Wrapper RubyMotion para MBProgressHud

SEQUE seu MBProgressHUD no RubyMotion

Uso:

HUD.wrap(@myView, proc do
  sleep 20
end, proc do
  App.alert("Done loading!")
end)

Dependências:
– MBProgressHUD (duh)
– BubbleWrap :: Reactor

Instalação:
1. Crie um arquivo libchamado hud.rb
2. Adicione app.files.unshift(*Dir['lib/*.rb'])ao seuRakefile

class HUD
  def self.wrap(view, operation, callback)
    MBProgressHUD.showHUDAddedTo(view, animated:true)
    BW::Reactor.defer(operation, proc do
      MBProgressHUD.hideHUDForView(view, animated:true)
      callback.call
    end)
  end
end