The source to use when picking an image or when determining available media types.
A given source may not be available on a given device because the source is not physically present or because it cannot currently be accessed.
Specifies the device’s photo library as the source for the image picker controller.
Specifies the device’s built-in camera as the source for the image picker controller. Indicate the specific camera you want (front or rear, as available) by using the
Specifies the device’s Camera Roll album as the source for the image picker controller. If the device does not have a camera, specifies the Saved Photos album as the source.
Setting the Picker Source