Google Google Certifications ASSOCIATE-ANDROID-DEVELOPER Questions & Answers

• Question 121:

  Select correct demonstration of WorkRequest cancellation.

  A. workManager.enqueue(OneTimeWorkRequest.Builder(FooWorker::class.java).build ())

  B. val request: WorkRequest = OneTimeWorkRequest.Builder (FooWorker::class.java).build() workManager.enqueue(request) val status = workManager.getWorkInfoByIdLiveData(request.id) status.observe(...)

  C. val request: WorkRequest = OneTimeWorkRequest.Builder (FooWorker::class.java).build() workManager.enqueue(request) workManager.cancelWorkById(request.id)

  D. val request1: WorkRequest = OneTimeWorkRequest.Builder (FooWorker::class.java).build() val request2: WorkRequest = OneTimeWorkRequest.Builder (BarWorker::class.java).build() val request3: WorkRequest = OneTimeWorkRequest.Builder (BazWorker::class.java).build() workManager.beginWith(request1, request2).then(request3).enqueue()

  E. val request: WorkRequest = OneTimeWorkRequest.Builder (FooWorker::class.java).build() workManager.enqueue(request) workManager.cancelWork(request)

  Correct Answer: C

  Videos:

  1.

  Working with WorkManager, from the 2018 Android Dev Summit

  2.

  WorkManager: Beyond the basics, from the 2019 Android Dev Summit

  Reference: https://developer.android.com/reference/androidx/work/WorkManager?hl=en

• Question 122:

  By default, the notification's text content is truncated to fit one line. If you want your notification to be longer, for example, to create a larger text area, you can do it in this way:

  A. var builder = NotificationCompat.Builder(this, CHANNEL_ID).setContentText("Much longer text that cannot fit one line...").setStyle(NotificationCompat.BigTextStyle()

  .bigText("Much longer text that cannot fit one line..."))

  ...

  B. var builder = NotificationCompat.Builder(this, CHANNEL_ID)

  .setContentText("Much longer text that cannot fit one line...")

  .setLongText("Much longer text that cannot fit one line..."))

  ...

  C. var builder = NotificationCompat.Builder(this, CHANNEL_ID).setContentText("Much longer text that cannot fit one line...").setTheme(android.R.style.Theme_LongText); ...

  Correct Answer: A

  Reference: https://developer.android.com/training/notify-user/build-notification

• Question 123:

  What is a correct part of an Implicit Intent for sharing data implementation?

  A. val sendIntent = Intent(this, UploadService::class.java).apply { putExtra(Intent.EXTRA_TEXT, textMessage) ...

  B. val sendIntent = Intent().apply { type = Intent.ACTION_SEND; ...

  C. val sendIntent = Intent(this, UploadService::class.java).apply { data = Uri.parse(fileUrl) ...

  D. val sendIntent = Intent().apply { action = Intent.ACTION_SEND ...

  Correct Answer: D

  Create the text message with a string

  val sendIntent = Intent().apply {

  action = Intent.ACTION_SEND

  putExtra(Intent.EXTRA_TEXT, textMessage)

  type = "text/plain"

  }

  Reference:

  https://developer.android.com/guide/components/fundamentals

• Question 124:

  DRAG DROP

  With recommended app architecture. Fill the following diagram, which shows how all the modules usually should interact with one another after designing the app (drag modules to correct places).

  Select and Place:

  

  Correct Answer:

  

• Question 125:

  DRAG DROP

  The diagram below shows a basic form of the recommended architecture for apps that use Architecture Components. The architecture consists of a UI controller, a ViewModel that serves LiveData, a Repository, and a Room database. Drag modules to correct places.

  Select and Place:

  

  Correct Answer:

  

• Question 126:

  DRAG DROP

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

  Select and Place:

  

  Correct Answer:

  

  Videos:

  1.

  Working with WorkManager, from the 2018 Android Dev Summit

  2.

  WorkManager: Beyond the basics, from the 2019 Android Dev Summit

  Reference: https://developer.android.com/reference/androidx/work/WorkManager?hl=en

• Question 127:

  DRAG DROP

  Move the major components of the Android platform to correct places in diagram.

  Select and Place:

  

  Correct Answer:

  

  Reference: https://developer.android.com/guide/platform

• Question 128:

  DRAG DROP

  In a common Paging Library architecture scheme, move instances to the correct positions.

  Select and Place:

  

  Correct Answer:

  

  Reference: https://developer.android.com/topic/libraries/architecture/paging/ui