protected override async Task <ImageSource> GetImageAsync()
{
var uri = GetImageUri();
return(uri != null ? await ImageLoader.LoadImageAsync(uri) : null);
}
/// <summary>
/// Loads a tile ImageSource asynchronously from GetUri(x, y, zoomLevel).
/// </summary>
public virtual Task <ImageSource> LoadImageAsync(int x, int y, int zoomLevel)
{
var uri = GetUri(x, y, zoomLevel);
return(uri != null?ImageLoader.LoadImageAsync(uri) : Task.FromResult((ImageSource)null));
}
private void LoadTileImage(Tile tile, Stream stream)
{
SetTileImage(tile, ImageLoader.LoadImage(stream));
}
/// <summary>
/// Loads a tile ImageSource asynchronously from GetUri(x, y, zoomLevel).
/// </summary>
public virtual async Task <ImageSource> LoadImageAsync(int x, int y, int zoomLevel)
{
var uri = GetUri(x, y, zoomLevel);
return(uri != null ? await ImageLoader.LoadImageAsync(uri) : null);
}