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androidmapbox-android

How do I add geojsonsource to mapbox android sdk using java?


As the subject says. I've got how to do it in Kotlin:


        fun addGeoJsonPolygonToMap(geoPoints: Array<GeoPoint>,id: String,  fillColor: String, Opacity: Double, fontSize: Double){
        val mutableList : MutableList<Point> = ArrayList()
        for(p in geoPoints){
            val currentPoint = Point.fromLngLat(p.longitude, p.latitude)
            mutableList.add(currentPoint)
        }
       val item = GeoJsonSource.Builder(id)
           .geometry(Polygon.fromLngLats(listOf(mutableList)))
           .build()
        mapView!!.getMapboxMap().getStyle()?.addSource(item)
        val polygonLayer = FillLayer(id + "FillLayer_ID", id)
        polygonLayer.fillColor(fillColor)
        polygonLayer.fillOpacity(Opacity)
        val symbolLayer = SymbolLayer(id + "SymbolLAYER_ID", id)
        symbolLayer.textField(id)
        symbolLayer.textSize(fontSize)
        symbolLayer.textColor(fillColor)
        symbolLayer.textOpacity(1.0)
       try {
           mapView!!.getMapboxMap().getStyle()?.addPersistentLayer(polygonLayer)
           mapView!!.getMapboxMap().getStyle()?.addPersistentLayer(symbolLayer)
       } catch(ex: Exception){
           Log.d("removeAnnotation",ex.message!!)
       }
    }

I've got the generated kotlin byte code that I'm trying to translate:

 public final void addGeoJsonPolygonToMap(@NotNull GeoPoint[] geoPoints, @NotNull String id, @NotNull String fillColor, double Opacity, double fontSize) {
  Intrinsics.checkNotNullParameter(geoPoints, "geoPoints");
  Intrinsics.checkNotNullParameter(id, "id");
  Intrinsics.checkNotNullParameter(fillColor, "fillColor");
  List mutableList = (List)(new ArrayList());
  GeoPoint[] var11 = geoPoints;
  int var12 = geoPoints.length;

  for(int var10 = 0; var10 < var12; ++var10) {
     GeoPoint p = var11[var10];
     Point currentPoint = Point.fromLngLat(p.getLongitude(), p.getLatitude());
     Intrinsics.checkNotNullExpressionValue(currentPoint, "currentPoint");
     mutableList.add(currentPoint);
  }

  GeoJsonSource.Builder var10000 = new GeoJsonSource.Builder(id);
  Polygon var10001 = Polygon.fromLngLats(CollectionsKt.listOf(mutableList));
  Intrinsics.checkNotNullExpressionValue(var10001, "Polygon.fromLngLats(listOf(mutableList))");
  GeoJsonSource item = Builder.geometry$default(var10000, (Geometry)var10001, (String)null, 2, (Object)null).build();
  MapView var18 = this.mapView;
  Intrinsics.checkNotNull(var18);
  Style var19 = var18.getMapboxMap().getStyle();
  if (var19 != null) {
     SourceUtils.addSource((StyleInterface)var19, (StyleContract.StyleSourceExtension)item);
  }

  FillLayer polygonLayer = new FillLayer(id + "FillLayer_ID", id);
  polygonLayer.fillColor(fillColor);
  polygonLayer.fillOpacity(Opacity);
  SymbolLayer symbolLayer = new SymbolLayer(id + "SymbolLAYER_ID", id);
  symbolLayer.textField(id);
  symbolLayer.textSize(fontSize);
  symbolLayer.textColor(fillColor);
  symbolLayer.textOpacity(1.0);

  try {
     var18 = this.mapView;
     Intrinsics.checkNotNull(var18);
     var19 = var18.getMapboxMap().getStyle();
     if (var19 != null) {
        LayerUtils.addPersistentLayer$default((StyleInterface)var19, (Layer)polygonLayer, (LayerPosition)null, 2, (Object)null);
     }

     var18 = this.mapView;
     Intrinsics.checkNotNull(var18);
     var19 = var18.getMapboxMap().getStyle();
     if (var19 != null) {
        LayerUtils.addPersistentLayer$default((StyleInterface)var19, (Layer)symbolLayer, (LayerPosition)null, 2, (Object)null);
     }
  } catch (Exception var14) {
     String var20 = var14.getMessage();
     Intrinsics.checkNotNull(var20);
     Log.d("removeAnnotation", var20);
  }

