def __init__(self, **kwargs):
super(WelcomeScreen, self).__init__(**kwargs)
layout = FloatLayout() #Float Layout for positioning buttons and image anywhere on the screen
layout.width = Window.width #the float layout is the size of the window
layout.height = Window.height
layout.x = Window.width/2 - layout.width/2 #sets the x position of the layout to 0
layout.y = Window.height/2 - layout.height/2 #sets the y position of the layout to 0
self.add_widget(layout) #adds the layout to the screen
img = Image(source = self.welcomeImage) #BACKGROUND IMAGE
img.size = (Window.width*1.0, Window.height*1.0)
img.pos = (-Window.width*0.0, -Window.height*0.0)
img.opacity = 1.0 #alpha value between 0.0 - 1.0
self.add_widget(img) #adds the image to the screen
startBtn = MyButton(text = '') #start button
startBtn.size_hint = (.21, .09)
startBtn.pos_hint ={'x': .395, 'y': .24}
startBtn.background_color = [.4, .4, .4, .4] #backgroundcolor of the button (this is grayish)
startBtn.bind(on_release = self.changer) #when the button is released the changer function is called
self.add_widget(startBtn) #adds the button called startButton to the floatlayout
aboutBtn = MyButton(text = '') #about button
aboutBtn.size_hint = (.08, .095)
aboutBtn.pos_hint ={'x': .618, 'y': 0}
aboutBtn.background_color = [.4, .4, .4, .4]
aboutBtn.bind(on_release = self.about) #when the button is released the about function is called
self.add_widget(aboutBtn) #adds the button called aboutBtn to the floatlayout
uiowaBtn = MyButton(text = '') #uiowa button
uiowaBtn.size_hint = (.08, .095)
uiowaBtn.pos_hint = {'x':.7, 'y': 0}
uiowaBtn.background_color = [.4, .4, .4, .4]
uiowaBtn.bind(on_release = self.uiowa) #when the button is released the uiowa function is called
self.add_widget(uiowaBtn) #adds the button called uiowaBtn to the floatlayout
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