# Interface TileCallback

public interface TileCallback
Asynchronous result callback for `TileSource.fetchTile(int, int, int, TileCallback)`. Implementations are invoked on the Codename One event dispatch thread.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `tileFailed(int z, int x, int y)`
  Reports that the tile could not be retrieved.
  `void`
  `tileLoaded(int z, int x, int y, byte[] data)`
  Delivers the decompressed tile payload (MVT protobuf or encoded image bytes depending on the source).

- ## Method Details

  - ### tileLoaded

    void tileLoaded(int z, int x, int y, byte[] data)
    Delivers the decompressed tile payload (MVT protobuf or encoded image bytes depending on the source).

  - ### tileFailed

    void tileFailed(int z, int x, int y)
    Reports that the tile could not be retrieved.