Saving Data on Android

Database Access Objects
.
Along the way, you will also learn:
• What DAOs are and how they work.
• How to create DAOs using Room annotations.
• How to prepopulate the database using a provider class.
• How to perform 
INSERT INTO
 queries  using 
@Insert
 annotated methods.
• How to perform 
DELETE FROM
 queries using 
@Delete
annotated methods.
• How to use the 
@Query
 annotation, to read data from the database.
Ready? Dive in!
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GeTng started
Download the starter project attached to this chapter and open it using 
Android 
Studio 3.4
 or above. Once Gradle finishes building your project, take some time to 
familiarize yourself with the code. If you have been following along, to this point, 
you should already be familiar with the project since it is the same as the final 
project from the last chapter. If you are just getting started, here is a quick recap of 
the code:
• The