이전 튜토리얼에서는
KML 및
GeoJSON의 지형지물뿐 아니라
마커의 클러스터를 지도에 추가하는 방법을 알아보았습니다.
하지만 동일한 지도에 이러한 레이어를 여러 개 추가하고 레이어마다 독립적인
클릭 이벤트를 가져오려면 어떻게 해야 할까요?
여러 클러스터, KML, GeoJSON 레이어 추가
라이브러리에는 여러 유형의 레이어에 대한 클릭 이벤트를 관리하는 데
도움이 되는 Manager 객체가 포함됩니다. 따라서 레이어를 설정하기 전에 먼저 이를 인스턴스화하고
GoogleMap에 전달해야 합니다.
Kotlin
val markerManager = MarkerManager(map)
val groundOverlayManager = GroundOverlayManager(map!!)
val polygonManager = PolygonManager(map)
val polylineManager = PolylineManager(map)
Java
MarkerManager markerManager = new MarkerManager(map);
GroundOverlayManager groundOverlayManager = new GroundOverlayManager(map);
PolygonManager polygonManager = new PolygonManager(map);
PolylineManager polylineManager = new PolylineManager(map);
그런 다음, 이러한 관리자 클래스를 설정 시 다른 레이어의 생성자로 다음과
같이 전달할 수 있습니다.
ClusterManager<MyItem> clusterManager = new ClusterManager<>(context, map, markerManager);
GeoJsonLayer geoJsonLineLayer = new GeoJsonLayer(map, R.raw.geojson_file, context, markerManager, polygonManager, polylineManager, groundOverlayManager);
KmlLayer kmlPolylineLayer = new KmlLayer(map, R.raw.kml_file, context, markerManager, polygonManager, polylineManager, groundOverlayManager, null);
나만의 지형지물 추가
이 레이어와 함께 자체 마커, 지면 오버레이, 다중선 또는 다각형을
추가하려는 경우에는 GoogleMap 객체에 직접 추가하는 대신 자체 Collection을
만든 후 Managers를 사용하여 지형지물을 추가합니다.
예를 들어, 새 마커를 추가하는 방법은 다음과 같습니다.
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["필요한 정보가 없음","missingTheInformationINeed","thumb-down"],["너무 복잡함/단계 수가 너무 많음","tooComplicatedTooManySteps","thumb-down"],["오래됨","outOfDate","thumb-down"],["번역 문제","translationIssue","thumb-down"],["샘플/코드 문제","samplesCodeIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2024-08-13(UTC)"],[[["\u003cp\u003eThis guide explains how to add and manage multiple map layers like KML, GeoJSON, and Clusters on the same map using the Maps SDK for Android Utility Library.\u003c/p\u003e\n"],["\u003cp\u003eIt covers using \u003ccode\u003eManager\u003c/code\u003e objects to handle click events for these layers and how to add your own features.\u003c/p\u003e\n"],["\u003cp\u003eClick listeners function as usual for KML, GeoJSON, and Clusters when the \u003ccode\u003eManager\u003c/code\u003e classes are passed to the layer's constructor.\u003c/p\u003e\n"],["\u003cp\u003eFor custom markers and overlays, use \u003ccode\u003eCollection\u003c/code\u003e objects and add click listeners to them for event handling.\u003c/p\u003e\n"],["\u003cp\u003eA demo app, \u003ccode\u003eMultiLayerDemoActivity\u003c/code\u003e, showcases the implementation of these concepts.\u003c/p\u003e\n"]]],[],null,["# Google Maps Multilayer Utility\n\nSelect platform: [Android](/maps/documentation/android-sdk/utility/multilayer \"View this page for the Android platform docs.\") [JavaScript](/maps/documentation/javascript/layers \"View this page for the JavaScript platform docs.\")\n\n1. [Introduction](#introduction)\n2. [Adding multiple cluster, KML, and GeoJSON layers](#add-multiple)\n3. [Adding your own features](#add-features)\n4. [Handling click events](#handle-click)\n5. [See the demo app](#demo-app)\n\nIntroduction\n------------\n\n\nIn previous tutorials, you've learned how to add features from\n[KML](/maps/documentation/android-sdk/utility/kml) and\n[GeoJSON](/maps/documentation/android-sdk/utility/geojson) to your map, as well as\n[clusters](/maps/documentation/android-sdk/utility/marker-clustering) of markers.\nBut what if you want to add several of these layers on the same map and get independent click\nevents for each?\n\nAdding multiple cluster, KML, and GeoJSON layers\n------------------------------------------------\n\n\nThe library includes `Manager`objects to help manage click events for multiple types\nof layers. So, before you set up your layers you'll first need to instantiate these and pass in\nyour `GoogleMap`: \n\n### Kotlin\n\n```kotlin\nval markerManager = MarkerManager(map)\nval groundOverlayManager = GroundOverlayManager(map!!)