You can also use a UIView’swindowproperty as a way of asking whether it is ulti‐mately embedded in the window; if it isn’t, itswindowproperty isnil. A UIView
whose window property is nil can not be visible to the user.
You can also use a UIView’swindowproperty as a way of asking whether it is ulti‐mately embedded in the window; if it isn’t, itswindowproperty isnil. A UIView
whose window property is nil can not be visible to the user.