Online Access Free Associate-Android-Developer Exam Questions

Under the hood WorkManager uses an underlying job dispatching service based on the following criteri a. You need to move services to the correct places.

Correct Answer:

Explanation:
Videos:
Working with WorkManager, from the 2018 Android Dev Summit
WorkManager: Beyond the basics, from the 2019 Android Dev Summit
Reference:
https://developer.android.com/reference/androidx/work/WorkManager?hl=en

By adding a RoomDatabase.Callback to the room database builder RoomDatabase.Builder (method addCallback(RoomDatabase.Callback callback)), we can: (Choose two.)

• A.set the database factory
• B.disable the main thread query check for Room
• C.handle database first time creation
• D.handle database opening

What is demonstrated by the code below?
// RawDao.java
@Dao
interface RawDao {
@RawQuery
User getUserViaQuery(SupportSQLiteQuery query);
}
// Usage of RawDao
...
SimpleSQLiteQuery query =
new SimpleSQLiteQuery("SELECT * FROM User WHERE id = ? LIMIT 1",
new Object[]{userId});
User user = rawDao.getUserViaQuery(query);
...

• A.A method in a Dao annotated class as a query method.
• B.A method in a Dao annotated class as a raw query method where you can pass the query as a SupportSQLiteQuery.
• C.A method in a RoomDatabase class as a query method.

To create a basic JUnit 4 test class, create a class that contains one or more test methods. A test method begins with the specific annotation and contains the code to exercise and verify a single functionality in the component that you want to test. What is the annotation?

• A.@Rule
• B.@LargeTest
• C.@RunWith
• D.@Test

If constant LENGTH_INDEFINITE is used as a parameter for the setDuration method in Snackbar, what will happen?

• A.The Snackbar will be displayed for a short period of time.
• B.The Snackbar will be displayed for a long period of time.
• C.The Snackbar will be displayed for a very long period of time.
• D.The Snackbar will be displayed from the time that is shown until either it is dismissed, or another Snackbar is shown.
• E.The constant LENGTH_INDEFINITE is impossible parameter for the setDuration method in Snackbar