One compact Kotlin app demonstrates the GLMap 2.3.0 API. The catalog mirrors the iOS demo and groups each example by feature: map display, camera, draw objects, vector data, search, routing, and offline data.

The Demo Mode button runs the same 26-second Amalfi Coast walk as the iOS app: explore contour lines, find a restaurant, reveal a walking route, and follow a simulated walker in 3D. Search and routing use real online services and complete before the tour starts. The traversed route turns grey using GLMapTrack.setProgressIndex and setProgressColor; the camera and marker share a distance-based timeline. All map markers are native GLMapImage objects. Android views provide only captions and panels. The walking segment is labeled as an accelerated preview, not GPS navigation. The tour pauses in the background, offers Retry on service errors, and closes when tapped. The individual catalog screens remain the compact API examples to learn from.

1. Create an API key at https://user.globus.software/apps/.
2. Replace YOUR_API_KEY in kotlinDemo/src/main/res/values/strings.xml locally. Do not commit a real key.
3. Open this directory in Android Studio and run kotlinDemo.

To build against the published SDK 2.3.0 (no parent SDK checkout is required):

./gradlew :kotlinDemo:assembleDebug

To build against the GLMap sources in the parent repository:

./gradlew :kotlinDemo:assembleDebug -PuseLocalGLMap=true

Without useLocalGLMap, Gradle resolves the published globus:glmap, globus:glsearch, and globus:glroute artifacts for the version declared in build.gradle.

The demo targets Android SDK 37. Most screens construct their UI in Kotlin so the GLMap calls stay visible in one short feature file under kotlinDemo/src/main/java/globus/demo.

• DemoApp calls GLMapManager.Initialize before any native SDK API. This initializes Core, Map, Search, and Route together; no separate GLSearch.Initialize call is needed. Its Boolean result reports initialization, not API-key validity.
• Hit-testing and draw-attribute queries use a captured GLMapViewState, closed with Kotlin use after each query.
• GLMapValue.getSpanned clones the supplied span objects. Search results use SearchColorSpan, a Cloneable subclass of ForegroundColorSpan; passing an ordinary ForegroundColorSpan crashes in the native bridge.
• GeoJSONActivity handles the GLMapDrawObject.UpdateResult passed to setVectorObjects: Ready, Superseded, Cancelled, or Failed. Updates and completions run on the main thread; Ready means geometry is ready to draw, not that a frame has been presented. Other examples pass null when no completion is needed.

Run the JVM tests for the shared tour timeline, distance-based progress, heading interpolation, and pause/resume clock:

./gradlew :kotlinDemo:testDebugUnitTest

With an emulator or device connected, run the offline-search, dataset re-registration, GPS lifecycle/bearing, GeoJSON recreation, and native tour marker/layout checks. These tests do not require an API key; synthetic route geometry exists only in the tests.

./gradlew :kotlinDemo:connectedDebugAndroidTest

API documentation: https://globus.software/docs