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Chapter 6. Opening and Closing an Application and Saving Data
Chapter 6. Opening and Closing an Application and Saving Data
The difference between a bad programmer and a good one is whether he considers his code or his data structures more important. Bad programmers worry about the code. Good programmers worry about data structures and their relationships.
— Linus Benedict Torvalds
In Android, every application, also called an activity, is given a unique user ID and runs in its own process. The system—more specifically, the Activity Manager—manages the life cycle of applications and provides a common activity stack.
