这是我的 .py 文件
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.properties import ObjectProperty
from kivy.lang import Builder
from kivy.uix.screenmanager import Screen, ScreenManager
from kivy.core.window import Window
from kivy.uix.button import Button
Window.size = (500,700)
Builder.load_file('calc.kv')
class MyLayout(Widget):
pass
class Screen1(Screen):
def clear (self):
self.ids.calc_input.text = "0"
def button_press(self, button):
prior = self.ids.calc_input.text
if prior == "0":
self.ids.calc_input.text = ''
#self.ids.calc_input.text = f'{Button}'
else:
self.ids.calc_input.text = f'{prior}{button}'
def math_sign(self, sign):
prior = self.ids.calc_input.text
self.ids.calc_input.text = f'{prior}{sign}'
def remove(self):
prior = self.ids.calc_input.text
prior = prior [:-1]
self.ids.calc_input.text = prior
def dot(self):
prior = self.ids.calc_input.text
num_list = prior.split("+")
num_list[-1]
if "+" in prior and "." not in num_list[-1]:
prior = f'{prior}.'
self.ids.calc_input.text = prior
if "." in prior:
pass
else:
prior = f'{prior}.'
self.ids.calc_input.text = prior
def equals(self):
prior = self.ids.calc_input.text
answer = eval(prior)
self.ids.calc_input.text = str(answer)
'''
if "+" in prior:
num_list = prior.split("+")
answer = 0.0
for number in num_list:
answer = answer + float(number)
self.ids.calc_input.text = str(answer)
if "-" in prior:
num_list = prior.split("-")
answer = 0.0
for number in num_list:
answer = answer - float(number)
self.ids.calc_input.text = str(answer)
if "x" in prior:
num_list = prior.split("*")
answer = 0.0
for number in num_list:
answer = answer * float(number)
self.ids.calc_input.text = str(answer)
if "/" in prior:
num_list = prior.split("/")
answer = 0.0
for number in num_list:
answer = answer / float(number)
self.ids.calc_input.text = str(answer)
#self.ids.text = answer
'''
class WindowManager(ScreenManager):
pass
class App(App):
def build(self):
return WindowManager()
if __name__ == "__main__":
App().run()
这是我的 .kv 文件
#:kivy 2.0.0
<WindowManager>:
Screen1
<Screen1>:
BoxLayout:
orientation:"vertical"
size: root.width, root.height
TextInput:
id: calc_input
text: "0"
halign: "right"
font_size : 65
size_hint: (1, .15)
GridLayout:
cols:4
rows:5
# Button:
# size_hint: (.2, .2)
# font_size: 32
# text: "%"
Button:
size_hint: (.2, .2)
font_size: 32
text: "<<<"
on_press : root.remove()
Button:
id: clear
size_hint: (.2, .2)
font_size: 32
text: "C"
on_press : root.clear()
Button:
size_hint: (.2, .2)
font_size: 32
text: "/"
on_press : root.math_sign("/")
Button:
size_hint: (.2, .2)
font_size: 32
text: "7"
on_press : root.button_press(7)
Button:
size_hint: (.2, .2)
font_size: 32
text: "8"
on_press : root.button_press(8)
Button:
size_hint: (.2, .2)
font_size: 32
text: "9"
on_press : root.button_press(9)
Button:
size_hint: (.2, .2)
font_size: 32
text: "x"
on_press : root.math_sign("*")
Button:
size_hint: (.2, .2)
font_size: 32
text: "4"
on_press : root.button_press(4)
Button:
size_hint: (.2, .2)
font_size: 32
text: "5"
on_press : root.button_press(5)
Button:
size_hint: (.2, .2)
font_size: 32
text: "6"
on_press : root.button_press(6)
Button:
size_hint: (.2, .2)
font_size: 32
text: "-"
on_press : root.math_sign("-")
Button:
size_hint: (.2, .2)
font_size: 32
text: "1"
on_press : root.button_press(1)
Button:
size_hint: (.2, .2)
font_size: 32
text: "2"
on_press : root.button_press(2)
Button:
size_hint: (.2, .2)
font_size: 32
text: "3"
on_press : root.button_press(3)
Button:
size_hint: (.2, .2)
font_size: 32
text: "+"
on_press : root.math_sign("+")
# Button:
# size_hint: (.2, .2)
# font_size: 32
# text: "+/-"
Button:
size_hint: (.2, .2)
font_size: 32
text: "0"
on_press : root.button_press(0)
Button:
size_hint: (.2, .2)
font_size: 32
text: "."
on_press : root.dot()
Button:
size_hint: (.2, .2)
font_size: 32
text: "="
on_press :root.equals()
我在 vs 代码中没有遇到任何错误，即使在使用 google collab 制作 apk 时，但当我尝试在 andriod 上安装它时，它首先显示启动，但突然崩溃，同样发生在 bluestacks 上，如果你愿意，请告诉我了解任何额外的事情。