Architecture Components

1. Which method is first called when the app no longer has focus?

   onPause()

   onStart()

   onCreate()

   onStop()

2. After ___, the app is no longer visible on screen.

   onPause()

   onStart()

   onCreate()

   onStop()

3. Use ___ to write a debug message. This method takes two arguments: the log tag and the log message.

   Log.i()

   Log.d()

   Log.e()

   Log.w()

4. To save a value that needs to survive a configuration change, declare its variables with ___.

   MutableState{}

   rememberSaveable{}

   remember{}

   State Hoisting

5. The separation of concerns design principle states that the app should be divided into classes, each with separate responsibilities.

   True

   False

6. The UI is what the user sees, while the UI state is what the app says they should see.

   True

   False

7. According to the recommended app architecture, each application should have at least the following two layers:

   The domain layer and the data layer

   The UI layer and the data layer

   Repository layer and the UI layer

   The domain layer and the UI layer

8. StateFlow is a data-holder observable flow that emits the current and new state updates.

   True

   False

9. Which of the following configurations should be added to the build.gradle file to add dependencies for the unit test source code?

   implementation

   testImplementation

   debugImplementation

   androidTestImplementation

10. Unit tests are executed on an Android device or emulator.

    True

    False

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