def back(button):
Screen.back()
def callback(self, obj_listbox):
if obj_listbox._initial_value is not None: # a touch has occurred
val = obj_listbox.textvalue()
Screen.back()
if self.dropdown is not None: # Part of a Dropdown
self.dropdown.value(obj_listbox.value()) # Update it
def back(button):
for task in self.tasks:
task.cancel()
self.tasks = []
Screen.back()
def back(self, button, text):
Aperture.value(text)
Screen.back()
