Kivy: on_scroll_stop

scrollstop.py

import kivy
kivy.require('1.8.1')

from kivy.app import App
from kivy.lang import Builder

root = Builder.load_string('''
<Button>:
    size_hint_y: None
    height: sp(64)

ScrollView:
    #on_scroll_stop: app.sstop()
    GridLayout:
        cols: 1
        size_hint_y: None
        height: self.minimum_height

        Button
        Button
        Button
        Button
        Button
        Button
        Button
        Button
        Button
        Button
        Button
        Button
''')

class TestApp(App):
    def build(self):
        root.bind(on_scroll_stop=self.sstop)
        return root

    def sstop(self, *args):
        print 'scroll stopped'

if __name__ == '__main__':
    TestApp().run()