Observer (mapsforge-map 0.18.0 API)

All Known Implementing Classes:

FrameBufferController, LayerManagerController, MapViewController, TileDownloadLayer, TileRendererLayer
```
public interface Observer
```

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void onChange()
  Called whenever the observed object has been changed.

- Method Detail
  - onChange
```
void onChange()
```
    Called whenever the observed object has been changed.
    Time-consuming operations should be performed in a separate thread.