FWAsyncLayerDelegate Protocol Reference
FWAsyncLayerDelegate
@protocol FWAsyncLayerDelegate <NSObject>The FWAsyncLayer’s delegate protocol. The delegate of the FWAsyncLayer (typically a UIView) must implements the method in this protocol.
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This method is called to return a new display task when the layer’s contents need update.
Declaration
Objective-C
- (nonnull FWAsyncLayerDisplayTask *)newAsyncDisplayTask;