Data management

  • Understanding how to define data using Room entities and access a Room database with a data access object (DAO) is crucial for persistent data storage.

  • Observing and responding to changing data using LiveData and utilizing a Repository to mediate data operations are important skills.

  • Developers should be able to read and parse raw resources or asset files and create persistent Preference data from user input.

  • Changing the behavior of an app based on user preferences is a key aspect of development.

Many Android apps store and retrieve user information that persists beyond the life of the app.

To prepare for the Associate Android Developer certification exam, developers should:

  • Understand how to define data using Room entities
  • Be able to access Room database with data access object (DAO)
  • Know how to observe and respond to changing data using LiveData
  • Understand how to use a Repository to mediate data operations
  • Be able to read and parse raw resources or asset files
  • Be able to create persistent Preference data from user input
  • Understand how to change the behavior of the app based on user preferences

Related Course Content

Other Resources

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