void OnPopupBackClicked(object sender, EventArgs e)
{
ContentView.Folder = ContentView.Folder.Substring(0, ContentView.Folder.Length - 1);
var lastSlash = ContentView.Folder.LastIndexOf("/", StringComparison.Ordinal);
if (lastSlash == -1)
{
ContentView.Folder = "";
ContentView.HideBackButton();
}
else
{
ContentView.Folder = ContentView.Folder.Substring(0, lastSlash + 1);
}
List <Package> packages = Client.GetPackages(ContentView.Folder);
ContentView.PackageContent.AddPackages(packages);
}