在python中为移动应用创建主菜单 [英] creating a main menu for a mobile app in python
问题描述
我很难弄清楚如何开始显示主菜单的代码.我希望该主菜单显示5个不同的选项,当单击其中的一个时,它将打开该页面/选项.我还安装了Kivy,总体目标是制作一个移动应用程序.我的python经验很低,因此我实际上并未为此目的编写任何代码,但是我对应用程序的外观有了完整的布局.
I'm have trouble figuring out how to begin a code that displays a main menu. I want this main menu to display 5 different options that when on of them is clicked, it open that page/option. I also have Kivy installed, and the overall goal is to make a mobile app. My python experience is low, so I haven't actually written out any code for this goal but I have a full layout of what I want the app to look like.
已更新:
这是我到目前为止所拥有的.
This is what I have so far.
mainMenu = {}
mainMenu ['1'] = 'Option 1'
mainMenu ['2'] = 'Option 2'
mainMenu ['3'] = 'Option 3'
mainMenu ['4'] = 'Option 4'
mainMenu ['5'] = 'Option 5'
print(mainMenu)
while True:
selection = input()
if selection == '1':
print('Page 1')
elif selection == '2':
print('Page 2')
elif selection == '3':
print('Page 3')
elif selection == '4':
print('Page 4')
elif selection == '5':
print('Page 5')
break
推荐答案
请参考以下示例,并根据您的要求进行修改.我建议阅读大量文档"Kivy"下拉列表.
Please refer to the example below and modify it as per your requirementst. I recommend reading the documentation abound Kivy Dropdown list.
from kivy.app import App
from kivy.uix.dropdown import DropDown
from kivy.uix.floatlayout import FloatLayout
from kivy.config import Config
class SubMenu(DropDown):
pass
class MainMenu(FloatLayout):
def display_selected_submenu(self, instance, x):
print("Page " + x)
class TestApp(App):
title = "Kivy Drop-Down List Demo"
Config.set("graphics", "width", "800")
Config.set("graphics", "height", "480")
def build(self):
return MainMenu()
if __name__ == '__main__':
TestApp().run()
test.kv
#:kivy 1.10.0
#:import Factory kivy.factory.Factory
<CustomButton@Button>:
size_hint_y: None
height: 40
font_size: 18
<SubMenu>:
on_select: app.root.display_selected_submenu(self, args[1])
CustomButton:
id: button1
text: 'Open'
txt: "1"
on_release: root.select(self.txt)
CustomButton:
id: button2
text: 'Save'
txt: "2"
on_release: root.select(self.txt)
CustomButton:
id: button3
text: 'Exit'
txt: "3"
on_release: root.select(self.txt)
<MainMenu>:
canvas.before:
Color:
rgba: 0.5, 0.5, 0.5, 0.5
Rectangle:
pos: 0,0
size: self.width, self.height
Button:
id: mainbutton
text: "File Menu"
font_size: 20
size_hint: None, None
size: 150, 50
top: root.top
on_release: Factory.SubMenu().open(self)
输出
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