无法直接关闭ActionOverflow

Question

我在我的应用程序（ScreenManager）中有2 Screens。其中之一有ActionBar与ActionOverflow。我有按钮应该改变当前Screen和关闭ActionOverflow，但Screen更改和ActionOverflow保持打开，直到 我在另一个地方点击屏幕。

这里是一些代码：

# .kv 
ScreenManager: 
    id: ScrMan 
    Screen: 
     name: 'scr1' 
     BoxLayout: 
      orientation: 'vertical' 
      ActionBar: 
       ActionView: 
        ActionOverflow: 
         id: ActOv 
         #some buttons 
         ActionButton: 
          text: 'some text' 
          on_press: 
           ActOv.is_open = False 
           #I also tried: is_open = False; self.parent.is_open = False; with the same result 
           ScrMan.current = 'scr2' 

    Screen: 
     name: 'scr2' 
     #some cool stuff here 

我怎样才能改变屏幕和接近ActionOverflow列表？

Answer 1

编辑：正如您具有版本1.9.1（或以上的主分支，有this修复丢失更改actionbar.py在<python dir>/Lib/site-packages/kivy/uix/actionbar.py带来的默认行为旧版本

---

下拉应该关闭的。 。它自己默认也许有一些错误代码如将ActionButton到ActionOverflow作为一个widget或者也许别的试试这个：

from kivy.lang import Builder 
from kivy.base import runTouchApp 
from kivy.uix.boxlayout import BoxLayout 
Builder.load_string(''' 
#:import Clock kivy.clock.Clock 
#:import partial functools.partial 
<Test>: 
    ScreenManager: 
     id: ScrMan 
     Screen: 
      name: 'scr1' 
      ActionBar: 
       pos_hint: {'top': 1} 
       ActionView: 
        ActionPrevious: 
        ActionOverflow: 
        ActionButton: 
         text: 'some very very long text' 
        ActionButton: 
         text: 'some very very long text' 
        ActionButton: 
         text: 'some very very long text' 
        ActionButton: 
         text: 'some very very long text' 
        ActionButton: 
         text: 'some very very long text' 
        ActionButton: 
         text: 'try this button!' 
         on_press: 
          ScrMan.current = 'scr2' 
          Clock.schedule_once(partial(root.change_scr, ScrMan), 1) 
     Screen: 
      name: 'scr2' 
      Label: 
       text: 'second' 
''') 
class Test(BoxLayout): 
    def change_scr(self, man, *dt): 
     man.current = man.previous() 
runTouchApp(Test())