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) {

}
}