andriod arcgis createPolygons创建带空的面

 private void createPolygons() {

    // create input polygon 1

    PointCollection pointsPoly = new PointCollection(SpatialReferences.getWebMercator());

    pointsPoly.add(new Point(-13160, 6710100));

    pointsPoly.add(new Point(-13300, 6710500));

    pointsPoly.add(new Point(-13760, 6710730));

    pointsPoly.add(new Point(-14660, 6710000));

    pointsPoly.add(new Point(-13960, 6709400));

    inputPolygon1 = new Polygon(pointsPoly);

    // create and add a blue graphic to show input polygon 1

    SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, 0x990000CC, lineSymbol);

    inputGeometryOverlay.getGraphics().add(new Graphic(inputPolygon1, fillSymbol));

    // create input polygon 2 with a green (0xFF009900) symbol

    // outer ring

    PointCollection outerRingSegmentCollection = new PointCollection(SpatialReferences.getWebMercator());

    outerRingSegmentCollection.add(new Point(-13060, 6711030));

    outerRingSegmentCollection.add(new Point(-12160, 6710730));

    outerRingSegmentCollection.add(new Point(-13160, 6709700));

    outerRingSegmentCollection.add(new Point(-14560, 6710730));

    outerRingSegmentCollection.add(new Point(-13060, 6711030));

    Part outerRing = new Part(outerRingSegmentCollection);

    // inner ring

    PointCollection innerRingSegmentCollection = new PointCollection(SpatialReferences.getWebMercator());

    innerRingSegmentCollection.add(new Point(-13060, 6710910));

    innerRingSegmentCollection.add(new Point(-12450, 6710660));

    innerRingSegmentCollection.add(new Point(-13160, 6709900));

    innerRingSegmentCollection.add(new Point(-14160, 6710630));

    innerRingSegmentCollection.add(new Point(-13060, 6710910));

    Part innerRing = new Part(innerRingSegmentCollection);

    // add both parts (rings) to a part collection and create a geometry from it

    PartCollection polygonParts = new PartCollection(outerRing);

    polygonParts.add(innerRing);

    inputPolygon2 = new Polygon(polygonParts);

    // create and add a green graphic to show input polygon 2

    fillSymbol = new SimpleFillSymbol(SimpleFillSymbol.Style.SOLID, 0x99009900, lineSymbol);

    inputGeometryOverlay.getGraphics().add(new Graphic(inputPolygon2, fillSymbol));

  }