Arcgis Runtime for andriod 100 加载geodatabase

private  void  LoadMY()
{
    try {
        String mainGeodatabaseFilePath =
                YLPub.getMapData() + "/gismap/sl.geodatabase";;
        mMapView  = (MapView) findViewById(R.id.mapView);
        String tpk=YLPub.getMapData() + "/gismap/map.tpk";
        TileCache vTileCache = new TileCache(tpk);
        ArcGISTiledLayer mainArcGISTiledLayer = new ArcGISTiledLayer(vTileCache);
        Basemap mainBasemap = new Basemap(mainArcGISTiledLayer);
        pMap = new ArcGISMap(mainBasemap);
        mMapView .setMap(pMap);
        final Geodatabase mainGeodatabase = new Geodatabase(mainGeodatabaseFilePath);
        mainGeodatabase.loadAsync();
        mainGeodatabase.addDoneLoadingListener(new Runnable() {
            @Override
            public void run() {
                List<GeodatabaseFeatureTable> resultsGFT = mainGeodatabase.getGeodatabaseFeatureTables();
                int valueCount = resultsGFT.size();
                for (int i = valueCount - 1; i > -1; i--) {
                    FeatureLayer valueFL = new FeatureLayer(resultsGFT.get(i));
                    valueFL.setVisible(true);
                    LayerList mainLayerList = pMap.getOperationalLayers();
                    mainLayerList.add(valueFL);
                }
            }
        });
    } catch (Exception e) {

    }
}