实现覆盖物移除

android/src/main/java/cn/qiuxiang/react/amap3d/AMapView.kt

 package cn.qiuxiang.react.amap3d
 
+import android.view.View
 import com.amap.api.maps.AMap
 import com.amap.api.maps.MapView
 import com.amap.api.maps.model.Marker
@@ -8,6 +9,7 @@ import com.facebook.react.bridge.Arguments
 import com.facebook.react.bridge.WritableMap
 import com.facebook.react.uimanager.ThemedReactContext
 import com.facebook.react.uimanager.events.RCTEventEmitter
+import com.facebook.react.views.view.ReactViewGroup
 
 class AMapView(context: ThemedReactContext) : MapView(context) {
     private val eventEmitter: RCTEventEmitter = context.getJSModule(RCTEventEmitter::class.java)
@@ -95,4 +97,17 @@ class AMapView(context: ThemedReactContext) : MapView(context) {
     fun emit(id: Int?, name: String, data: WritableMap = Arguments.createMap()) {
         id?.let { eventEmitter.receiveEvent(it, name, data) }
     }
+
+    fun remove(child: View) {
+        when (child) {
+            is AMapMarker -> {
+                markers.remove(child.marker?.id)
+                child.marker?.destroy()
+            }
+            is AMapPolyline -> {
+                polylines.remove(child.polyline?.id)
+                child.polyline?.remove()
+            }
+        }
+    }
 }

android/src/main/java/cn/qiuxiang/react/amap3d/AMapViewManager.kt

@@ -14,15 +14,21 @@ internal class AMapViewManager : ViewGroupManager<AMapView>() {
         return "AMapView"
     }
 
+    override fun createViewInstance(reactContext: ThemedReactContext): AMapView {
+        return AMapView(reactContext)
+    }
+
     override fun addView(mapView: AMapView, child: View, index: Int) {
+        super.addView(mapView, child, index)
         when (child) {
             is AMapMarker -> mapView.addMarker(child)
             is AMapPolyline -> mapView.addPolyline(child)
         }
     }
 
-    override fun createViewInstance(reactContext: ThemedReactContext): AMapView {
-        return AMapView(reactContext)
+    override fun removeViewAt(parent: AMapView, index: Int) {
+        parent.remove(parent.getChildAt(index))
+        super.removeViewAt(parent, index)
     }
 
     override fun getExportedCustomDirectEventTypeConstants(): Map<String, Any> {