public override async Task Prepare()
{
await base.Prepare();
IsLoading = true;
RemainingCapacity = await tileManager.GetRemainingTileCapacityAsync();
OnPropertyChanged("RemainingCapacity");
var newTiles = (await tileManager.GetTilesAsync()).ToArray();
var toAdd = newTiles.Where(n => Tiles.All(o => o.Tile.Id != n.Id)).ToArray();
var toRemove = Tiles.Where(o => newTiles.All(n => n.Id != o.Tile.Id)).ToArray();
foreach (var tile in toAdd)
{
Tiles.Add(new TileViewModel(tile, tileManager));
}
foreach (var tile in toRemove)
{
Tiles.Remove(tile);
}
IsLoading = false;
}
private async Task LoadTiles()
{
var tiles = await _tileManager.GetTilesAsync();
Tiles = new ObservableCollection <BandTile>(tiles);
}
