import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
private CycleMapTileProvider(final Context context,
                             final ITileSource tileSource,
                             final IRegisterReceiver registerReceiver) {
  super(tileSource, registerReceiver);

  final MapTileFilesystemProvider fileSystemProvider =
      new MapTileFilesystemProvider(registerReceiver, tileSource);
  mTileProviderList.add(fileSystemProvider);

  final NetworkAvailabliltyCheck networkCheck = new NetworkAvailabliltyCheck(context);

  final MapTileDownloader downloaderProvider =
      new MapTileDownloader(tileSource,
          new TileWriter(),
          networkCheck);
  mTileProviderList.add(downloaderProvider);

  final MapsforgeOSMDroidTileProvider mapsforgeProvider =
      new MapsforgeOSMDroidTileProvider(tileSource, networkCheck);
  mTileProviderList.add(mapsforgeProvider);
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
private MapTileDownloader getMapTileDownloader(final ITileSource tileSource) {
    // Create a file cache modular provider
    //FIXME: Der Cache-Mechanismus speichert die Tiles unter "/osmdroid/<kartenname>". Dies sollte man unterbinden,
    // da es evtl zu Konflikten mit Apps kommt, die auch osmdroid verwenden!
    final TileWriter tileWriter = new TileWriter();
    // Create a download modular tile provider
    final NetworkAvailabliltyCheck networkAvailabliltyCheck = new NetworkAvailabliltyCheck(context);
    //ACHTUNG: Der Downloader funktioniert aktuell nur mit dem FilesystemProvider ordnungsgemäß!! Eigenständig 
    // funkioniert dieser nicht! Es liegt daran, dass die überschriebene Methode "tileLoaded" in der internen
    // TileLoader-Klasse nicht dafür vorgesehen ist. Es funktioniert allerdings, wenn man die überschriebene 
    // Methode nicht überschreibt!
    final MapTileDownloader downloaderProvider =
            new MapTileDownloader(tileSource, tileWriter, networkAvailabliltyCheck);
    return downloaderProvider;
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
public MapsforgeOSMDroidTileProvider(final ITileSource fallbackSource,
                     final NetworkAvailabliltyCheck networkCheck)
{
  super(NUMBER_OF_TILE_DOWNLOAD_THREADS, TILE_DOWNLOAD_MAXIMUM_QUEUE_SIZE);
  tileSource_ = null;
  fallbackTileSource_ = fallbackSource instanceof OnlineTileSourceBase ? (OnlineTileSourceBase)fallbackSource : null;
  networkCheck_ = networkCheck;
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
private void createMapOBSO() {
	final Context context = this;
	final Context applicationContext = context.getApplicationContext();
	final IRegisterReceiver registerReceiver = new SimpleRegisterReceiver(applicationContext);

	// Create a custom tile source
	final ITileSource tileSource = new XYTileSource("Mapnik", ResourceProxy.string.mapnik, 1, 18, 256, ".png", "http://tile.openstreetmap.org/");

	// Create a file cache modular provider
	final TileWriter tileWriter = new TileWriter();
	final MapTileFilesystemProvider fileSystemProvider = new MapTileFilesystemProvider(registerReceiver, tileSource);

	// Create an archive file modular tile provider
	//GEMFFileArchive gemfFileArchive = GEMFFileArchive.getGEMFFileArchive(mGemfArchiveFilename ); // Requires try/catch
	//MapTileFileArchiveProvider fileArchiveProvider = new MapTileFileArchiveProvider(registerReceiver, tileSource, new IArchiveFile[] { gemfFileArchive });

	// Create a download modular tile provider
	final NetworkAvailabliltyCheck networkAvailabliltyCheck = new NetworkAvailabliltyCheck(context);
	final MapTileDownloader downloaderProvider = new MapTileDownloader(tileSource, tileWriter, networkAvailabliltyCheck);

	// Create a custom tile provider array with the custom tile source and the custom tile providers
	//final MapTileProviderArray tileProviderArray = new MapTileProviderArray(tileSource, registerReceiver, new MapTileModuleProviderBase[] { fileSystemProvider, fileArchiveProvider, downloaderProvider });
	final MapTileProviderArray tileProviderArray = new MapTileProviderArray(tileSource, registerReceiver, new MapTileModuleProviderBase[] { fileSystemProvider, downloaderProvider });
	//final MapTileProviderArray tileProviderArray = new MapTileProviderArray(tileSource, registerReceiver, new MapTileModuleProviderBase[] { downloaderProvider });

	// Create the mapview with the custom tile provider array
	//mMapView = new MapView(context, 256, new DefaultResourceProxyImpl(context), tileProviderArray);
       MapView mMapView = (MapView) findViewById(R.id.mapview);
       mMapView.setTileSource(tileSource);        

}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
/**
 * Creates a {@link SafeMapTileProviderBasic}.
 */
public SafeMapTileProviderBasic(final Context pContext, final ITileSource pTileSource) {
	this(pContext, new SimpleRegisterReceiver(pContext), new NetworkAvailabliltyCheck(pContext),
			pTileSource);
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
/**
 * Creates a {@link MapTileProviderBasic}.
 */
public MapTileProviderBasic(final Context pContext, final ITileSource pTileSource) {
	this(new SimpleRegisterReceiver(pContext), new NetworkAvailabliltyCheck(pContext),
			pTileSource, pContext,null);
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
public GeoPackageProvider(File[] db, Context context) {
    this(new SimpleRegisterReceiver(context), new NetworkAvailabliltyCheck(context),
        TileSourceFactory.DEFAULT_TILE_SOURCE, context, null, db);
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
/**
 * Creates a {@link MapTileProviderBasic}.
 */
public WMSMapTileProviderBasic(final Context pContext,
		final ITileSource pTileSource) {
	this(new SimpleRegisterReceiver(pContext),
			new NetworkAvailabliltyCheck(pContext), pTileSource);
}
 

import org.osmdroid.tileprovider.modules.NetworkAvailabliltyCheck; //导入依赖的package包/类
/**
 * @param pContext
 * @param pTileSource
 */
public MapTileProviderLocal(String basePath, Context pContext, ITileSource pTileSource) {
	this(basePath, new SimpleRegisterReceiver(pContext), new NetworkAvailabliltyCheck(pContext), pTileSource);

}