Online Access Free Associate-Android-Developer Exam Questions

To build a debug APK, you can open a command line and navigate to the root of your project directory. To initiate a debug build, invoke the assembleDebug task:
gradlew assembleDebug
This creates an APK named [module_name]-debug.apk in [project_name]/[module_name]/build/outputs/apk/ Select correct statements about generated file. (Choose all that apply.)

• A.The file is already signed with the debug key
• B.You can immediately install this file on a device.
• C.The file is already aligned with zipalign

To run your local unit tests, follow these steps:
1. Be sure your project is synchronized with Gradle by clicking Sync Project in the toolbar.
2. Run your test in one of the following ways (select possible): (Choose three.)

• A.To run a single test, open the Project window, and then right-click a test and click Run .
• B.To run all tests in a directory, right-click on the directory and select Run tests .
• C.To test all methods in a class, right-click a class or method in the test file and click Run .
• D.To run all tests in Project, open the Project window, and then right-click a test and click Run .

What is the incorrect statement about Data Access Object (androidx.room.Dao)?

• A.It is recommended to have only one Dao class in your codebase for all tables.
• B.The class marked with @Dao should either be an interface or an abstract class. At compile time, Room will generate an implementation of this class when it is referenced by a Database.
• C.Data Access Objects are the main classes where you define your database interactions. They can include a variety of query methods.
• D.An abstract @Dao class can optionally have a constructor that takes a Database as its only parameter.

Which build options in the Build menu to choose to delete all intermediate/cached build files.

• A.Make Module
• B.Rebuild Project
• C.Clean Project
• D.Generate Signed Bundle / APK
• E.Make Project

What do you want from Room when you create a DAO method and annotate it with @Update?
Example:
@Dao
interface MyDao {
@Update
fun updateUsers(vararg users: User)
}

• A.Room removes a set of entities, given as parameters, from the database. It uses the primary keys to find the entities to delete.
• B.Room modifies a set of entities, given as parameters, in the database. It uses a query that matches against the primary key of each entity.
• C.Room generates an implementation that inserts all parameters into the database in a single transaction.