Android Studio - 22 - Android Permissions MCQ

Android Studio – 22 – Android Permissions

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1. What are Android permissions used for?

Sending text messages

Playing games

Taking photos

Granting access to device features and data

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2. How are permissions requested in an Android app?

Not required for Android apps

Requested by the developer as needed

Automatically granted to all apps

Requested by default upon app installation

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3. What happens if an app requests a permission that the user denies?

The user is prompted to uninstall the app

The app is denied access to the requested feature or data

The app is automatically granted permission

The user's device is locked

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4. Which component is responsible for requesting permissions in Android?

Service

PackageManager

Activity

BroadcastReceiver

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5. What is the purpose of the AndroidManifest.xml file in relation to permissions?

To display a single piece of information or text

To create user interfaces for the app

To specify which permissions the app requires

To manage project files and folders

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6. How can you check if a permission is granted in Android?

By using the checkSelfPermission() method

By checking the app's settings in the AndroidManifest.xml file

By using the "Delete" button

By shaking the emulator's window

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7. What is the primary purpose of the checkSelfPermission() method in Android?

To check if a permission is granted

To create user interfaces for the app

To make phone calls

To specify the permissions the app requires

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8. How can you request a permission in an Android app using the ActivityCompat class?

By shaking the emulator's window

By calling the requestPermissions() method

By dragging and dropping items into the app

By using the "Delete" button

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9. What happens when the requestPermissions() method is called in Android?

The app is denied access to the requested feature or data

The app is granted the requested permission if the user approves

The app is automatically granted permission

The user is prompted to uninstall the app

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10. What is the purpose of the onRequestPermissionsResult() method in Android?

To specify the permissions the app requires

To make phone calls

To handle the user's response to a permission request

To create user interfaces for the app

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11. How can you check if a permission is granted in the onRequestPermissionsResult() method?

By using the "Delete" button

By calling the checkSelfPermission() method

By dragging and dropping items into the method

By checking the grantResults array

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12. What is the primary purpose of the shouldShowRequestPermissionRationale() method in Android?

To check if a permission should be requested again

To specify the permissions the app requires

To make phone calls

To create user interfaces for the app

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13. What does the shouldShowRequestPermissionRationale() method return if the user denied a permission previously?

False

True

Maybe

Not applicable

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14. What is a dangerous permission in Android?

A type of emulator

A permission that requires explicit user approval

A programming language

A virtual reality device

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15. What is the purpose of the requestPermissions() method in Android?

To request permissions from the user

To create user interfaces for the app

To specify the permissions the app requires

To make phone calls

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16. Which Android version introduced the concept of runtime permissions?

Android 5.0 (Lollipop)

Android 4.0 (Ice Cream Sandwich)

Android 2.3 (Gingerbread)

Android 6.0 (Marshmallow)

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17. What happens when an app targets an Android version prior to Android 6.0 (Marshmallow)?

The app crashes

The app is granted all requested permissions automatically

The app is denied all permissions automatically

The app prompts the user for permissions

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18. How can you check if a permission is granted at runtime in Android?

By using the "Delete" button

By dragging and dropping items into the method

By shaking the emulator's window

By using the checkSelfPermission() method

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19. What is the primary purpose of the checkPermission() method in Android?

To check if a permission is granted at runtime

To create user interfaces for the app

To make phone calls

To specify the permissions the app requires

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20. Which of the following is NOT a common dangerous permission in Android?

READ_CONTACTS

INTERNET

ACCESS_FINE_LOCATION

CAMERA

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21. What is the purpose of the READ_CONTACTS permission in Android?

To create user interfaces for the app

To read the user's contact information

To access the device's camera

To access the device's location

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22. How can you handle cases where a permission is denied in Android?

By displaying a message to the user

By using the "Delete" button

By requesting the permission again

By ignoring the denial and proceeding

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23. What is the primary purpose of explaining the need for a permission to the user?

To specify the permissions the app requires

To make phone calls

To create user interfaces for the app

To educate the user about the app's features

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24. How can you provide an explanation for a permission request in Android?

By shaking the emulator's window

By using the "Delete" button

By displaying a dialog with an explanation

By specifying it in the AndroidManifest.xml file

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25. Which method is commonly used to display a dialog explaining the need for a permission?

showPermissionExplanationDialog()

showPermissionRequestDialog()

showExplanationDialog()

showAlertDialog()

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26. What is the purpose of the showPermissionExplanationDialog() method?

To make phone calls

To display a dialog explaining the need for a permission

To specify the permissions the app requires

To create user interfaces for the app

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27. How can you navigate to the app settings to manually grant a permission?

By calling the startActivity() method with the app settings intent

By shaking the emulator's window

By using the "Delete" button

By dragging and dropping items into the method

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28. What is the primary purpose of manually granting a permission in the app settings?

To specify the permissions the app requires

To grant a permission that was previously denied

To make phone calls

To create user interfaces for the app

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Android Studio – 22 – Android Permissions MCQ