Returns a Boolean value indicating whether the device supports picking media using the specified source type.
- iOS 2.0+
- Mac Catalyst 13.0+
The source to use to pick an image or movie.
YES if the device supports the specified source type;
NO if the specified source type is not available.
Because a media source may not be present or may be unavailable, devices may not always support all source types. For example, if you attempt to pick an image from the user’s library and the library is empty, this method returns
NO. Similarly, if the camera is already in use, this method returns
Before attempting to use an
UIImage object to pick an image, you must call this method to ensure that the desired source type is available.