GoogleNavigation Framework Reference
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GMSNavigationAccessoryView
@protocol GMSNavigationAccessoryView <NSObject>
Protocol defining methods that support custom views specifying accessory UI elements applied to
the primary view. Accessory views must implement this protocol in order to be visible.
-
Declaration
Swift
func heightForAccessoryViewConstrained(to size: CGSize, on mapView: GMSMapView) -> CGFloat
Objective-C
- (CGFloat)heightForAccessoryViewConstrainedToSize:(CGSize)size
onMapView:
(nonnull GMSMapView *)mapView;
Return Value
Desired height of the accessory view constrained to the given size.
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Last updated 2025-08-27 UTC.
[null,null,["Last updated 2025-08-27 UTC."],[],["The `GMSNavigationAccessoryView` protocol defines how custom accessory UI elements are displayed on a primary view. Accessory views must implement this protocol to be visible. The key method is `heightForAccessoryViewConstrainedToSize:onMapView:`, which determines the desired height of the accessory view, given a size constraint and a `GMSMapView` instance. This method must return the height of the accessory view when constrained to a specific size.\n"],null,[]]
