Questions tagged as 'python-kivy'

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How to use Kivy RecycleView in KV language and with ScreenManager?

I'm using Kivy for an app. I have a database in Google Firebase working fine, I can save it there quietly. I would like to return this data to my app, but before I get into trouble with it, I can not list anything in Kivy. I wanted to use...
asked by 10.09.2018 / 22:36
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Kivy widget positioning

I'm picking up Layout managers but I'm moving slowly. I have this study code: <Tela@RelativeLayout>: canvas.before: Color: rgb: 0,1,.05 Rectangle: pos: [0.2*coord for coord in self.size]...
asked by 02.07.2018 / 19:01
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Widget alignment inside a boxlayout

Good morning. I'm making a login screen using boxlayout like the image below: How do I get Labels and InputText closer and center them? The code is below: <Login>: canvas.before: Color: rgba: (0.5, 0.5, 0.5, 1)...
asked by 29.06.2018 / 14:19
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AttributeError: 'NoneType' object has no attribute

Hello, I'm doing some testing with the Kivy framework and this error is being presented to me: AttributeError: 'NoneType' object has no attribute 'text' Well, follow the Python code: class Window(BoxLayout): text = StringProperty...
asked by 16.04.2018 / 21:43
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Python 3 AttributeError: 'LoginScreen' object has no attribute 'username'

Python 3.6.4 / Pycharm IDE I was studying the kivy library and the error occurred while trying to replicate the code below: from kivy.app import App from kivy.uix.gridlayout import GridLayout from kivy.uix.label import Label from kivy.uix.t...
asked by 11.04.2018 / 16:11
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C: \ Users \ Raiqupip install pygame - "The system can not execute the specified program"

I'm trying to download pygame in python 3.6.5 (64-bit) windows 10, but when I open cmd, I try to run the command " pip install pygame " or kivy , or just type " pip " in the cmd, this message appears ... "The system can not exe...
asked by 14.04.2018 / 02:51
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I can not download "pygame" or "kivy" through the command "pip install ..."

When I try to download pygame the following appears, remembering that my pc is windows 10 - 64bit. use python 3.7.0b3 (64bit) downloading pygame: Collecting pygame Using cached pygame-1.9.3.tar.gz     Complete output from command python...
asked by 13.04.2018 / 17:25
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Pyro with Android

I developed a small application that should query data via Remote Procedure Call (using Pyro4) and display it on the mobile phone - only when the user populates a field and clicks a button. I also developed the service, which I run on my note...
asked by 23.02.2018 / 15:25
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Doubt on how to use on_text () and on_start () in Python

Hello everyone. I have a doubt. I am a beginner in the language and I am trying to develop a screen for selling a product for training. Then there are the fields "description", "quantity", "unit value" and "total value". My idea was that as I fi...
asked by 15.02.2018 / 18:48
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kivy in python 3.6

I'm using Python 3.6.2 and I'm learning kivy . The script does not run because sdl2 is missing. I already installed pillow and pillow-PIL , but I can not install sdl2 . I tried pysdl2 and it did not work....
asked by 15.02.2018 / 22:11