Created
May 6, 2019 01:05
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from kivy.app import App | |
from kivy.lang import Builder | |
from kivy.clock import Clock | |
from kivy.animation import Animation | |
# Expands an element in a grid and adds a widget to it/ | |
kv = """ | |
<AnimatedListTile@FloatLayout>: | |
canvas.before: | |
Color: | |
rgb: 1,1,1 | |
Rectangle: | |
size: self.size | |
pos: self.pos | |
animated: False | |
Label: | |
text: "Hello" | |
color: (0,0,0,1) | |
size_hint: 1, 1 if not root.animated else .5 | |
pos_hint: {"top": 1, "right": 1} | |
Button: | |
text: "A button" | |
size_hint: 1, .5 | |
pos_hint: {"top": .5, "right": 1 if root.animated else 100} | |
GridLayout: | |
cols: 1 | |
spacing: 10, | |
padding: 10, | |
AnimatedListTile: | |
size_hint: 1, .1 | |
pos_hint: {"center_x": .5, "center_y": .5} | |
AnimatedListTile: | |
id: animated_widget | |
size_hint: 1, .1 | |
pos_hint: {"center_x": .5, "center_y": .5} | |
AnimatedListTile: | |
size_hint: 1, .1 | |
pos_hint: {"center_x": .5, "center_y": .5} | |
AnimatedListTile: | |
size_hint: 1, .1 | |
pos_hint: {"center_x": .5, "center_y": .5} | |
AnimatedListTile: | |
size_hint: 1, .1 | |
pos_hint: {"center_x": .5, "center_y": .5} | |
""" | |
kv = Builder.load_string(kv) | |
class MainApp(App): | |
def build(self): | |
return kv | |
def on_start(self): | |
Clock.schedule_interval(self.animate, 2) | |
def animate(self, *args): | |
anim = Animation(size_hint_y=.3) | |
anim.bind(on_complete=self.reset_anim) | |
self.root.ids.animated_widget.animated = True | |
anim.start(self.root.ids.animated_widget) | |
def reset_anim(self, *args): | |
widget = self.root.ids.animated_widget | |
widget.size_hint_y = .1 | |
self.root.ids.animated_widget.animated = False | |
MainApp().run() |
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