Android? Can you explain the difference between AsyncTask, Thread, and Handler in Android? What is the Android Support Library, and why is it important? Describe how you would implement push notifications in an Android app. What is Dependency Injection, and how can it be implemented in Android development?