Exam style questions across every Associate-Android-Developer domain
Last Update 2 days ago
Total Questions : 128
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A class that you create for managing multiple data sources. In addition to a Room database, this class could manage remote data sources such as a web server. It is about:
The Layout Inspector in Android Studio allows you to compare your app layout with design mockups, display a magnified or 3D view of your app, and examine details of its layout at runtime. When this is especially useful?
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.)
@Query is the main annotation used in DAO classes. It allows you to perform read/write operations on a database. Each @Query method is verified at compile time, so what happens if there is a problem with the query?
Once your test has obtained a UiObject object, you can call the methods in the UiObject class to perform user interactions on the UI component represented by that object. You can specify such actions as: (Choose four.)
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?
Room can export your database's schema information into a JSON file at compile time. What annotation processor property you should set in your app/build.gradle file to export the schema?
For example, we have a file in our assets folder app/src/main/assets/sample_teas.json. To get an InputStream for reading it, from out Context context, we can try do this:
