Many people state that kivy is slow. While this may be true it is mostly due to that python is slow to run on android devices.Thus it is in the programmer's hands to properly optimize their code so as to create a performant application.
Most of the lag on android devices runing kivy apps arise due to widget creation. Widget creation remains the slowest step in a kivy app. Here are some of the methods that I follow to optimize my apps and ensure I can hit 60fps even on old devices
| # convert from https://www.dwitter.net/d/26619 | |
| from turtle import * | |
| bgcolor(0,0,0), setup(500,500) | |
| hideturtle(), tracer(False), penup() | |
| def rect(x=0, y=0, w=100): | |
| goto(x,y) | |
| begin_fill() | |
| [ forward(w) or left(90) for _ in range(4) ] | |
| end_fill() |
| # inspired by https://www.dwitter.net/d/28950 | |
| from turtle import * | |
| bgcolor(0,0,0), setup(500,500) | |
| hideturtle(), tracer(0), penup() | |
| from math import sin, cos | |
| from time import perf_counter | |
| def _Oneo_Kuu(): | |
| update(), clear() | |
| t = perf_counter() |
| # convert from dwitter.net/d/26555 --By hoplite | |
| from turtle import * | |
| bgcolor("#000"), setup(500,500) | |
| hideturtle(), tracer(0), penup() | |
| getcanvas().winfo_toplevel().wm_attributes("-transparentcolor", "#000") | |
| getcanvas().winfo_toplevel().attributes('-fullscreen', True) | |
| from math import sin, cos | |
| from time import perf_counter | |
| w = 500 |
| # This program is free software; you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation; either version 3 of the License, or | |
| # (at your option) any later version. | |
| # | |
| # This program is distributed in the hope that it will be useful, but | |
| # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTIBILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| # General Public License for more details. | |
| # |
