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PRM392 Final Test Questions with Correct Answers 100% Pass C - Answers What Activity lifecycle methods are called when a device-configuration change (such as rotation) occurs? Choose one: A. Android immediately shuts down your Activity by calling onStop(). Your code must restart the Activity. B...

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  • March 25, 2025
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  • 2024/2025
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PRM392 Final Test Questions with Correct Answers 100% Pass

C - Answers What Activity lifecycle methods are called when a device-configuration change (such as
rotation) occurs? Choose one:

A. Android immediately shuts down your Activity by calling onStop(). Your code must restart the Activity.

B. Android shuts down your Activity by calling onPause(), onStop(), and onDestroy(). Your code must
restart the Activity.

C. Android shuts down your Activity by calling onPause(), onStop(), and onDestroy(), and then starts it
over again, calling onCreate(), onStart(), and onResume().

D. Android immediately calls onResume().

ACD - Answers What are components in Room?

A. Entity

B. DatabaseHelper

C. Repository

D. DAO

B - Answers Which component is used to open an Activity when user taps a notification?

A. Action button

B. PendingIntent that's sent when the user taps the action button

C. Title that describes the action

D. Icon that represents the action

B - Answers How to store heavy structured data in android?

A. Not possible

B. SQlite database

C. Cursor

D. Shared Preferences

ACD - Answers Which of the following are true statements about implicit and explicit intent? (3 answers)

A. Android delivers an explicit intent to a target component without consulting filters in the
AndroidManifest.xml file

,B. Implicit intents are typically used to interact with components residing in other apps

C. Explicit intents are typically used to interact with components residing in other apps

D. Android delivers an implicit intent to a target component only if it matches one of its intent filters in
the AndroidManifest.xml file

AB - Answers How do you send data from an activity to a fragment?

A. Set a Bundle and use the Fragment.setArguments(Bundle) method tosupply the construction
arguments for the fragment.

B. Use the Fragment method getArguments() to get the arguments.

C. Define an interface in the Fragment class, and implement the interface in the activity.

D. Call addToBackStack() during a transaction that removes the fragment.

B - Answers Which of the following should be used to save the unsaved data and release resources being
used by Android application?

A. Activity onStop()

B. Activity onDestroy()

C. Activity onPause()

D. Activity on Shutdown()

ABCD - Answers Android Architecture Components provide some convenience annotations for DAOS.
Which of the following are available? (Choose 4 answers)

A. @Query

B. @Insert

C. @Delete

D. @Update

E. @Select

C - Answers Suppose you want to create an app that has a white background, dark text, and a dark
action bar. Which base style does your application style inherit from?

A. Theme.AppCompat.Light

B. Theme.AppCompat Dark.NoActionBar

, C. Theme.AppCompat.Light.DarkActionBar

D. Theme.AppCompat.NoActionBar

ABD - Answers What are the advantages of using a Room database? (Choose 3 answers)

A. Creates and manages an Android SQLite database for you.

B. Eliminates a lot of boilerplate code.

C. Helps you manage multiple applications.

D. Using a DAO, provides a mechanism for mapping Java methods to database queries

A - Answers When in the Activity lifecycle is onSavelnstanceState() called?

A. onSavelnstanceState() is called before the onStop() method.

B. onSavelnstanceState() is called before the onResume() method.

C. onSavelnstanceState() is called before the onCreate() method.

D. onSavelnstanceState() is called before the onDestroy() method

AB - Answers Which of the following correctly describe what Android's IntentService does? (2 answers)

A. It's a framework that handles asynchronous requests on demand

B. It expresses requests as intent & passes them between threads and/or process

C. It is a component that provides a screen within which users can interact in order to do something

D. It is an event handler that reponds to system-side broadcast announcement

A - Answers If an AsyncTask is defined as follows

private class DownloadFiles Task extends AsyncTask<URL, Integer, Long>

What is the type of the value that is passed to doInBackground() in the AsyncTask?

A. URL

B. Integer

C. Void

D. Long

ADE - Answers Which of the following are methods in the activity and fragment lifecycles? (Choose 3
answers)

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