update 3.26

@@ -103,7 +103,7 @@ public class MainActivity extends AppCompatActivity {
         mapView.addLayer(t_vec);
         t_cva = new TianDiTuTiledMapServiceLayer(TianDiTuTiledMapServiceType.CVA_C);
         mapView.addLayer(t_cva);
-
+        // 一个本地sqlite数据库，注意其只有8-9级数据，因此在数据层中予以了显示控制
         t_local = new TianDiTuLocalTiledMapServiceLayer("my.db", "IMG_C");
         mapView.addLayer(t_local);
 
@@ -115,7 +115,7 @@ public class MainActivity extends AppCompatActivity {
         mapView.addLayer(t_cia);
         mapType = "VEC";
 
-        mapView.setMaxResolution(TDTTileinfo.getRes4490()[0]);
+        mapView.setMaxResolution(TDTTileinfo.getRes4490()[1]);
         mapView.setMinResolution(TDTTileinfo.getRes4490()[18]);
 
         mapView.setOnStatusChangedListener(new OnStatusChangedListener() {