kivy-language

问题 I'm at my wits end here... So I have a kivy app that runs fine from the interpreter and fine when built as a directory. But it doesn't seem to matter how I build it, the resulting exe always fails to find my main.kv file. My file structure is that I basically have images and a bunch of screens. main.py main.kv resources/image 1 /image 2 /kv_files/screen1 /screen2 I have been over all the similar question on SO including this one, and this one and this one. I think I have tried all of the

问题 I'm creating a chat screen, adding a Label to my GridLayout everytime the send button is pressed. However, my Labels run off the side of the screen when the text becomes too long, I would like them to wrap round and the text to go onto a new line but this isn't happening and I'm not sure why. <ChatPage>: name: "chat_page" layout_content: layout_content NavigationLayout: id: nav_layout MDNavigationDrawer: NavigationDrawerIconButton: text: "Test" on_release: app.root.current = "login"

问题 I want to put the data of a (csv-)table into a kivy recycleview. I managed to insert multiple columns with one row, if i assign a fixed text to the Labels in the kv, but i can't get it to fill the labels with data from a dictionary list. This is the code so far, that i use to test the concept: from kivy.app import App from kivy.lang import Builder from kivy.uix.recycleview import RecycleView from kivy.uix.boxlayout import BoxLayout import csv items = [{'SP1': 'Artikelnummer', 'SP2': 'Name',

问题 I want to put the data of a (csv-)table into a kivy recycleview. I managed to insert multiple columns with one row, if i assign a fixed text to the Labels in the kv, but i can't get it to fill the labels with data from a dictionary list. This is the code so far, that i use to test the concept: from kivy.app import App from kivy.lang import Builder from kivy.uix.recycleview import RecycleView from kivy.uix.boxlayout import BoxLayout import csv items = [{'SP1': 'Artikelnummer', 'SP2': 'Name',

问题 Kivy documentation states that "Touching the spinner displays a dropdown menu with all the other available values from which the user can select a new one." Is there any workaround to tell if it is an old value a user selected in order to perform the same action? I am really stuck with this, please help me out. 回答1: Rather than using the on_text or on_select , you can use the Buttons that make up the DropDown to trigger whatever method you want to run. That way, it doesn't matter whether the

问题 I want create simple app and I'm new in python, this app contain two windows , at first windows have one button (Save) and two input text. at the second windows we have four label. after click on button in first windows the label ( username 1 print here ) in second windows change according text input in first windows.enter image description here enter image description here when I run my code the label not change, any one can help me what is wrong. python code from kivy.app import App from

问题 I want to deploy a Python Project with Kivy and a MapView. I develop with PyCharm and when I run my project with it, everything works well. I also tried to compile and run my project with the python IDLE, it also works good ! I followed the instructions of PyInstaller (https://www.pyinstaller.org/#pyinstaller-quickstart) and the folders were created. The problem is that my .exe file doesn't works... A cmd window is opened but it's immediately closed.. If you need more explanation, just let me

问题 I have the following code: from kivy.app import App from kivy.uix.floatlayout import FloatLayout class GUI(FloatLayout): def remove(self): self.remove_widget(self.ids.test) class GUIApp(App): def build(self): return GUI() if __name__ == '__main__': GUIApp().run() And the corresponding kv file: #:kivy 1.9.1 <GUI>: BoxLayout: Button: id: test text: 'Test' on_press: root.remove() The button should be removed when clicked. However, this does not happen. If I remove the BoxLayout in the kv file,

问题 I have the following code: from kivy.app import App from kivy.uix.floatlayout import FloatLayout class GUI(FloatLayout): def remove(self): self.remove_widget(self.ids.test) class GUIApp(App): def build(self): return GUI() if __name__ == '__main__': GUIApp().run() And the corresponding kv file: #:kivy 1.9.1 <GUI>: BoxLayout: Button: id: test text: 'Test' on_press: root.remove() The button should be removed when clicked. However, this does not happen. If I remove the BoxLayout in the kv file,

问题 Problem: Is there a way to fire an event if a multiline = True TextInput lost its focus? Background: I have tried on_touch_up function. But it returns the instances of all my TextInputs , not just the current widget. I tried text_validate_unfocus = False , with the same result. Code: import kivy kivy.require("1.10.1") from kivy.app import App from kivy.uix.floatlayout import FloatLayout from kivy.properties import ObjectProperty, NumericProperty from kivy.uix.textinput import TextInput from