kivy2 box layout

from kivy.app import App

from kivy.uix.button import Button

from kivy.uix.scatter import Scatter

from kivy.uix.label import Label

from kivy.uix.floatlayout import FloatLayout

from kivy.uix.textinput import TextInput

from kivy.uix.boxlayout import BoxLayout

class buttonApp(App):

    def build(self):

        return Button(text = "Hello!",

                      background_color = (1, 0, 1, 1),

                      font_size=150)

class scatterApp(App):

    def build(self):

        f = FloatLayout()

        s = Scatter()

        l = Label(text="Hello!", font_size=150)

        f.add_widget(s)

        s.add_widget(l)

        return f

class boxApp(App):

    def build(self):

        b = BoxLayout()

        t = TextInput(font_size=150)

        f = FloatLayout()

        s = Scatter()

        l = Label(text="Hello!", font_size=150)

        f.add_widget(s)

        s.add_widget(l)

        b.add_widget(f)

        b.add_widget(t)

        return b

#buttonApp().run()

#scatterApp().run()

boxApp().run()

reference:

https://www.youtube.com/watch?v=-NvpKDReKyg&list=PLdNh1e1kmiPP4YApJm8ENK2yMlwF1_edq&index=3