GravBox.py 文件源码

def __init__(self, **kwargs):
        super(UiowaScreen, self).__init__(**kwargs)

        self.layout = FloatLayout()
        self.layout.width = Window.width
        self.layout.height = Window.height
        self.layout.x = Window.width/2 - self.layout.width/2
        self.layout.y = Window.height/2 - self.layout.height/2
        self.add_widget(self.layout)

        self.img = Image(source = self.uiowaImage)
        self.img.size = (Window.width*1.0, Window.height*1.0)
        self.img.pos = (-Window.width*0.0, -Window.height*0.0)
        self.img.opacity = 0.4
        self.add_widget(self.img)

        self.aboutText = Label(text= 'UIOWA INFO HERE')
        self.aboutText.pos = (.25, .25)
        self.add_widget(self.aboutText)

        tmpBtn1 = MyButton(text = 'BACK') #start button
        tmpBtn1.size_hint = (.1, .1)
        tmpBtn1.pos_hint ={'x': 0, 'y': .9}
        tmpBtn1.background_color = [.4, .4, .4, 1]
        tmpBtn1.bind(on_release = self.backButton) #when the button is released the backButton function is called
        self.layout.add_widget(tmpBtn1)