GMSRouteInfoCallback
typedef void (^GMSRouteInfoCallback)(GMSNavigationRouteInfo *_Nullable)Called when the route information (ETA and distance) to the provided waypoint is calculated.
GoogleNavigation Framework Reference
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Last updated 2025-08-27 UTC.
[null,null,["Last updated 2025-08-27 UTC."],[],["The `GMSRouteInfoCallback` is a function block (typedef) that is invoked upon the calculation of route details. This callback provides a `GMSNavigationRouteInfo` object, which includes the estimated time of arrival (ETA) and distance to a specified waypoint. The callback may receive a null value if route information is not available.\n"],null,[]]