Android Studio - 46 - Handling Images and Media MCQ

Android Studio – 46 – Handling Images and Media

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1. What is the primary purpose of handling images and media in Android apps?

To create virtual reality simulations

To improve app performance and efficiency

To analyze app code

To display and manage visual content in the app

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2. Which file formats are commonly used for images in Android apps?

JSON, XML, HTML, Java

BMP, TIFF, FLAC, AVI

MP3, GIF, PNG, SVG

JPEG, PNG, GIF, WebP

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3. What is the recommended resolution for app images in Android?

High resolution (e.g., 1080×1920 pixels)

Medium resolution (e.g., 480×800 pixels)

Low resolution (e.g., 240×320 pixels)

Resolution does not matter

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4. How can you add image resources to an Android app?

By embedding them directly in the source code

By creating virtual reality environments

By copying them to the app's data directory

By using a programming language

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5. What is the purpose of the “res/drawable” directory in Android projects?

To store Java source code

To analyze app code

To store image resources for the app

To create virtual reality simulations

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6. What is the advantage of using vector drawable images in Android?

They are resolution-independent

They are animated images

They have higher resolution than bitmap images

They can be loaded faster

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7. How can you add a vector drawable image to an Android app layout?

By creating a virtual reality device

By manually drawing the image in code

By using a programming language

By using the android:src attribute with the @drawable reference

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8. What is the purpose of using image assets in Android Studio?

To create virtual reality environments

To manage and import images for the app

To improve app performance and efficiency

To analyze app code

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9. How can you import image assets in Android Studio?

By copying them to the project's "res/drawable" directory

By creating a virtual reality device

By using a programming language

By using the "File" menu and selecting "Import Assets"

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10. What is the purpose of using the “res/drawable” directory for images in Android?

To store image resources for different screen densities

To create virtual reality simulations

To analyze app code

To store Java source code

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11. How can you provide multiple versions of an image for different screen densities in Android?

By using vector drawable images

By using a programming language

By creating separate directories (e.g., "drawable-hdpi," "drawable-mdpi")

By creating a virtual reality device

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12. What is the recommended naming convention for image files in Android’s “res/drawable” directory?

Uppercase names with dashes (e.g., "Image-File.png")

CamelCase names (e.g., "ImageFile.png")

Numeric filenames (e.g., "image1.png," "image2.png")

Descriptive names with lowercase letters and underscores

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13. What is the primary purpose of using image compression in Android apps?

To make images load faster and use less storage

To create virtual reality simulations

To analyze app code

To add effects and animations to images

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14. How can you optimize images for Android apps?

By converting them to vector format

By adding more colors and details

By resizing and compressing them

By using larger resolutions

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15. What is the purpose of using the “ImageView” widget in Android layouts?

To analyze app code

To improve app performance and efficiency

To create virtual reality environments

To display images and drawables

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16. How can you load an image into an “ImageView” programmatically in Android?

By using the "setImageResource" method

By creating a virtual reality device

By using the "android:src" attribute in XML

By using a programming language

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17. What is the primary purpose of using a media player in Android apps?

To improve app performance and efficiency

To play audio and video files

To analyze app code

To create virtual reality environments

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18. How can you play audio files in Android using a media player?

By creating a virtual reality device

By using the "MediaPlayer" class

By drawing the audio waveform on the screen

By using a programming language

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19. What is the purpose of using a media controller in Android media playback?

To analyze app code

To improve app performance and efficiency

To control playback and provide a user interface

To create virtual reality environments

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20. How can you add a media controller to a media player in Android?

By manually drawing the controls on the screen

By using the "MediaController" class

By using a programming language

By creating a virtual reality device

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21. What is the recommended approach for handling media playback in Android?

Use the "MediaController" class for audio and video

Use the "MediaPlayer" class for audio and video

Use a programming language for customization

Use a virtual reality device for testing

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22. What is the purpose of using the “VideoView” widget in Android layouts?

To analyze app code

To create virtual reality environments

To display video content in an app

To improve app performance and efficiency

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23. How can you play video files in Android using a “VideoView”?

By using the "start" method of the "VideoView"

By using a virtual reality emulator

By using a programming language

By creating a virtual reality device

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24. What is the recommended approach for handling media files in Android apps?

Use the Java language for media management

Use JSON files for media configuration

Use the Android media framework

Use a virtual reality device for testing

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25. What is the purpose of using the Android media framework for media handling?

To improve app performance and efficiency

To create virtual reality environments

To analyze app code

To provide a standardized way to manage and play media

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Android Studio – 46 – Handling Images and Media MCQ