\nval polygonManager = PolygonManager(map)\nval polylineManager = PolylineManager(map)\n\n \n```\n\n### Java\n\n```java\nMarkerManager markerManager = new MarkerManager(map);\nGroundOverlayManager groundOverlayManager = new GroundOverlayManager(map);\nPolygonManager polygonManager = new PolygonManager(map);\nPolylineManager polylineManager = new PolylineManager(map);\n\n \n```\n\n\nNext, you can pass these manager classes into the constructors of the other layers when you\nset them up: \n\n### Kotlin\n\n```kotlin\nval clusterManager =\n ClusterManager\u003cMyItem\u003e(context, map, markerManager)\nval geoJsonLineLayer = GeoJsonLayer(\n map,\n R.raw.geojson_file,\n context,\n markerManager,\n polygonManager,\n polylineManager,\n groundOverlayManager\n)\nval kmlPolylineLayer = KmlLayer(\n map,\n R.raw.kml_file,\n context,\n markerManager,\n polygonManager,\n polylineManager,\n groundOverlayManager,\n null\n)\n\n \n```\n\n### Java\n\n```java\nClusterManager\u003cMyItem\u003e clusterManager = new ClusterManager\u003c\u003e(context, map, markerManager);\nGeoJsonLayer geoJsonLineLayer = new GeoJsonLayer(map, R.raw.geojson_file, context, markerManager, polygonManager, polylineManager, groundOverlayManager);\nKmlLayer kmlPolylineLayer = new KmlLayer(map, R.raw.kml_file, context, markerManager, polygonManager, polylineManager, groundOverlayManager, null);\n\n \n```\n\nAdding your own features\n------------------------\n\n\nIf you want to add your own markers, ground overlays, polylines, or polygons alongside these\nlayers, create your own `Collection` and then use the `Managers`\nto add the feature instead of directly adding them to the `GoogleMap` object.\n\nFor example, if you want to add a new marker: \n\n### Kotlin\n\n```kotlin\nval markerCollection =\n markerManager.newCollection()\nmarkerCollection.addMarker(\n MarkerOptions()\n .position(LatLng(51.150000, -0.150032))\n .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_AZURE))\n .title(\"Unclustered marker\")\n)\n\n \n```\n\n### Java\n\n```java\nMarkerManager.Collection markerCollection = markerManager.newCollection();\nmarkerCollection.addMarker(new MarkerOptions()\n .position(new LatLng(51.150000, -0.150032))\n .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_AZURE))\n .title(\"Unclustered marker\"));\n\n \n```\n\nHandling click events\n---------------------\n\n\nFor clusters, KML, and GeoJSON, click listeners work like normal - as long as you pass in the\n`Manager` classes in the constructor of the layer you're setting.\n\nFor example, here's how to set up a click listener for the KML layer: \n\n### Kotlin\n\n```kotlin\nkmlPolylineLayer.addLayerToMap()\nkmlPolylineLayer.setOnFeatureClickListener { feature: Feature -\u003e\n Toast.makeText(context,\n \"KML polyline clicked: ${feature.getProperty(\"name\")}\",\n Toast.LENGTH_SHORT\n ).show()\n}\n\n \n```\n\n### Java\n\n```java\nkmlPolylineLayer.addLayerToMap();\nkmlPolylineLayer.setOnFeatureClickListener(feature -\u003e Toast.makeText(context,\n \"KML polyline clicked: \" + feature.getProperty(\"name\"),\n Toast.LENGTH_SHORT).show());\n\n \n```\n\n\nWhen you add your own markers, ground overlays, polylines, or polygons, just be sure to add click\nlisteners to those `Collection` objects. For example, here's how to set up the marker\nclick listener on the `markerCollection`: \n\n### Kotlin\n\n```kotlin\nmarkerCollection.setOnMarkerClickListener { marker: Marker -\u003e\n Toast.makeText(\n context,\n \"Marker clicked: ${marker.title}\",\n Toast.LENGTH_SHORT\n ).show()\n false\n}\n\n \n```\n\n### Java\n\n```java\nmarkerCollection.setOnMarkerClickListener(marker -\u003e { Toast.makeText(context,\n \"Marker clicked: \" + marker.getTitle(),\n Toast.LENGTH_SHORT).show();\n return false;\n});\n\n \n```\n\nSee the demo app\n----------------\n\nFor an example of adding multiple layers, take a look at the `MultiLayerDemoActivity`\nin the demo app that ships with the utility library. The [setup guide](/maps/documentation/android-sdk/utility/setup) shows you how to run\nthe demo app."]]