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PosAni

logo.png

Automatically animates changes in widget positions.

Youtube

Installation

Pin the minor version.

poetry add kivy-garden-posani@~0.3
pip install "kivy-garden-posani>=0.3,<0.4"

Usage

from kivy_garden import posani

posani.activate(widget)

Install if you prefer not to manually activate each individual widget. All the widgets created after the installation will be automatically "activated".

posani.install()

To install on a specific type of widgets:

posani.install(target="WidgetClassName")

Q&A

Why is it implemented through a widget's canvas rather than just updating the widget's position?

Many layouts, such as BoxLayout and GridLayout, constrain the positions of their children, so moving a widget to an arbitrary position isn't always possible.

Why does it not animate widget sizes?

It used to until version 0.1.x but this feature was dropped in version 0.2.0. The reason is that scaling a widget using kivy.graphics.Scale produces visually unappealing results.