Core Components of a Notification A notification encapsulates data exchanged between objects. It consists of three primary elements: name: An identifier for the notification type. object: A reference to the entity that posted the notification. userInfo: A dictionary containing supplementary data pas...
UIPickerView Properties Key properties for configuring a UIPickerView include: // Specifies the data source object that provides data for the picker @property(nonatomic, weak) id<UIPickerViewDataSource> dataSource; // Specifies the delegate object that handles display and selection events @pro...
Enable Link Map output in Xcode by setting Target → Build Settings → Write Link Map File to YES. The destination path can be customized; by default it expands to: $(TARGET_TEMP_DIR)/$(PRODUCT_NAME)-LinkMap-$(CURRENT_VARIANT)-$(CURRENT_ARCH).txt Example (simulator, arm64): /Users/dev/Library/Develope...