Migrate car snippets

[jankleinert]

Migrating snippets for:

• /training/cars/apps/library/car-hardware-api.md
• /training/cars/apps/library/car-microphone.md
• /training/cars/apps/library/carappservice-session.md
• /training/cars/apps/library/connection-api.md
• /training/cars/apps/library/constraints-api.md
• /training/cars/apps/library/inline-car-icons.md
• /training/cars/apps/library/screen-navigation.md
• /training/cars/apps/library/text-string-variants.md
• /training/cars/apps/navigation.md
• /training/cars/communication/templated-messaging.md
• /training/cars/parked/auto.md
• /training/cars/parked/automotive-os.md
• /training/cars/parked/video.md

[snippet-bot]

Here is the summary of changes.

You are about to add 28 region tags.

• cars/src/main/java/com/example/cars/apps/Navigation.kt:63, tag android_cars_apps_navigation_onCreateSession
• cars/src/main/java/com/example/cars/apps/Navigation.kt:115, tag android_cars_apps_navigation_map_template_migration
• cars/src/main/java/com/example/cars/apps/Navigation.kt:138, tag android_cars_apps_navigation_place_list_template_migration
• cars/src/main/java/com/example/cars/apps/Navigation.kt:166, tag android_cars_apps_navigation_route_preview_template_migration
• cars/src/main/java/com/example/cars/apps/Navigation.kt:222, tag android_cars_apps_navigation_manager_retrieval
• cars/src/main/java/com/example/cars/apps/Navigation.kt:236, tag android_cars_apps_navigation_travel_estimate_customization
• cars/src/main/java/com/example/cars/apps/Navigation.kt:252, tag android_cars_apps_navigation_notification_building
• cars/src/main/java/com/example/cars/apps/Navigation.kt:278, tag android_cars_apps_navigation_refresh_listener
• cars/src/main/java/com/example/cars/apps/Navigation.kt:290, tag android_cars_apps_navigation_alert_creation
• cars/src/main/java/com/example/cars/apps/library/CarAppServiceSession.kt:29, tag android_cars_apps_library_carappservice_session_service
• cars/src/main/java/com/example/cars/apps/library/CarAppServiceSession.kt:42, tag android_cars_apps_library_carappservice_session_instance
• cars/src/main/java/com/example/cars/apps/library/CarHardware.kt:33, tag android_cars_apps_library_car_hardware_info
• cars/src/main/java/com/example/cars/apps/library/CarHardware.kt:53, tag android_cars_apps_library_car_hardware_sensors
• cars/src/main/java/com/example/cars/apps/library/CarMicrophone.kt:35, tag android_cars_apps_library_car_microphone_record
• cars/src/main/java/com/example/cars/apps/library/CarMicrophone.kt:51, tag android_cars_apps_library_car_microphone_audio_focus
• cars/src/main/java/com/example/cars/apps/library/ConnectionApi.kt:30, tag android_cars_apps_library_connection_api_observe
• cars/src/main/java/com/example/cars/apps/library/ConnectionApi.kt:36, tag android_cars_apps_library_connection_api_handler
• cars/src/main/java/com/example/cars/apps/library/Constraints.kt:25, tag android_cars_apps_library_constraints_api_get_contstraint_manager
• cars/src/main/java/com/example/cars/apps/library/Constraints.kt:29, tag android_cars_apps_library_constraints_api_limit
• cars/src/main/java/com/example/cars/apps/library/InlineCarIcons.kt:31, tag android_cars_apps_library_inline_car_icons
• cars/src/main/java/com/example/cars/apps/library/ScreenNavigation.kt:29, tag android_cars_apps_library_screen_navigation
• cars/src/main/java/com/example/cars/apps/library/TextStringVariants.kt:27, tag android_cars_apps_library_text_string_variants_builder
• cars/src/main/java/com/example/cars/apps/library/TextStringVariants.kt:33, tag android_cars_apps_library_text_string_variants_grid_item
• cars/src/main/java/com/example/cars/communication/TemplatedMessaging.kt:43, tag android_cars_communication_templated_messaging_screen
• cars/src/main/java/com/example/cars/parked/ParkedAaos.kt:28, tag android_cars_parked_automotive_os_ux_restrictions
• cars/src/main/java/com/example/cars/parked/ParkedAaos.kt:49, tag android_cars_parked_automotive_os_detect
• cars/src/main/java/com/example/cars/parked/ParkedAuto.kt:29, tag android_cars_parked_auto_detect
• cars/src/main/java/com/example/cars/parked/VideoApp.kt:24, tag android_cars_parked_video_determine_support

---

This comment is generated by snippet-bot.
If you find problems with this result, please file an issue at:
https://github.com/googleapis/repo-automation-bots/issues.
To update this comment, add snippet-bot:force-run label or use the checkbox below:

• Refresh this comment

[gemini-code-assist]

Code Review

This pull request introduces integration examples for the Android for Cars App Library, covering navigation templates, hardware sensors, microphone access, connection state observation, and UX restrictions. The reviewer identified several critical issues in the new code: a nullable AudioManager in CarMicrophone.kt, an invalid constructor in MyConnectionSession, a potential null pointer exception with context.display in ParkedAuto.kt, an incorrect exclusive end index in InlineCarIcons.kt, and a potential NullPointerException with Car.createCar in ParkedAaos.kt. All of these comments are highly actionable and should be addressed to prevent compilation and runtime failures.

Important

The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.

[kkuan2011]

Thanks for migrating all these snippets, Jan!! After you get approval from a Cars teammate, can you let us know? Then Yacine/I can approve.