Questions

  1. Which framework is used to implement a simple video player?

a) AVFoundation
b) MediaPlayer
c) AVKit

  1. Which object is used to play a local audio file?

a) AVPlayer
b) AVAudioPlayer
c) AVQueuePlayer

  1. What are remote commands, and where do they come from?

a) Media playback-related commands that come from the lock screen.
b) Media playback-related commands that come from the control center.
c) Media playback-related commands that can come from any external source, including the lock screen, control center, or even the user's headphones.

  1. Which object can be used to quickly take a picture?

a) UIImagePickerController
b) AVCaptureSession
c) AVCaptureDevice

  1. Which of the following is not needed to record a video with an AVCaptureSession object?

a) A temporary file to store the video
b) Permission to access the user's photo library
c) An AVCaptureFileOutput object

  1. What information tends to get lost when you convert a UIImage instance to a CGImage instance?

a) The orientation
b) The color profile
c) The previously applied filters

..................Content has been hidden....................

You can't read the all page of ebook, please click here login for view all page.
Reset