}

And then my translation:


    public final void addGeoJsonPolygonToMap(@NotNull GeoPoint[] geoPoints, @NotNull String id, @NotNull String fillColor, double Opacity, double fontSize) {
          Intrinsics.checkNotNullParameter(geoPoints, "geoPoints");
          Intrinsics.checkNotNullParameter(id, "id");
          Intrinsics.checkNotNullParameter(fillColor, "fillColor");
          List mutableList = (List)(new ArrayList());
          GeoPoint[] var11 = geoPoints;
          int var12 = geoPoints.length;
    
          for(int var10 = 0; var10 < var12; ++var10) {
             GeoPoint p = var11[var10];
             Point currentPoint = Point.fromLngLat(p.getLongitude(), p.getLatitude());
             Intrinsics.checkNotNullExpressionValue(currentPoint, "currentPoint");
             mutableList.add(currentPoint);
          }
    
          GeoJsonSource.Builder var10000 = new GeoJsonSource.Builder(id);
          Polygon var10001 = Polygon.fromLngLats(CollectionsKt.listOf(mutableList));
          Intrinsics.checkNotNullExpressionValue(var10001, "Polygon.fromLngLats(listOf(mutableList))");
          GeoJsonSource item = Builder.geometry$default(var10000, (Geometry)var10001, (String)null, 2, (Object)null).build();
          MapView var18 = this.mapView;
          Intrinsics.checkNotNull(var18);
          Style var19 = var18.getMapboxMap().getStyle();
          if (var19 != null) {
            //This is the part not working and I can't find a method for
             SourceUtils.addSource((StyleInterface)var19, (StyleContract.StyleSourceExtension)item);
          }
    
          FillLayer polygonLayer = new FillLayer(id + "FillLayer_ID", id);
          polygonLayer.fillColor(fillColor);
          polygonLayer.fillOpacity(Opacity);
          SymbolLayer symbolLayer = new SymbolLayer(id + "SymbolLAYER_ID", id);
          symbolLayer.textField(id);
          symbolLayer.textSize(fontSize);
          symbolLayer.textColor(fillColor);
          symbolLayer.textOpacity(1.0);
    
          try {
             var18 = this.mapView;
             Intrinsics.checkNotNull(var18);
             var19 = var18.getMapboxMap().getStyle();
             if (var19 != null) {
                LayerUtils.addPersistentLayer$default((StyleInterface)var19, (Layer)polygonLayer, (LayerPosition)null, 2, (Object)null);
             }
    
             var18 = this.mapView;
             Intrinsics.checkNotNull(var18);
             var19 = var18.getMapboxMap().getStyle();
             if (var19 != null) {
                LayerUtils.addPersistentLayer$default((StyleInterface)var19, (Layer)symbolLayer, (LayerPosition)null, 2, (Object)null);
             }
          } catch (Exception var14) {
             String var20 = var14.getMessage();
             Intrinsics.checkNotNull(var20);
             Log.d("removeAnnotation", var20);
          }
    
       }

The issue is the line:

    SourceUtils.addSource((StyleInterface)var19, (StyleContract.StyleSourceExtension)item);

I've not been able to find a working example or method for it. The only java example that's available from mapbox is from the v9 sdk and doesn't work on the new version of the sdk.


Solution

  • Solved. Line should actually be:

    
        item.bindTo(var19);
    
    

    Also need to wait until the map style is fully loaded before you can add the element.