HERE Android SDK Developer's Guide

Route Serialization

Route serialization is a feature that allows users to use the new method Route.serialize(Route) to serialize a route into binary data, which can then be saved as a file. Using the new deserialize(byte[]) method, a route can be generated from a previously serialized route without going through the route calculation process. This is useful when a user would like to recover from a crash during navigation or when a user would like to transfer a route from one device to another.

Note: Route serialization is currently offered as a beta feature. APIs may change without notice.

Route serialization currently only supports car , bike, truck, and pedestrian routes. Public Transit, Indoor Venue, and Urban Mobility routes cannot be serialized. Route serialization also does not work when the map version from which a route is serialized does not match the current map version. Route serialization also fails if the binary data containing the serialized route is tempered with or corrupted. In these cases, a specific SerializerError error code is returned.

The following is an example of how to invoke the serialization APIs:

Route routeInput;
//assume that route calculation was already performed

Route.SerializationResult serlResult;
Route.DeserializationResult deserlResult;

serlResult = Route.serialize(routeInput);

deserlResult = Route.deserialize(;
Route routeOutput = deserlResult.route;

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