import org.mapsforge.map.datastore.MapDataStore; //导入依赖的package包/类
private MapPosition getInitialPosition() {
    File mapFile = getMapFile();
    MapDataStore mapDataStore = new MapFile(mapFile);

    final LatLong uniteich = new LatLong(48.33706, 14.31960);
    final byte zoomLevel = (byte) Math.max(Math.min(DEFAULT_ZOOM_LEVEL /*mapDataStore.startZoomLevel()*/, MAX_ZOOM_LEVEL), MIN_ZOOM_LEVEL);

    if (mapDataStore.boundingBox().contains(uniteich)) {
        // Insel im Uniteich
        return new MapPosition(uniteich, zoomLevel);
    } else if (mapDataStore.startPosition() != null &&
            mapDataStore.boundingBox().contains(mapDataStore.startPosition())) {
        // given start position, zoom in range
        return new MapPosition(mapDataStore.startPosition(), zoomLevel);
    } else {
        // center of the map
        return new MapPosition(
                mapDataStore.boundingBox().getCenterPoint(),
                zoomLevel);
    }
}
 

import org.mapsforge.map.datastore.MapDataStore; //导入依赖的package包/类
private TileRendererLayer createTileRendererLayer(TileCache tileCache,
                                                  MapViewPosition mapViewPosition, File mapFile,
                                                  XmlRenderTheme renderTheme) {
    MapDataStore mapDataStore = new MapFile(mapFile);

    TileRendererLayer tileRendererLayer = AndroidUtil.createTileRendererLayer(tileCache,
            mapViewPosition, mapDataStore, renderTheme, false, false, true);
    tileRendererLayer.setTextScale(1.5f);

    return tileRendererLayer;
}
 

import org.mapsforge.map.datastore.MapDataStore; //导入依赖的package包/类
public OsmTilegenerator( MapDataStore mapDatabase, final DatabaseRenderer renderer, final RenderThemeFuture renderTheme,
        final DisplayModel displayModel, int tileSize ) {
    this.mapDatabase = mapDatabase;
    this.renderer = renderer;
    this.theme = renderTheme;
    this.model = displayModel;
    this.tileSize = tileSize;
}
 

import org.mapsforge.map.datastore.MapDataStore; //导入依赖的package包/类
private RendererJob createJob(MapDataStore mapData, RenderThemeFuture rtf, byte zoom, int tx, int ty) {
	Tile tile = new Tile(tx, ty, zoom, TILE_SIZE);
	RendererJob theJob = new RendererJob(tile, mapData, rtf, DISPLAY_MODEL, 1.0f, false, false);
	return theJob;
}
 

import org.mapsforge.map.datastore.MapDataStore; //导入依赖的package包/类
/**
 * 開啟地圖
 *
 * @param context Activity 或 Service
 * @return 圖資存取介面
 * @throws IOException
 */
public static MapDataStore openMapData(Context context) throws IOException {
    File path = new File(getMapPath(context), MAP_NAME);
    return new MapFile(path);
}