Driver SDK on-demand trips overview
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The Driver SDK is a mobile app toolkit and a fundamental component of Fleet
Engine. With this SDK, your driver app can both manage assigned trips and
enable driver navigation and routing capabilities.
Before you begin
This guide assumes you have read the following:
What is the Driver SDK for on-demand trips?
The Driver SDK communicates vehicle location and trip updates to Fleet Engine so
that Fleet Engine can track the vehicles and their assigned
trips. At its core, the SDK uses an event listener to send location
updates and latitude/longitude coordinates, along with the current route segment
and destination from the Navigation SDK to Fleet Engine when your driver begins
driving.
Why use the Driver SDK for on-demand trips?
The Driver SDK enables easier integration with Fleet Engine for updates to the
driver's routes. With this SDK, your driver can use a single app to manage
assignments and navigate as they would using their consumer version of Google
Maps but without having to switch to another app.
What you can do with the Driver SDK for on-demand trips
Use the Driver SDK for on-demand trips to communicate the following with Fleet
Engine:
- A vehicle's real-time position on a map.
- Latitude/longitude coordinates for the trip waypoints provided by the
Navigation SDK.
- Remaining distance to the next waypoint.
- Estimated time of arrival to the next waypoint.
- Route the vehicle needs to take as provided by the Navigation SDK.
How the Driver SDK for on-demand trips works
The Driver SDK depends on the Navigation SDK for the routing information and
destination. Together with the information from the Navigation SDK, the Driver
SDK integrates with your driver app and provides Fleet Engine with a stream of
location updates, latitude/longitude coordinates, remaining distance, and ETAs.
All other vehicle data updates must be sent to the customer backend, which
relays the data to Fleet Engine.

How to use the Driver SDK for on-demand trips
Select your platform to see how to start using the Driver SDK.
What's next
See the documentation for the platform on which you want to set up the Driver
SDK:
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Last updated 2025-08-28 UTC.
[null,null,["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eThe Driver SDK is a toolkit for building driver apps that seamlessly integrate with Fleet Engine for trip management and navigation.\u003c/p\u003e\n"],["\u003cp\u003eIt enables real-time location sharing, route updates, and trip progress communication between the driver app and Fleet Engine.\u003c/p\u003e\n"],["\u003cp\u003eBy using the Driver SDK, drivers can manage assignments and navigate within a single app, enhancing efficiency and convenience.\u003c/p\u003e\n"],["\u003cp\u003eThe SDK relies on the Navigation SDK for routing information and works in conjunction with it to provide a comprehensive solution for on-demand trips.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can find platform-specific setup instructions and further details in the provided Android and iOS documentation.\u003c/p\u003e\n"]]],[],null,["The Driver SDK is a mobile app toolkit and a fundamental component of Fleet\nEngine. With this SDK, your driver app can both manage assigned trips and\nenable driver navigation and routing capabilities.\n\nBefore you begin\n\nThis guide assumes you have read the following:\n\n- [Fleet Engine essentials](/maps/documentation/mobility/fleet-engine/essentials).\n- [The data model for vehicles](/maps/documentation/mobility/fleet-engine/essentials/vehicles-intro#on-demand-trips).\n- [The data model for on-demand trips](/maps/documentation/mobility/fleet-engine/essentials/trip-intro#data-model).\n- [How to set up Fleet Engine](/maps/documentation/mobility/fleet-engine/essentials/set-up-fleet).\n- [How to create and use vehicles in Fleet Engine](/maps/documentation/mobility/fleet-engine/essentials/vehicles).\n\nWhat is the Driver SDK for on-demand trips?\n\nThe Driver SDK communicates vehicle location and trip updates to Fleet Engine so\nthat Fleet Engine can track the vehicles and their assigned\ntrips. At its core, the SDK uses an event listener to send location\nupdates and latitude/longitude coordinates, along with the current route segment\nand destination from the Navigation SDK to Fleet Engine when your driver begins\ndriving.\n\nWhy use the Driver SDK for on-demand trips?\n\nThe Driver SDK enables easier integration with Fleet Engine for updates to the\ndriver's routes. With this SDK, your driver can use a single app to manage\nassignments and navigate as they would using their consumer version of Google\nMaps but without having to switch to another app.\n\nWhat you can do with the Driver SDK for on-demand trips\n\nUse the Driver SDK for on-demand trips to communicate the following with Fleet\nEngine:\n\n- A vehicle's real-time position on a map.\n- Latitude/longitude coordinates for the trip waypoints provided by the Navigation SDK.\n- Remaining distance to the next waypoint.\n- Estimated time of arrival to the next waypoint.\n- Route the vehicle needs to take as provided by the Navigation SDK.\n\nHow the Driver SDK for on-demand trips works\n\nThe Driver SDK depends on the Navigation SDK for the routing information and\ndestination. Together with the information from the Navigation SDK, the Driver\nSDK integrates with your driver app and provides Fleet Engine with a stream of\nlocation updates, latitude/longitude coordinates, remaining distance, and ETAs.\nAll other vehicle data updates must be sent to the customer backend, which\nrelays the data to Fleet Engine.\n\nHow to use the Driver SDK for on-demand trips\n\nSelect your platform to see how to start using the Driver SDK. \n\nAndroid\n\n|---|----------------------------------------------|----------------------------------------------------------------------------------------------------|\n| 1 | **Get the Driver SDK for Android** | For more information, see [Get the Driver SDK](./android/minimum-requirements). |\n| 2 | **Configure a Google Cloud console project** | For more information, see [Configure a Google Cloud console project](./android/configure-project). |\n| 3 | **Declare dependencies** | For more information, see [Declare dependencies](./android/dependencies). |\n| 4 | **Create authentication tokens** | For more information, see [Create authentication tokens](./android/authenticate). |\n| 5 | **Initialize the Driver SDK** | For more information, see [Initialize the Driver SDK](./android/initialize-sdk). |\n| 6 | **Get the vehicle ready** | For more information, see [Get the vehicle ready](./android/vehicle-ready). |\n| 7 | **Set the trip details** | For more information, see [Set the trip details](./android/trip-details). |\n\niOS\n\n|---|----------------------------------------------|------------------------------------------------------------------------------------------------|\n| 1 | **Get the Driver SDK for iOS** | For more information, see [Get the Driver SDK](./ios/minimum-requirements). |\n| 2 | **Configure a Google Cloud console project** | For more information, see [Configure a Google Cloud console project](./ios/configure-project). |\n| 3 | **Create authentication tokens** | For more information, see [Create authentication tokens](./ios/authenticate). |\n| 4 | **Initialize the Driver SDK** | For more information, see [Initialize the Driver SDK](./ios/initialize-sdk). |\n| 5 | **Get the vehicle ready** | For more information, see [Get the vehicle ready](./ios/vehicle-ready). |\n| 6 | **Set the trip details** | For more information, see [Set the trip details](./ios/trip-details). |\n\nWhat's next\n\nSee the documentation for the platform on which you want to set up the Driver\nSDK:\n\n- [Android](./android/minimum-requirements)\n- [iOS](./ios/minimum-requirements)"]]