MGLForegroundStyleLayer
@interface MGLForegroundStyleLayer : MGLStyleLayer
MGLForegroundStyleLayer
is an abstract superclass for style layers whose
content is defined by an MGLSource
object.
Create instances of MGLRasterStyleLayer
and the concrete subclasses of
MGLVectorStyleLayer
in order to use MGLForegroundStyleLayer
‘s methods.
Do not create instances of MGLForegroundStyleLayer
directly, and do not
create your own subclasses of this class.
-
Identifier of the source from which the receiver obtains the data to style.
Declaration
Objective-C
@property (readonly, nonatomic, nullable) NSString *sourceIdentifier;
Swift
var sourceIdentifier: String? { get }