gravbox-master-erin.py 文件源码

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

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

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

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

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